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danheit · 10-05-2014, 06:42 AM

I run 12 degrees on a 90 5.7 block that I removed the TBI and went carb on. Still have TBI heads, etc. Engine runs great with it (although I have a different cam), I only run non-Ethanol 93 in the truck though....

10-05-2014, 06:42 AM	#3
danheit Registered User Join Date: Aug 2011 Location: Little River, SC Posts: 255	Re: 1990 TBI timing question. I run 12 degrees on a 90 5.7 block that I removed the TBI and went carb on. Still have TBI heads, etc. Engine runs great with it (although I have a different cam), I only run non-Ethanol 93 in the truck though.... __________________ 1955 Chevy 3100 Task Force Pro Street - Sold! 1957 Chevy 3100 Task Force "Rat Rod" a.k.a. SLOTH - Sold! 1971 C10 Longbed factory A/C all stock 350/350 1979 Jeep CJ7 - Build date on the day I was born! -Keeper 2004 Expedition - Family Hauler 2007 Accord - Wife's around towner; I have more but not enough lines to post them!