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maybe Jeep project |
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DragRacingSpirit
AMC Addicted Joined: May/27/2009 Location: Mo Status: Offline Points: 903 |
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Posted: Nov/26/2021 at 12:58pm |
ok....not much experience working on jeeps. I have a nice 4 door 1994 jeep Grand Cherokee 4.0 4x4. the motor is shot and always thought it would be cool to convert to an AMC V8 just because I want to. I have an old rusted out 1974 Jeep cherokee 4x4 w/401,400 turbo and quadratrack. I would assume the engine will not be that much of an issue since people have been swapping a V8 in jeeps forever. The thing that concerns me most is the drive train. Has anybody attempted such a transplant ? Edited by DragRacingSpirit - Nov/26/2021 at 1:47pm |
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Best 1/4 mile 8.99, 1/8 mile 5.71, 60 foot 1.27, no power adders
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tufcj
Supporter of TheAMCForum Supporter of TheAMCForum Joined: Jul/10/2007 Location: Watkins, CO Status: Offline Points: 4066 |
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Anything is possible. If you're in an emissions area, it would be really difficult to pass a visual, as all of the same emissions equipment as the 1994 would need to be present, including EFI. Here in Colorado, the emissions needs to be the same year or newer than the body. If the engine is older, it needs to be retrofit with emissions that were standard on the year of the body. If the engine is newer, the emissions have to be the year of the engine. Bob tufcj
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69 AMX
74 Javelin AMX 67 Rogue If you need a tool and don't buy it... you'll eventually pay for it... and not have it. Henry Ford |
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DragRacingSpirit
AMC Addicted Joined: May/27/2009 Location: Mo Status: Offline Points: 903 |
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I'm glad I live in rural Missouri......no emissions inspections......at all.
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Best 1/4 mile 8.99, 1/8 mile 5.71, 60 foot 1.27, no power adders
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Mopar_guy
Supporter of TheAMCForum Joined: Jun/07/2009 Location: Ohio Status: Offline Points: 4805 |
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They were available with a 318 & 360 Magnum engines which are the same physical size as the AMC V8 so that's the easy part. It'll be the trans and transfer case is where you might have clearance issues. If you can't find anyone that has done the swap, then all you can do is try to stuff it in there and see what you have.
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"Hemilina" My 1973, 5.7 Hemi swapped Javelin |
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jpnjim
AMC Addicted Joined: Nov/25/2007 Location: New England Status: Offline Points: 2752 |
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ZJ (& WJ) Grand Cherokee's have drivers side drop front axles, Full Size Jeeps still had passengers side front axles in 1974, so if you use the 74's quadtrac transfer case you'd need a passengers drop front axle. Using a passengers side drop front axle in a ZJ might be a little tough since the track bar and it's bracket is designed to deal with the pumpkin being on the other side (to avoid bar to pumpkin contact as the suspension flexes), but it might be ok if you moved the bracket forward a bit, but then you might end up into the steering linkages... (lay under the ZJ and you'll see how the stock track bar bends up around the DS pumpkin) Depending on if your 74 Cherokee is a wide wheel version (with J-Truck sized wheel flares), or narrow track, the axles may be wider than the ZJ's axles too. If I recall correctly, narrow track Cherokee & Wagoneers had between 60-61" front axles, and 58-59" rear axles, the wide track (with bigger metal flares) were in the 64-65" wide range. The ZJ has ft & rear axles both around 60.5", but with wheels offset in so the track is around 58". If you wanted to use just the AMC V8 and use a newer Jeep's drivetrain; (to keep the front axle drop on the drivers side) Your AMC V8 has the same bellhousing pattern as the 4.0L and would bolt to the ZJ's transmission in theory (not sure what to do about the flexplate) but I'm not a fan of those Chrysler 4spd auto's, "Box-Cherokee" XJ's used stronger Ansin AW4 automatics, and one would bolt happily between an AMC V8 and the Grand Cherokee's stock transfer case. You could grab an XJ front axle and have a stronger hi-pinion D30 front end instead of the low pinion ZJ D30 too. The weak link would be the ZJ's D35 rear end, people have swapped everything in from XJ/MJ D44's, to TJ D44's, Ford 8.8's, Ford passenger car 9" rears, but since it's rear coil springs, just about any rear swap would require welding up some brackets.
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71 P-code 4spd Javelin/AMX
some Jeeps and some Fords |
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DragRacingSpirit
AMC Addicted Joined: May/27/2009 Location: Mo Status: Offline Points: 903 |
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Welding and fabrication is not an issue. I am starting to think, take the front and rear axles with the swap out........narrow the axles if I have to and build a new locator or "track bar"....with what I am gleaning from your post. No difference than fabricating a track bar or locator bar for a race car just on the front instead of the back. All comments and foresight is a welcome thing. Please...any comments or thoughts welcome !!!!!!! Thank You !
Edited by DragRacingSpirit - Nov/26/2021 at 11:00pm |
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Best 1/4 mile 8.99, 1/8 mile 5.71, 60 foot 1.27, no power adders
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DragRacingSpirit
AMC Addicted Joined: May/27/2009 Location: Mo Status: Offline Points: 903 |
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I really want to keep the 401/400 turbo/ quadratrack out of the 74 jeep. If I have to swap the axles with it i will have to deal with that !
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Best 1/4 mile 8.99, 1/8 mile 5.71, 60 foot 1.27, no power adders
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mixed up
AMC Addicted Joined: Jun/16/2015 Location: Monroe mich Status: Offline Points: 2156 |
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you ever think of frame swap just shorten it
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69 amx 290 auto
65 220 290 4spd 80 ford fairmont |
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DragRacingSpirit
AMC Addicted Joined: May/27/2009 Location: Mo Status: Offline Points: 903 |
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No... that never even crossed my mind. I think maybe you are on to something !
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Best 1/4 mile 8.99, 1/8 mile 5.71, 60 foot 1.27, no power adders
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mixed up
AMC Addicted Joined: Jun/16/2015 Location: Monroe mich Status: Offline Points: 2156 |
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i would not worry about narrowing axles i know those jeep people put blazer axles on them and just let the tires hang out for crawling
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69 amx 290 auto
65 220 290 4spd 80 ford fairmont |
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