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**mongocanfly** · 06-01-2019, 12:02 AM

You wont need a trans adapter..the 700r4 will bolt up to the LS...you will need the correct flex plate though..
Simple is dbc....
Look for holley,LS3 ,or tbss manifolds...the work on square bodys...
Although the 4.8 can be made to produce big hp I think in the burb youd be happier with a 5.3......6.0s and 6.2s are $$$$
You can get a new harness for a couple hundred bucks...theres a thread here recently on it...

06-01-2019, 12:02 AM	#4
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,606	Re: LS swap advice You wont need a trans adapter..the 700r4 will bolt up to the LS...you will need the correct flex plate though.. Simple is dbc.... Look for holley,LS3 ,or tbss manifolds...the work on square bodys... Although the 4.8 can be made to produce big hp I think in the burb youd be happier with a 5.3......6.0s and 6.2s are $$$$ You can get a new harness for a couple hundred bucks...theres a thread here recently on it... __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver Last edited by mongocanfly; 06-01-2019 at 12:08 AM.