Amc v8 in a tj - JeepForum.com
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post #1 of 16 Old 09-18-2021, 03:06 PM Thread Starter
JERSEYJOE
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Amc v8 in a tj

Anyone ever put an AMC V8 in a TJ chassis? I have a chance to grab a TJ with a 4 cylinder blown motor and I though about putting in an AMC 360 with autotrans


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post #2 of 16 Old 09-18-2021, 04:45 PM
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I thought about doing it to my yj but everyone said the amc engine was a terrible choice because of the weight.

But you need an engine. I guess as long as whoever does your safety inspections doesn't know it's an older engine, you will be good. By law, the engine has to be same year or newer as the chassis in most states
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post #3 of 16 Old 09-18-2021, 10:48 PM
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It's not by state but a Federal Emissions law that you can only swap a engine of the same year or newer into your vehicle. Sure the chances of the EPA coming after you are slim to none but it is the law. If where you live decided to statrt doing emission checks/testing you'd be SOL. And why would you want to put a carbureted engine into a rig that has fuel injection?

Take a look at this thread instead.

https://www.jeepforum.com/forum/f9/w...ssion-1365878/

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post #4 of 16 Old 09-19-2021, 03:15 PM
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Quote:
Originally Posted by wildman4x4nut View Post
It's not by state but a Federal Emissions law that you can only swap a engine of the same year or newer into your vehicle. Sure the chances of the EPA coming after you are slim to none but it is the law. If where you live decided to statrt doing emission checks/testing you'd be SOL. And why would you want to put a carbureted engine into a rig that has fuel injection?

Take a look at this thread instead.

https://www.jeepforum.com/forum/f9/w...ssion-1365878/
u can add efi to any engine now.
sadly most stock amc engines were no very powerful.

tbi sbc is way too cheap and easy!

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post #5 of 16 Old 09-19-2021, 05:50 PM
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Other than the coolness factor of AMC, there isn't really a good reason to do this swap.
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post #6 of 16 Old 09-19-2021, 05:54 PM
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u can add efi to any engine now.
sadly most stock amc engines were no very powerful.

tbi sbc is way too cheap and easy!
Very true but the cost of a EFI kit for a AMC engine would pay for a swap to a Dodge magnum V-8 swap. And it still wouldn't be emissions legal.

WILDMAN

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post #7 of 16 Old 09-19-2021, 08:08 PM
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If you are going efi on that v8, just use a Chevy TBI from a late 80s or early 90s v8. They are the easiest to put on another manufacturer engine and are as dependable as you can get

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post #8 of 16 Old 09-20-2021, 07:31 PM
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There is a reason people dont use or even care about using a AMC engine..


LS swap it and there is a million support sites that will help. That LS engine is very strong and light. It will break axles and everything in between if you like a heavy foot driving.
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post #9 of 16 Old 09-20-2021, 07:34 PM Thread Starter
JERSEYJOE
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Engine choice

Guys, I hear ya BUT I am an old school AMC guy. I have AMX's and a bunch of AMC 360, 390 and 401's so a nice 401 can easily make 450 HP and lots of torque. Have put them in CJ's. I have a chance to get a 2000 TJ with a blown 4 cyl and i thought a 401, 999 trans and a 208 case would be nice
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post #10 of 16 Old 09-20-2021, 09:27 PM
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Originally Posted by JERSEYJOE View Post
Guys, I hear ya BUT I am an old school AMC guy. I have AMX's and a bunch of AMC 360, 390 and 401's so a nice 401 can easily make 450 HP and lots of torque. Have put them in CJ's. I have a chance to get a 2000 TJ with a blown 4 cyl and i thought a 401, 999 trans and a 208 case would be nice
Go for it.... Not what I'd do but if you got the engine sure. But why a 208? And your rear axle won't handle the power of a 401 even with the Super 35 kit I don't think.

I've got a Dodge 360 stroked to a 408 in mine but I'm still working on getting it all back together.

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post #11 of 16 Old 09-21-2021, 07:12 AM
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i say go for it too, since you already have everything.

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post #12 of 16 Old 09-21-2021, 07:20 AM Thread Starter
JERSEYJOE
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AXLES

I would an AMC 20 from a CJ and a Dana 44 front like the one I just put together for my current CJ 7 project, only because I have them and am familiar with them. Coil springs are a new twist and would require some fab work
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post #13 of 16 Old 09-21-2021, 07:26 AM
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Im another guy with a 408 magnum, but I say go for it also.
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post #14 of 16 Old 09-22-2021, 07:16 PM Thread Starter
JERSEYJOE
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It fits with my other passion

amx-2.jpg
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post #15 of 16 Old 09-23-2021, 10:22 AM
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that is something you don't see often /\

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