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stage1scott · 12-22-2012, 02:43 PM

What Keith said-the ecm in that thing is programmed very poorly for power. I had a 90 suburban 454 and a different program made it a new truck! A LOT of lost torque in that factory program.

12-22-2012, 02:43 PM	#3
stage1scott Member Join Date: Dec 2003 Location: Cornville Posts: 406 Likes: 1,870 Liked 109 Times in 44 Posts	Re: Need more power towing What Keith said-the ecm in that thing is programmed very poorly for power. I had a 90 suburban 454 and a different program made it a new truck! A LOT of lost torque in that factory program. __________________ Scott McIntyre-Cornville-retirement at last! 2015 Chevy SS. LS3/ 6 spd Stick-Wolf in sheeps clothing!