Finished the 411 swap

[L31MaxExpress]

So which one do you recommend? The newly acquired '98 I have needs to be done. Thanks

For me it was a no brainer. $2.09 a gallon for E85 and $3.49 a gallon for premium. Running on E85 I take a roughly 30% fuel economy hit but makes more power.

Really? Do you know the OS off hand? If they support it it's likely EFILive does. As it turns out, they ripped off a bunch of EFILive COS stuff.

Same operating system I just segment swapped a 4L80E into behind a LQ9 from a 2006 Escalade in a C30 utility truck.

Also did an 05 Astro V8 with the Mexico L31 file a few years ago. 2005 4.3 Astro van had the same operating system.

12592618

I have the untouched 5.7L/5spd file in both a .bin and .hpt file.

 

[BPR Speed]

L31MaxExpress can you send me that .bin and .hpt file via email? I'm looking to PCM swap my supercharged L31 and need a quick file to upload. My truck is the L31 and a 5 speed. Inbox me for my email address please.