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DWilbur · 06-07-2016, 11:02 PM

That's what i found out. I ended up using the Dough Thorley headders and had to modify the 2 front tubes to clear the frame.

06-07-2016, 11:02 PM	#10
DWilbur Registered User Join Date: Aug 2013 Location: San Jose Ca Posts: 965	Re: 1971 K20 LS 5.3L Swap issue headers That's what i found out. I ended up using the Dough Thorley headders and had to modify the 2 front tubes to clear the frame.