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Old 03-01-2006, 09:24 PM   #1
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Question GM 4.2I6 engine swap feasibility

So, i've been throwing this idea around in my head of swaping in one of GM's I6 4.2l engines, ive heard that mechanically they are supposto be good/great engines, and 275 hp/tq sounds like a winner to me, and since i dont really rock craw the fact that that power comes at higher rpm really doesnt bother me, but does any one know if this has been done, and or what trannsmitions i could back it with (hopefully a manual) that would work (drive line length wise). I do believe that it would physically fit, they have one at school they use to show kids how to tear down and id parts and stuff, i measured it, the bare block (no acessories at all) was aprox. 40.5cm long (only had a metric tape ruller). and i rough eyeballed the 4.0 to be 42.5cm. so just thought id throw this out there and see what responces id get...

thanx in advance
-Jon

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Old 03-02-2006, 07:48 AM   #2
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I am sure that it CAN be done, the question is, how much work do you want to do for it? I am sure you will have to swap all of the electronics as well as the engine itself for this to work. I would personally go with a Chevy small block as this has been done to death, and all of the trouble shooting has been/will be done for you. If you are set on this swap, I would start with Advance Adapters to see if they have motor mounts/transmission adapters for this or not. If not, there is usually a reason and maybe you should look at other options. Sorry to sound like a naysayer, but "nay". Good luck with your research!

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Old 03-02-2006, 09:06 PM   #3
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yea, i thought about the v8, but i hate to do what every one and their brother has done, plus i really Heart Inline 6's, besides, screw small block chevy, gimme a small block ford any day. the other thing i was looking at is the fact that the I6 is an all aluminum engine, so i was also hoping on some weight savings. and the fact that i still wanna keep this emishions legal because it is my dd, ie. even with the v8 id have to swap the electronics and stuff.
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Old 03-03-2006, 10:44 AM   #4
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Quote:
Originally Posted by Sandhara
and the fact that i still wanna keep this emishions legal because it is my dd, ie. even with the v8 id have to swap the electronics and stuff.
Yeah, I thought about that too, but you wouldn't be reinventing the wheel to do it... If you decide to run with the I-6 swap, please keep us updated! Would be a good swap if it can be done (easily).
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Old 03-09-2006, 09:07 PM   #5
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I know its been done.guys have put 6.0 truck motors in them.I found them on ls1tech.com
I dont know why you would need more power than the 6 cy. provides.these things arent built for speed and stability in my opinion.
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