th350 to a gen3 ls
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Teching In
Joined: Dec 2015
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th350 to a gen3 ls question, im swapping out a small block chev for a 1999 4.8 and will be running a th350.. now from what I understand is that I need a flex plate spacer which I have found through summit......... does spacing the flexplate back affect the alignment of the starter on the flexplate as far as how well the teeth mesh up? maybe im missing something but seems like it would be an issue?
thanks much guys
thanks much guys
I dont think you will need anything if the engine came with the flexplate. I put a th350 behind my ls1 and had to go to junkyard to buy a flexplate off of a truck motor. The correct flexplate has the spacing in it. It will have an offset. Earlier style flexplates were flat. That wont work
it was the ls1 in my 99z28. I went with a ptc converter that was made for an ls1 and th350. I got the flexplate off of a 5.3 truck motor. An old sbc flexplate will bolt up but it will run against the starter housing. The ls flexplates are offset
Thread Starter
Teching In
Joined: Dec 2015
Posts: 16
Likes: 0
I'm doing an 99 4.8 out of a truck to a turbo 350...... I'm wondering if my LS is different. From what I can tell there calling the 4.8 is a gen III. Not sure if that's correct, I'm new to the LS scene.
Summit is selling a spacer for gen III LS to a th350/400 700r4.
Summit is selling a spacer for gen III LS to a th350/400 700r4.
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Verdad Gallardo ls1 is an all aluminum 5.7, ls2 all aluminum 6.0, ls3 all aluminum 6.2
the 4.8 and 5.3 are the hottest thing going right now in terms of conversions. They are cheap, make hella power, tons of aftermarket support, reliable, efficient, etc
most people just refer to all gm v8's from 97 and up as ls motors. Now you have lt1's which in my mind are still ls motors because the most previous lt1's from 92-97 were still based on the sbc
the 4.8 and 5.3 are the hottest thing going right now in terms of conversions. They are cheap, make hella power, tons of aftermarket support, reliable, efficient, etc
most people just refer to all gm v8's from 97 and up as ls motors. Now you have lt1's which in my mind are still ls motors because the most previous lt1's from 92-97 were still based on the sbc