stock 5.3 650 dp help
#1
stock 5.3 650 dp help
Stock. 5.3 with 650 does runs good just when cruising at 3k and I stomp on iit.it just feels kinda doggish almost like a flat spot.not sure if I should step up my secondary squirters have 28s front n rear and 72 79 jets any help plz...I'd post my timing curve but don't no how with the mobile site
#2
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I would go at least 31's and play with the pump cams after if the problem persists. You may need to go even higher. These motors like a healthy shot, I have never had a carb ls motor that I didn't need at least 31's.
does it rev clean if you whack the throttle open from an idle?
does it rev clean if you whack the throttle open from an idle?
#3
Well popped off primary bowl and found out the power valve was blocked off but after installing a 9.5 tower valve because my idle vacuum is 18 inches seems to run better but still has a bog and a stumble also noticing a stumble pulling out of a turn.35s front and rear fixed that.but looked at horse ^^^ wrappeds post on his specs can u give me any does or fonts since I'm basically building replica of ur s10 and suggestions on can or RU happy with 220
Last edited by usmc53; 11-06-2014 at 07:28 PM.