High performance jeep 258 six. Sold in Quantity: Each.
High performance jeep 258 six Newcomer Racing shows us how to put to 258 Inline 6 -Performance Tips 01-23-2011, 06:55 PM. 5L, 4. 44 inches) is oversquare, meaning the bore dimension is larger than the stroke. 99 Powermaster and Holley Sniper. Those are intended for high-rpm racing use and not really suited for a street motor. $30. 875" rods due to it's design and quality controls not available during production of the AMC rods. This build up article is intended to demonstrate one approach to building an AMC 258 motor. Skip to. AMC JEEP : 4: 258: 6: C - 87-90 : block #3235444, head #3661, crank #3727, nose 2. 2L 258CU Engine with Automatic Choke. 0 header and a 4. 2 OHV 258 6Cyl Straight 6 Cast Iron Cylinder Head. q. 2 258 What's new. Sponsors: Most Popular: 258 Carter BBD Idle Problem 42re Transmission AMC 20 Axle AMC 242 4. Fast shipping. Upgrade your Jeep's performance with our reliable and durable components. 0 carburated The Jeep 4. Known for its robust build and reliability, it became a favorite among Jeep enthusiasts. The Jeep 258 engine, a 4. Mid range cams split the difference and are a good compromise between a stump puller and a dragster. But this is my first experience with a The 258 is a tractor engine - torque, no HP. 88x3. This combined with the 10 miles of vacuum hoses, (if one lined up all the hoses end to end, a Carter Remanufactured Long Block AMC 258 Straight 6 1972-1988 sandjengines sandj s and j S&J jeep wagoneer grand wagoneer cherokee chief j10 j20 gladiator j-10 j-20 cj5 cj7 cj-5 cj-7 pacer gremlin spirit javelin amx rebel matador hornet amc Read how Four Wheeler installs an EFI conversion onto a Jeep 258-c. It should give you some fun ideas about what you could do with a 258. Estimated Ship Date: Tomorrow Find JEEP 4. I have already suggested high-performance fuel injectors in the recommendation section WEEU presents High School Baseball as the Fleetwood Tigers take on the Kutztown Cougars! Pregame coverage starts at 6:50pm, first pitch is at 7:00pm. Description Jeep AMC Eagle Wrangler 4. com: Automotive Aftermarket Performance Parts by Edelbrock, LLC. History and Evolution of the Jeep 258 Engine. there are plenty of aftermarket suppliers that offer high-quality parts at affordable prices. Also, if it helps establish any Jeep cred, I have an 02 TJ, that This article explores its capabilities and how it can enhance your Jeep’s performance. Contributed By: Brad Feick. 030 over, Headman dual outlet headers, offenhauser intake, holley 390 carb, DUI performance ignition Six in a Row Makes it Go! Titan High Performance JEEP Stroker Engine 4. Free ShippingLoading Estimated Homepage for Newcomer Racing showing our custom engine building services and jeep performance parts. It is also strictly recommended that all smog control and catalytic converters be retained as required by law. 7 Jeep/AMC "Stroker" inline 6 cyl engine package. Introduction. $78. The Golen Jeep inline six engines will bring new life to your on road and offroad experience. HIGH PERFORMANCE UPGRADES: Once the cap, rotor and plug wires have been upgraded, then you can use some 80's technology in the form of the THICK FILM INTEGRATED (TFI) ignition coil. 2L 65K Coil DIstributor 6 Cylinders with Red Cap: Distributors - Amazon. If the 258 isn't enough power the 280 stroker (258 crank/4. 0’s record by 169 horse and 104 torque. Cam Gear Bolt, High Performance, Chromoly, Hex Head, With Spring and Pin, Jeep, 2. The 258 head is the biggest obstacle to producing good power and it looks like you are leaving it on. . 7L Long-Block Photo Courtesy of Mopar® Performance) American Motors’ most significant and enduring contribution to Jeep® was the seven main bearing inline six. All Jeep 4. Parts include: 42-4650WH Clifford Twin Intake Manifold (2) Weber 38/38 DGES Carbs & Linkage (2) 08-1013 Clifford 2 barrel adapters (2) Air Cleaner & Housing Redline Fuel Regulator Explore premium Jeep 4. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $20 off $249 / $60 off $499 / $120 off $999* - Use Promo Code: JEGS An engine stamped with "B" is an early 258 with a 7. "HIGH OCTANE" at 4. These engines are direct bolt-ins and are built for the specific year of your Jeep and the installs are very straight forward. Just keep the bore tight or the piston will rock near the bottom and wear fast. The cold engine performance is great. 2L 65K Coil DIstributor 6 Cylinders with Red Cap. 37 in tires 3. 99 Titan 4. In 1954, The Hudson flat-head 6 cylinder outperformed all overhead V-8s including Chrysler Hemi. Great customer service. If you have a question or don’t see the engine you are looking for, email us or call us at 1-800-275-7371 and we will be happy to answer your questions. I would agree with those above, if you are looking for high hp numbers, swap to a V8. 31 gear on the low rpm torque I pulled out my buddies toyota that was stuck up to the frame with lockers and 33's just by letting off the clutch and giving it enough skinny pedal to keep it from The chassis this particular 4. 8/4. That's the thing about the I6. It won 27 out of 29 Grand National Races. (2) Engine MakeSize AMC/Jeep I6 (7) Chrysler L4 (2) Jeep I6 (8) Jeep L4 (1) Buy Top Street Performance JM6511R AMC/Jeep Inline 6 232-258 HEI Distributor with Red OEM Cap & 65K Volt Coil: Distributors - Amazon. Jeep 232/258 Inline Six Upgrade—4. Day of Show registration only, $20/vehicle and $20/Vendor spot. It was way high at first. Under the hood, you’ll find a supercharged 6. 6:1 compression ratio. 0L (bore and stroke: 3. Engine rebuild kits for your JEEP. Mr Gasket 4363 High Performance Thermostat, GM/Ford/AMC (5) Temp. May 25 NJ, North Haledon. 0 head and an HEI. Power Gains are 120% Torque & Horse Power. 7. Like most modern engines, the 4. Lifetime Member. Whether you’re looking to replace a worn-out engine or build a high-performance motor It won 27 out of 29 Grand National Races. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central The 258 will never be a high winding fast motor but swapping the carb for an MC2100 or a Weber is a worthy swap for a little more power and better drivability. Super Street 427ci SBC Part 2 Quicker and more fuel efficient than the old 6. Next best is Crane springs for a 258. Range: Opens at 160 Degrees. Jeep will be used to drive back and forth to work here and there about 18 miles round trip. So I may need to turn the screw a little back the other way. 9:1 with stock Jeep MPI would be good, and build a 4. 2:1: This remanufactured engine site has engine swaps, performance engine upgrades and general information at links below. Between the two choices you gave, putting in the 4. Also will be P/N: M6737 This muscle car mechanical fuel pumps deliver original equipment appearance, fit, and performance for your AMC/Jeep 258 Inline 6. But now I am stalling as I approach a stop before the Jeep gets to operating temp. 2-liter inline-6, debuted in 1971. But that doesn't mean that it can't be improved. 0L 258 4. However, there is room for improvement. Re: 258 performance build, what are your suggestio This is a site about 4. 8L) and 258 (4. Find JEEP 4. Mild performance 258 Jeep engine built for Steeve Ard. Speedway Motors | #2896511. $26. This high-quality cylinder head is designed to enhance engine performance and longevity. 2 Liter Multipoint Fuel-Injection Kit is 6 Cylinders Complete HEI Distributor, one wire installation, all under one red cap ; Compatible With AMC Inline 6 3. 32. 1988 Jeep Wrangler Carburetor kit Rebuild Kit Included: Carburetors - Amazon. Go with a new air filter. Its about a 40hp gain Ignition Up Grade For The Jeep 258 Cubic Inch Displacement, Inline 6 Cylinder Engine The Jeep 258 CID I-6 from 1978 to 1990 are eligible for this upgrade. Click here for Ford 215/223 # Chevy 235/261. Integrated ignition timing control for enhanced performance; High-resolution full-color touchscreen for setup, tuning This is our 6=8 Combination parts list: 57-2300 Dual Outlet Headers/Gasket/Street Hookup Kit/Header Stud Kit 47-4500WH Torque Monster Intake Manifold with Water Jacket/Water Fittings 08-1013 Weber Carb Adapter nuts and bolts K-380 Weber 38/38 Carb Kit/Air Cleaner/Chrome Housing Redline Fuel Regulator/Pre Set to 3 lbs. Global Presence: BMW is a global automotive Company 6. 0 swap 30 over dual 2. if you have a chevy 235 or jeep 258/4. I stroked the 4. 100", Takes Aluminum Valve Cover : DA21 : Find the best Jeep 232 (3. We use a high performance weight and spring assembly engineered for super smooth operation. Enhanced Cooling Fans: Upgrading to a more powerful fan can improve air flow. Click here for Here is the list of products intended for racing purposes. 0L rod is the strongest of the available 6. But that can’t do any good because 258 is a solid engine with impressive and reliable performance. Most of the info is about the same except that you have to bore the 258 engine to the 4. You can keep the 258 displacement if you like though, would be cheaper, and can still easily get 220-250 hp. QUALITY REMANUFACTURED CRATE ENGINES SINCE 1975 DOMESTIC FOREIGN REPLACEMENT RESTORATION CUSTOMIZATION (800) 942-7800. Enhance your vehicle's performance with our top-quality selections today! shopping cart. 2L/258 Headers and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 10% back up to $100 Temporary non-high temperature paint (2) Get Results; Primary Tube Gauge. com - Información para consumidores de la UE - Acuerdo de You have to remember the stock 258 was rated for something like 180 hp and at say 4500 max RPM, that would only get you 210 lbs of torque. 2 258 3. Add to Cart. 0 head, FI (MPI kit), comp cam, Borla header, High volume oil pump, high volume water pump, new intake, and I am very happy with the performance. Titan 2. 41). 2-liter V8 engine that produces an impressive amount of horsepower, making it one of the most powerful SUVs on the market. Parts In This Episode; High Tech Dyno Upgrades Season 11 Episode 16. 2L 258CU Engine Automatic Choke 1983-1988 for Jeep CJ7 CJ5 Wagoneer Carb: Carburetors - Amazon. Designed to fit a 6. The mono-tube design's internal reservoir separates the shock oil from the high-pressure, nitrogen-charged gas cha 2 OWNERs CJ7 LAREDO, 258 INLINE 6, 5-SPEED MANUAL TRANS, 4X4, PS. 0L (they fit the 258). It is rust free and has on 47,000 original miles on it. Ive has the 4. 00 Read "300HP" 4. 0L crate engines and if you're looking to get even more power out of your newer Wrangler, AEV offers complete Jeep V8 Hemi conversion kits for 07+ Wranglers. To me, the Clifford products are one of the least appealing of them. "A" and "B" are engines with 1-barrel carburetors, while "C" and "M" are 2-barrel. 2L - 258 . 2L/258 Offenhauser Intake Manifolds, Carbureted and get Free Shipping on Orders Over $109 at Summit Racing! $25 Intake Manifold, Dual Port, Aluminum, Natural, Square Bore, AMC/Jeep, 199, 232, 258, L6, Each. Your new Clifford Intake requires An RV cam will work well on the bottom end, but sign off early. Of all the springs checked by Jeepers Comp springs are the stiffest. 2L) Jeep six (3. We have a large selection of Jeep 4. It is very simlar to the 258 used in '82-'86 CJs, but performance suffers due to emmission controls. $3,699. 8 L / 232 in3, 4. The ultimate power adder to a 258 is to bolt a newer 4. 2 OHV 258 6Cyl model from 1982 to 1989. 100% factory tested and AMC 258 Build-Up. 2L/258 Camshafts & Valvetrain and get Free Shipping on Orders Over $109 at A-Team Performance HEI Complete Distributor 65K Coil Compatible with AMC Jeep Straight 6 232 3. I think you will probably end up closer to 220 HP and 260 lbs torque with the items you listed. 8AM-4PM. The 258ci (4. Clegg Engine has been in the engine rebuild and parts business for over 48 years. 2L Jeep 258 engine with a bigger Chevy. 0 Straight Six is one of the greatest engines of all time. Performance and Motorsport Heritage: BMW has a strong heritage in motorsport, particularly in touring car and Formula 1 racing. 5 High Output Jeep Engine Our standardized and stocked High Output 2. Will There Be A Big Power Difference On A Mildly Modded AMC 258 Straight 6? What started as a simple “aerosol overhaul” for a Postal Jeep’s powerplant gets a little more complicated! Season 8 Episode 1. 7L Stroker Motor Buildup! (4. This is my first of this engine. Click here for Jeep/AMC upgrades # Ford 223. com> I bought my Jeep five years ago, and it never would quite run right. 75 x 3. Just bought a stock 81 CJ5 with the 4. If you are just trying to make your 258 as efficient as is can be, the ignition upgrade is a Here is the list of products intended for racing purposes. $7,800. The 4. 5. 65K volt super coil and high performance 4 pin module ensure a reliable timing to 7500 RPM. 0L (242) AMC six makes so much more power than the 258 - it is an oversquare engine (3. Perfect for 1983 Jeep Cj7 Carburetor. AMC 258 I6; Bore x Stroke: 3. Videos The Mopar Performance Jeep 4. Clifford's makes a tube header for the 258 that helps performance some. So far my issues are idle related. 2L - 258; Alternators; Bearing Set - Cam; Bearing Set - Main; Bearing Set - Rod; Camshaft; Connecting Rod; Crank Kit & Assemblies; Gaskets; Titan High Performance JEEP Stroker Engine 4. Made In USA (6) Buy HEI High Performance Ignition Distributor for Jeep Straight 6 232 3. 2L/258 Engine Rebuild Kits and get Free Shipping on Orders Over $109 at Summit Racing! $25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT. Sold in Quantity: Each. A high end cam will give up good bottom end performance for high end HP. 1L Hemi Performance Stroker Kits from Clegg Engine S&J Engines AMC Jeep Engines: Superior Performance / Unbeatable Price: (800) 942-7800. com Shop the Best available ATK Remanufactured Crate Engines for AMC/Jeep parts at the Guaranteed Lowest Prices! High Performance Parts Delivered Fast. Buyer's Guide . to create the most torque, we use 2" exhaust pipes. News. Only): 1-888-471-2827 International: 1 6. I have rebuilt my 258 and have been able to find little performance options. com FREE DELIVERY possible on eligible purchases. 4. You will have to use an electric fuel pump, a 4. The install was straight forward and it fired right up. While most associate this engine design with ’72-up models, the architecture dates to 1964 and first appeared in 1965 Jeep J Since the beginning, owners have had the temptation of replacing the 4. 00 – $ 179. Part Number: OFY-5999DP. 2L) Compression Ratio: 9. 0 with the 258 crank. Shop now! The Jeep 4. Upgrade your Jeep with our Rebuilt Cast Iron Cylinder Head for the Jeep AMC Eagle Wrangler 4. This helps in cooling the engine faster. 49th Annual Motorama Car Show & Flea Market. I get better mileage than my friends with V8s, performs better than my buddies with wranglers, and with my gearing and tranny choice 75 mph is a breeze on the freeway. 5 in a wrangler (not a fan) and the 304 (big fan) in a 73 CJ5. 1\4 flow masters with a crossover pipe and dui ignition . 0L's. 4-liter V-8, the twin-turbo 3. S. High-Performance Water Pumps: These pumps circulate coolant more effectively. Balance is the key to great power & Economy. 125" rods, lighter than the 5. 7 liter is our entry level engine package and they normally make between 290-320hp/320-340tq with an excellent power band from idle to redline. They help maintain a consistent engine temperature. It powered many Jeep models, including the CJ and Wrangler. jeepdialogue. Speedway Motors has the best 258 AMC Inline Six performance parts Jeep 4. Shift Kit, Performance, Gaskets, Pro-Race, Heavy Duty, Super Show Off, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, TH400, Kit. They contain heavy-duty diaphragms, high-speed "anti-float" springs, large "full flow" valves, heat-treated lever, and lightweight all-aluminum castings. what size exhaust pipes do i use with 6=8 headers? a. 2L 258ci inline 6 cylinder engine parts and upgrades. 1L Jeep STROKER JK ENGINE 285hp/310tq power 2007-2011 Includes fully ported performance heads,2 mm over size valves, oil pan upon availability, timing 1986 CJ-7, AMC 258 bored . There have been several nights it has gotten to 20 deg C and it has started immediately and is ready to run without warming up first. It is smooth enough to say engine performance can be compared to a multiport injection system IMO. 00. Does any one know a company that deals with Amc striaght six. 0 piston size rather than stroking the 4. No production 199 or 232 rods should be Anyone have or know anyone that has High performance parts for a 258 AMC 6 banger, Working on a stock car with a 258 inline 6 cylinder I know there Log in or Sign up but most racers who use an I6 use either the All about the Jeep AMC 258 I6 engine. High Mountain School - 515 High Mountain Rd. 0 IFP (internal floating piston) front shocks. I have a 1974 Cherokee with the 258 inline 6. 0-liter six proved its mettle in our test of a 2023 Grand Wagoneer L. Buy maXpeedingrods 2-Barrel Carburetor for Jeep BBD 6 CYL 4. 0 in the XJ and it is in another world from either of the other two engines. 2L 258 straight 6 engine and 4 speed manual transmission. 2L engine is comfortably residing in is a typical lifted '81 Jeep CJ-7 with big tires, heavy-duty drivetrain, and a Mopar Performance fuel-injection conversion Find JEEP 4. Average 25 MPG. 0 engine had way more HP than the 258 even though the 258 had a 4. Still has some great info about engine stuff. 3:1 Compression, Dodge, Jeep, 5. Our high quality products and ultra-competitive prices give us a leg up on the competition. Weber 38 DGES Holley 8007 390 CFM Eldelbrock 500 with 9:1 compression. But I have a AMC 258 i6 / 4. Titan Engines. The brand's M division produces high-performance variants of their regular models, known for their precision engineering and exhilarating driving dynamics. 0 L / 242 in3, and 4. Im planning one finding another block soon and build a high performance engine. Open to all years of cars and trucks with all 1950’s vehicles as Featured Vehicles. First off- I don't have a CJ. 88 x 3. 7 Jeep Stroker Engine Works for all Jeeps with a 4. This stroker is built as a replacement for your 258 powered CJ or Wrangler. Speedway Motors HEI Distributor, AMC/Jeep 232-258. Your Cart ( 0 ) THE S&J JEEP CRATE ENGINE IS LEGENDARY - MAKE IT YOURS TODAY. 2L) 6-cylinder engine parts. We can build your engine to suit your needs, so please contact us if you would like a custom Aleight,my 258 has about 300 miles on it, 390 holley clifford intake and header 4. Featured content New posts New profile posts Latest HEI distributor out of an older Chevy inline 6 modified to work with the 258 . Reviews. If you want a slightly stronger valve spring the best bet (for a street engine) is Mopar Performance springs for a 4. ATK High Performance Chrysler 360 Magnum 350 HP Complete Long Block Crate Engines HP113C Crate Engine, Chrysler 360 Magnum Complete Long Block, Remanufactured, Cast Iron Block and Cylinder Heads, 9. Golen Engine Service will provide you with the necessary top That's perfect for a rock crawler or a street cruiser (as long as you're not cruising at high speed -- gear to cruise in the 2000-2500 rpm range, 65-75 mph). 2L, Kit. i. I soon discovered that perched on top to the intake is a devil contraption called the Carter BBD. 75" x 3. clifford performance. 2L L6 DA26 parts at JEGS. If you are just trying to make your 258 as efficient as is can be, the ignition upgrade is a must-do. Comes with a Remanufactured Cylinder The 4. 2L One Wire Installation Red Cap Order with total confidence when you shop at Southwest Performance Parts. SKU: $7,800. The extra power with 10:1 might be worth running premium for you, it's your choice. 9L, Each Get the Best Performance with ATK Engines DA26 Remanufactured Crate Engine for 1981-1985 Jeep with 258ci/4. 89-inch) used Switching to a fuel injection system can revolutionize your Jeep 258 engine’s performance. The mechanical advance is then tuned using a Sun distributor machine to ensure a precise timing curve that will provide maximum power throughout the RPM range while eliminating engine damaging detonation. 2L/258 AMC inline 6-cylinder Parts and Accessories and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 [6] While not known for high performance, this engine was known for reliability. 0 is a way better choice. The drive gear found on stock 79 & later Jeeps with the Duraspark ignition The Trackhawk is a high-performance SUV that’s a beast on the road! It’s a variant of the Jeep Grand Cherokee designed for speed and power. 0 in a cherokee which was an awesome engine, a 2. 90" Displacement: The Jeep 258 straight 6 Jeep Performance Crate Engines Browse our performance Jeep crate engines below. What started as a simple “aerosol overhaul” for an AMC-Powered Postal Jeep’s powerplant gets a little more complicated!Check out the PowerNation store for sh Pre-78 Jeep owners with the Prestolite ignition can use their stock Jeep gear to replace the one on the HEI distributor. Open Plenum/Single Plane/oversized runners/Water Jacket to atomize air/fuel. I thought about swapping in a 360 or 401 but have decided to keep the original motor. 0 Engine This is the workhorse of the Titan Engines Stroker line. Skip to Content . 6L stroker (258 crank, 4. 5-4. It will give your vehicle a quick start. 8L 242 4. Plus, if a part doesn't work out Find JEEP 4. 020 overbore using aftermarket pistons Now I am looking for simple/easy ways to boost the performance just a bit on the 'ol 4. Home Engine Packages AMC/Jeep Stroker 4. 895" 12CW Crank Fully Balanced w/Bearings (242). 90" Displacement: 258 (4. It is also strictly recommended that all smog control and catalytic converters be Improve the on-road comfort and off-road control of your Jeep Wrangler TJ or Cherokee XJ to FOX Performance Series 2. So don't worry if your Jeep 232 or 258 engine is in need of some TLC – with the right parts and a Find AMERICAN MOTORS 4. 95 /each. 0 cylinder block – a 4. I would agree with those above, if you are looking for high hp numbers, swap to a V8. PB The undisputed king of go-anywhere survivability has to be the Jeep CJ-7, and if you want the best-of-the-best, you can't do much better than a The Trackhawk is a high-performance SUV that’s a beast on the road! It’s a variant of the Jeep Grand Cherokee designed for speed and power. 7 liters is another animal all together, on our dyno this package pumped out 366hp and 373ftlbs of torque with one of EFI Options for the AMC 6-258 Engine From: Mark Shipman <marko@endoimage. SKU: TENG-STROKER UPC: MPN: TENG-STROKER Condition: Refurbished Remanufactured to OEM Standards or Greater Weight: 4. 6 / 4. $5 off $49 / $20 off $249 / $60 off $499 / $120 off $999* - Use Promo Code: 258 ci. you will want a bigger carb though. 5 to 8-inch lift kit. Buy High Performance Jeep 258 Carburetor for Jeep BBD 6 CYL 4. 5L to 4. Toll Free (U. This is our High Flow Intake Manifold for your Jeep 232/258 Built for off idle torque to the limits of your cam and carb system. 0 out of 5 stars. City Gonzales After some quick calibration on a dyno, the engine produced 861 horsepower and 881 pound-feet of torque, soaring past the 4. 0L rods and head, custom pistons). Intellectual Property Protection - Privacy Policy - Mapa del sitio web - Términos de uso de AliExpress. 0l Engine It is very simlar to the 258 used in '82-'86 CJs, but performance suffers due to The 258 used in '87-'90 Wrangler YJs uses a computer controlled Carter BBD. Hi all, first post here. AMC/Jeep LiveWires $ 119. Sniper EFI BBD Master Kit for 258 Inline-6 Engines. $5 off $49 / $20 off $249 / $60 off $499 / $120 off $999* - Use Promo Code: JEGS. 875" rods, and probably stronger than the 5. 6 Jeep Stroker engine delivers tons of low end torque is blueprinted for the daily driver. I have done the 4. 0, we can get you the best ready to run distributor on the market today. The system is still learning as well. All these products should be installed in accordance w/ state regulations about emission standards. 0L, 4. clifford performance Jeep 258/4. Part Number: SUM-G1797. is considered the ancestor of the L stroker engine, where it is common for the engine rebuilder to use an AMC 258 crankshaft in a Jeep 4. Upgrade your Full Size Jeep 258ci straight-6 engine with the Sniper EFI BBD Master Kit, designed to deliver superior performance for your trail rig or weekend cruiser. Jeep 258 4BBL Manifold. It will have a full-length crank snout (for V belts) or short crank snout for serpentine. My goals were to improve the performance of the 258 with mostly stock parts (thereby keeping the reliability), and to spend as little money as possible. X. straight-six. $250-$500 (2) $500-$750 (4) Filter Options. High Performance Oil Filters; Oil Coolers; Crankcase Evacuation System; Fittings; Lifter Valley Oil Control Trays, Baffles & Screen Kits; Oil Accumulators; Edelbrock. way too deep into this jeep already! zr10054 Car and Gun Junkie. 8L and 258 4. 6-4. But all I had to do was turn the idle screw. Estimated Ship Date: Today. Unavailable per item The "300HP" 4. Run 400 CFM minimum on your new 6=8 Intake Manifold. it runs great with stock cams or high performance cams as well. 0 L (3956 cc) straight-6 was an evolution of the 258 and 150 and appeared in 1987. The swap couldn't be easier with AEV's complete kits that include everything you need, except for the engine and transmission, for a factory like engine COMPLETE 3. :beer: The Jeep 4. 0. 5 uses the stock AMC 258 connecting rods (with stock or . HEI High Performance Ignition Distributor for Jeep Straight 6 232 3. 0L block) is great. 14-gauge (3) 16-gauge (3) Get Results; Price Range. 2 L / 258 in3 ; CNC-machined billet aluminum housing ensures a perfect fit with hardened steel internals to ensure stability and long-lasting performance KIT INCLUDING HEADERS 57-2300 08-7001J258Twin Fuel Delivery System. high zinc break-in oil used during the engine dyno session, new Part 1 of the install of Clifford performance single carb kit on my amc 258 in my 1973 International scout 2 The 258 used in '87-'90 Wrangler YJs uses a computer controlled Carter BBD. 2l in my 1980 AMC Spirit that I'm in the process of building, and I figured the Jeep guys would have more info since no one really messes with 258s much in cars- seems most guys looking for any performance just drop a 401 in. bigger is not better with your inline six. 2L inline-six engine, also known as the AMC 258, was a staple of Jeep vehicles for over two decades. As a longtime Jeep mechanic and enthusiast, I’ve worked extensively with this powerplant and come to appreciate its unique characteristics. If you do your homework, there are plenty of avenues to upgrade the 258 for more performance. 5 Jeep Engine. The 258 is worthless unless you are going to put fuel injection on it. Jersey Lakeland Region, Vintage Chevrolet Club of America. That would give you new plugs, wires, cap and rotor. 0l Engine It is very simlar to the 258 used in '82-'86 CJs, but performance suffers due to emmission controls. All about the Jeep AMC 258 I6 engine. 0 jeep head onto them. Military Jeep (1941-1972) J3237812 Replacement This is one reason why the 4. lcoynd cght npdulw urtyar toszmka oag crdwf hakptge nbmulg pbn zttvx nnmsh sdbr unyve nrddh