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09-14-2021, 08:53 PM
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#1 |
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Registered User
Join Date: Dec 2011
Location: Lanc Co PA
Posts: 226
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BBC Chevelle Headers
I know this subject has probably been beat to death but, has anyone used Hooker 2455 Chevelle headers on their Square body with a big block? I'm looking to change things around with exhaust and my heavy homemade double hump trans crossmember. I want to know if 1) they fit and 2) what mods my need to be done. I know that I will have to grind for ARP head bolt clearance. Anything else I need to know. Thanks in advance!
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1987 R10 Pump Gas 496/TH375 Best 1/4 pass to date 60' 1.49 1/4 10.93 MPH 120 |
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09-15-2021, 06:30 AM
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#2 |
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Registered User
 
Join Date: Mar 2008
Location: tyler texas
Posts: 1,538
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Re: BBC Chevelle Headers
I used Hooker Chevelle headers years ago. Of course in the 80's I cut the frame rail a little for one tube to fit. They tuck up pretty high. I had a factory style transmission crossmember that I cut up pretty good for my 3.5 exhaust.
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NHRA Super Street 469C It only runs 10.90 at 156 mph |
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09-15-2021, 06:35 AM
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#3 |
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Registered User
Join Date: Mar 2008
Location: tyler texas
Posts: 1,538
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Re: BBC Chevelle Headers
Refer to post 43 on page 2 of my thread. You can see how far the headers hang down. The pipes are off in that pic.
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NHRA Super Street 469C It only runs 10.90 at 156 mph |
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09-17-2021, 05:56 PM
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#4 |
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Join Date: Mar 2008
Location: tyler texas
Posts: 1,538
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Re: BBC Chevelle Headers
Did that help?
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NHRA Super Street 469C It only runs 10.90 at 156 mph |
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09-17-2021, 09:23 PM
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#5 |
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Registered User
Join Date: Dec 2011
Location: Lanc Co PA
Posts: 226
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Re: BBC Chevelle Headers
Yes. They don't hang as low as the truck headers. I am wondering if the Super Comp line fits the trucks. I wonder if it even matters. I am think about building a 540 down the road too. If I change these around, I'm going to put 3.5 exhaust on it too.
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1987 R10 Pump Gas 496/TH375 Best 1/4 pass to date 60' 1.49 1/4 10.93 MPH 120 |
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09-18-2021, 08:20 PM
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#6 |
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Registered User
Join Date: Mar 2008
Location: tyler texas
Posts: 1,538
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Re: BBC Chevelle Headers
Mine were Super Comps. 3.5 collector
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NHRA Super Street 469C It only runs 10.90 at 156 mph |
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