6th Gen ('00-'05): Ls4 Swap? - Monte Carlo Forum - Monte Carlo Enthusiast Forums


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Old 02-07-2018, 09:42 PM
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Default Ls4 Swap?

Iíve been thinking about making my 2000 Monte Carlo LS into a sleeper and putting the Chevy LS4 in it. Iíve heard that it would work best and that it should have pretty much the same motor mounts and be moderately easy (as easy as an engine swap can be that is). I was just wondering if anyone has done this or knows someone and can tell me if it worked or any pointers. Much appreciated to all!
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Old 02-08-2018, 09:07 PM
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Curious the context of those who said it would work the best. The best for what?

Have you considered a 3800 swap? I'd think that would be the easiest possible swap as your year came with them stock.

The LS4 certainly sounds better and has much better low end torque stock. But otherwise, a 3800 is much more common in junkyards and can be modded beyond the power level you'd ever want to deal with given limited fwd traction and the 4t65.


If you're really set on an ls4, have you considered just buying an LS4 car? They're getting pretty cheap nowadays.


Certainly it can be done, just making sure you've considered all the options available.
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Old 02-09-2018, 06:33 AM
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I also agree that a 3800 swap would be way easier than a ls4 swap and that you can mod a 3800 way easier and make great power with them also!
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Old 02-09-2018, 06:33 AM
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LOL This guy sure makes it sound easy......

https://montecarloforum.com/forum/en...per-ls4-26283/
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Old 02-09-2018, 07:57 PM
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Quote:
Originally Posted by wht02monte View Post
LOL This guy sure makes it sound easy......

https://montecarloforum.com/forum/en...per-ls4-26283/
I'm sure an LS4 swap isn't hard, at least it's from the same manufacturer and came in nearly the identical car (albeit one generation later).

My point was that a 3800 would be even easier yet - almost as easy as a stock replacement engine. It literally bolts in and plugs in (with the appropriate stock harness).
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Old 02-10-2018, 09:04 AM
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Yea I would also suggest just modding the 3800.. Weigh out the pros and cons and "possibilities" and youll quickly see the v8 swap might not be what you actually want to do..
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