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Old Apr 11, 2011 | 12:01 AM
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Will a trans out of a 3.8 v6 work in a ls1 car?
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Old Apr 11, 2011 | 12:24 AM
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There might be a way to make it work but no, the late model 4th gen V8 and V6 models had different transmissions (both automatics and manuals).
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Old Apr 11, 2011 | 08:28 AM
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I know the bell housing is different. Not sure about the rest
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Old Apr 11, 2011 | 01:09 PM
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A good Automatic Transmission section question.
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Old Apr 11, 2011 | 02:29 PM
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For an auto, yes they are the same except for the bellhousing if I remember correctly, which isn't a big deal, you can just swap your V8 one over to the 4L60E trans out of the V6 one, as for the manuals....you wouldn't want to put a 5 speed in it anyways..haha
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Old Apr 12, 2011 | 07:12 AM
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I would rather ask people I have talked to before. And thank you ande
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Old Apr 12, 2011 | 07:14 AM
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Originally Posted by DiabloFormula
For an auto, yes they are the same except for the bellhousing if I remember correctly, which isn't a big deal, you can just swap your V8 one over to the 4L60E trans out of the V6 one,
So GM doesn't build the V6 ones weaker, like they used to do for V6 vs. V8 apps? Good to know...
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Old Apr 12, 2011 | 08:15 AM
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....i dont know how you could build the 4l60e any weaker lol
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Old Apr 12, 2011 | 09:56 AM
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Its not so much the case of building weaker ones, its a case of GM not building a better trans that fit between the 4L60e and then 4L80e. The 65e was an improvement but far after the end of the production run of the 4th GEN FBODY.

These cars really needed a better drive line from the Flywheel and back but its a moot point.
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Old Apr 12, 2011 | 04:27 PM
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Originally Posted by Eskimo
So GM doesn't build the V6 ones weaker, like they used to do for V6 vs. V8 apps? Good to know...

Correct, the only internal differance is the 2nd gear servo most of the time, most newer V8 GM cars and trucks are getting the corvette servo now, the V6er's don't usually have those. Other then that everything else is the same with the 4L60E, now the 4L65E will have the deeper pan, and 5 pinion support along witht he extra clutch and steel in the 3/4 clutch pack, iirc.

On a side not, the 4L60E transmission isn't all that bad of a unit, talking for a nice street/strip car of course, they can be build, with the correct parts, to handle 700+ HP, but there all better options out there, i.e TH400, TH350, Glide, 4L80E, etc. Now with that said of course the 4L60E will take more $$ compared to the other already stronger units out there to survive that big HP. As far as I'm concerned, if you pushing that much HP, you might as well bite the bullet and abandon the 4L60E build and go with one of the others.

Kinda off subject...sorry
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