Quadrajet & 75k5 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

TCLARK · 06-21-2012, 02:04 PM

I have a 75K5 with a 40 over, flat top pistons, 202 heads, roller tip rockers, aluminum intake, headers w/balance pipes 350 & 350TH. It runs good, idles good & starts good after the first start off the primaries. I can't seem to get the secondaries to kick in, I think the linkage is out of whack. Now when you give it gas under load ( pulling a 24' pontoon ) it starts missing, let off of it and it runs good. Is this the carb or coil bad?

06-21-2012, 02:04 PM	#1
TCLARK Registered User Join Date: Jun 2009 Location: COOKEVILLE,TN Posts: 153	Quadrajet & 75k5 I have a 75K5 with a 40 over, flat top pistons, 202 heads, roller tip rockers, aluminum intake, headers w/balance pipes 350 & 350TH. It runs good, idles good & starts good after the first start off the primaries. I can't seem to get the secondaries to kick in, I think the linkage is out of whack. Now when you give it gas under load ( pulling a 24' pontoon ) it starts missing, let off of it and it runs good. Is this the carb or coil bad?



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