Truck won't start after jetting carb - The 1947 - Present Chevrolet & GMC Truck Message Board Network

AusTx68 · 08-31-2012, 10:10 PM

Carb is a Holley 670 Street Avenger. It's been on the truck a few weeks. Bought it new in the box. Over three weeks time I put maybe 50 miles on it. Checked the plugs and they read lean. Real lean. I drained and removed the primary bowl. Found it had two 63 jets. I added two 69's. Pulled the secondaries and found 72's. I left those in place. Put it all back together and now it won't start. Bowl levels are normal as viewed in the sight glass. Any guesses?
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08-31-2012, 10:10 PM	#1
AusTx68 Registered User Join Date: Nov 2008 Location: Italy Posts: 1,278	Truck won't start after jetting carb Carb is a Holley 670 Street Avenger. It's been on the truck a few weeks. Bought it new in the box. Over three weeks time I put maybe 50 miles on it. Checked the plugs and they read lean. Real lean. I drained and removed the primary bowl. Found it had two 63 jets. I added two 69's. Pulled the secondaries and found 72's. I left those in place. Put it all back together and now it won't start. Bowl levels are normal as viewed in the sight glass. Any guesses? Posted via Mobile Device __________________ '68 C-10 SWB 383 Stroker (Sold 3/2/2013) '87 R2500 LWB 454 TBI converted to Carb Last edited by AusTx68; 08-31-2012 at 10:48 PM.

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