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SoCalSlaughter · 10-04-2014, 05:32 AM

I have a 1990 Suburban 5.7 TBI, just wondering what timing you guys are running. The stock 0 degree's or advanced? I've been told by a few Chevy guys that the engine loves advance, but I'm not sure with the TBI engines. Advancing to 6 degree's harmful/helpful? Thanks!!!

10-04-2014, 05:32 AM	#1
SoCalSlaughter Registered User Join Date: Aug 2010 Location: Ventura Posts: 151	1990 TBI timing question. I have a 1990 Suburban 5.7 TBI, just wondering what timing you guys are running. The stock 0 degree's or advanced? I've been told by a few Chevy guys that the engine loves advance, but I'm not sure with the TBI engines. Advancing to 6 degree's harmful/helpful? Thanks!!!