Hello new to this forum name is Steve from California. I have a 1972 Cutlass S I’ve had for a while now, I’m looking to do and Ls swap. I currently have a 6.0 Lq9 motor with the a Texas speed bfd cam, springs/ rods and a 4l80 trans behind it. I also have the Holley terminator x max to go with that. I’m hoping to gather some info on here to help with this swap.

 

I got nothing to help ya, but I'm wondering what rear gear ratio are you gonna use?

 

I’m running 390 gears

 

Oh yeah. I'm likin it.

 

Are the 3.90 gears close to what came in the Chevy truck that had the LQ9?

 

Currently have a 5.3/T10 4 speed in my 72 daily driver. Also have done an LQ9 in a 68 corvette. Build thread here:
https://classicoldsmobile.com/forums...ii-swap-29116/
Also a lot of info at the LS1tech conversions forum. Lots of A body swaps there.

 

@Olds64 the motor is off a 2004 Escalade, I want to say gear ratio is between 3.06 and 3.42

 

@garys 68&72 nice set up, I’ll definitely check that out thanks!

 

You'll probably have to update the LQ9 ECM with axle ratio info. Are you going to use HP Tuners?

 

I’m using the Holley terminator x max

 

Let us know how she runs when you get it setup!