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Old 02-08-2026, 01:01 PM   #1
chappys4life
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Join Date: Oct 2008
Location: Austin, TX
Posts: 160
1 3/4 header for lowered truck

Working in a 383 swap in my 70 gmc. It had a set of think flowtek headers on it and looking for a new set as this 383 as I need something that can flow better. Right now it has a 2.5 drop spindle but I plan on bringing it a title lower as I plan on doing qa1 but nothing crazy low.

I am trying to find a 1 3/4 primary that will work. My knee jerk was a set of hooker super competition but the truck model I’m afraid is going to hang too far below the frame. I was looking at the ultimate header for a Camaro but is only 1 5/8 and I need 1 3/4.

Looking for any suggestions. I do have an automatic (right now it’s a th350 but have a 4l80 I plan on swapping to eventually) and a smaller pmrg smaller starter.

Last edited by chappys4life; 02-09-2026 at 03:19 PM.
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