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12-03-2023, 06:54 PM | #1 |
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Ford 302 SS build
Happy Sunday all!
Doing a ton of homework and planing for my super stock 1970 mustang. I have a question in reguards to heads. I am a little confused because It shows that the AFR1399 heads are accepted replacements in the technical bulletins however not in the NHRA accepted replacements. Also in the rulebook it’s a little unclear as to if they are ok to use for super stock. Anyone have experience with this? I do have the matching D00E heads and block for the car and a roller 302 that I could use for GT class. Any help is appreciated. Thanks! Chris |
12-03-2023, 08:28 PM | #2 |
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Re: Ford 302 SS build
Chris , The 1399 head is legal in superstock.They must meet published combustion chamber , intake and exhaust runner volumes
along with stock size valves for your engine. |
12-03-2023, 10:07 PM | #3 | |
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Re: Ford 302 SS build
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12-04-2023, 12:11 AM | #4 |
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Re: Ford 302 SS build
Yea I have some 302 blocks laying around the garage that I could use. Problem is I’m on the fence about it because of that reason. Considering going 428 route because of it.
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12-04-2023, 09:20 AM | #5 |
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Re: Ford 302 SS build
IMO the 70 2bbl 302 is rated a bit too high. Unfortunately to my knowledge there is only 1 year with a 4bbl 302 in which an automatic was offered, 1968. The 83-85 5.0 4bbl is stick only, and all of the 70s 2bbl 302s that are in the 130-140hp range would be impossible to even make GT/QA weight. There's a few racers running the 68 4bbl 302 in super stock. It's a good combo, but with aluminum heads it's even better.
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12-04-2023, 12:51 PM | #6 | |
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Re: Ford 302 SS build
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12-04-2023, 02:01 PM | #7 |
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Re: Ford 302 SS build
390 in SS/GT is very legal. Classification depends on selection of the 390 engine you have in mind.
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12-04-2023, 02:45 PM | #8 | |
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12-04-2023, 04:33 PM | #9 | |
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12-05-2023, 01:42 AM | #10 | |
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Re: Ford 302 SS build
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