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b454rat · 10-29-2021, 07:28 PM

Also, I'd keep the 402 if you wanna tow with it. Either way your gonna have wiring and computer BS, but an L31 isn't gonna pull like a 402. Modern fuel systems are above and beyond what even the 0411 can do, plus they can run the 4L80 too.

10-29-2021, 07:28 PM	#10
b454rat Senior Member Join Date: May 2004 Location: Binghamton, NY Posts: 3,453	Re: Drivetrain swap.1972 to 2001 Also, I'd keep the 402 if you wanna tow with it. Either way your gonna have wiring and computer BS, but an L31 isn't gonna pull like a 402. Modern fuel systems are above and beyond what even the 0411 can do, plus they can run the 4L80 too.