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Standard exhaust port BB heads #3060395
07/18/22 09:50 PM
07/18/22 09:50 PM
Joined: Jun 2016
Posts: 900
Washington
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hemienvy Offline OP
super stock
hemienvy  Offline OP
super stock
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Joined: Jun 2016
Posts: 900
Washington
Thinking of changing 452 heads to something "better" on a 451. Better flow, same intake/exh port locations.
I don't want to change headers.
TFS 240, Edel RPM, maybe even B1BS ?
I'm not that knowledgible on the exhaust port locations.

Re: Standard exhaust port BB heads [Re: hemienvy] #3060400
07/18/22 10:04 PM
07/18/22 10:04 PM
Joined: Aug 2009
Posts: 2,036
Mooresburg, Tn
'
'72CudaRacer Offline
top fuel
'72CudaRacer  Offline
top fuel
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Joined: Aug 2009
Posts: 2,036
Mooresburg, Tn
Also Indy EZ cylinder heads.

Re: Standard exhaust port BB heads [Re: hemienvy] #3060490
07/19/22 09:36 AM
07/19/22 09:36 AM
Joined: Dec 2021
Posts: 1,072
Loudoun County, VA
Brad_Haak Offline
super stock
Brad_Haak  Offline
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Joined: Dec 2021
Posts: 1,072
Loudoun County, VA
NOT B1-BS; definitely raised exhaust port, although standard-height intake


2021 Challenger 6.4L Scat Pack 1320 (2022)
100% stock: 1.680, 11.894 at 113.75 (DA 175 ft)
wheels, tires, air filter: 1.714, 11.833 at 115.80 (DA 310 ft)

1973 Challenger 452 ci street/strip (2008)
pump gas, DOT radials: 1.454, 10.523 at 126.44 (DA 514 ft)
Re: Standard exhaust port BB heads [Re: hemienvy] #3060500
07/19/22 10:29 AM
07/19/22 10:29 AM
Joined: Jan 2003
Posts: 30,947
Oregon
A
AndyF Offline
I Win
AndyF  Offline
I Win
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Joined: Jan 2003
Posts: 30,947
Oregon
Trick Flow 240 and Trick Flow 270 exhaust ports are very close to stock location but spark plugs are angled. Same with Indy EZ heads. 440 Source heads are same as stock with straight plugs. I think Edelbrock RPM is stock location and angled plugs but they might have a straight plug option also.

Re: Standard exhaust port BB heads [Re: AndyF] #3060501
07/19/22 10:30 AM
07/19/22 10:30 AM
Joined: Jan 2003
Posts: 14,479
So. Burlington, Vt.
F
fast68plymouth Offline
I Live Here
fast68plymouth  Offline
I Live Here
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Joined: Jan 2003
Posts: 14,479
So. Burlington, Vt.
The current “default” std port head is the TF 240.

Best bang for the $$$.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
Re: Standard exhaust port BB heads [Re: fast68plymouth] #3060620
07/19/22 04:34 PM
07/19/22 04:34 PM
Joined: Jun 2016
Posts: 900
Washington
H
hemienvy Offline OP
super stock
hemienvy  Offline OP
super stock
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Joined: Jun 2016
Posts: 900
Washington
Thank you Gents very much.







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