Best closed chamber street head - Chevelle Tech
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post #1 of 18 (permalink) Old Apr 6th, 20, 9:36 AM Thread Starter
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Best closed chamber street head

Is there anything in the aftermarket other than Edelbrock offering a closed chamber aluminum head for stock stroke 454?
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post #2 of 18 (permalink) Old Apr 6th, 20, 11:01 AM
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Re: Best closed chamber street head

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Originally Posted by Tonys451 View Post
Is there anything in the aftermarket other than Edelbrock offering a closed chamber aluminum head for stock stroke 454?
I don't know of anyone else- but, I do know that if you order Brodix from a good dealer they can get the chambers milled down a good bit. Don't remember how much or how small most of them will go, but it is significant.
I'm sure AFR and others can do it also- I'd call Wolfplace, Vortecpro, or someone very familiar with BBCs and check to see what they can get. I'd bet Straub could even fix you up with some Promaxx with a smaller chamber.

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post #3 of 18 (permalink) Old Apr 6th, 20, 11:06 AM Thread Starter
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Quote:
Originally Posted by Iforgot View Post
Quote:
Originally Posted by Tonys451 View Post
Is there anything in the aftermarket other than Edelbrock offering a closed chamber aluminum head for stock stroke 454?
I don't know of anyone else- but, I do know that if you order Brodix from a good dealer they can get the chambers milled down a good bit. Don't remember how much or how small most of them will go, but it is significant.
I'm sure AFR and others can do it also- I'd call Wolfplace, Vortecpro, or someone very familiar with BBCs and check to see what they can get. I'd bet Straub could even fix you up with some Promaxx with a smaller chamber.
Thanks for the info
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post #4 of 18 (permalink) Old Apr 6th, 20, 11:50 AM
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Re: Best closed chamber street head

Like said brodix can mill the chambers to 100 cc if I remember correctly. If it's a mild build the l29 chevy heads are a good choice
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post #5 of 18 (permalink) Old Apr 6th, 20, 12:05 PM
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Re: Best closed chamber street head

Call Mike Lewis he can get You a set of brodix with 100cc Im sure or afr in the very low 100s
Personally I would go with brodix.
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post #6 of 18 (permalink) Old Apr 6th, 20, 12:22 PM
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Re: Best closed chamber street head

I have a pair of edelbrock rovals on my 500 incher. They came in @ 108cc after work was done. They push my 10.7 to 1 turd down the 1/8th fairly well.
No head (or intake) out of the box would be optimal.

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post #7 of 18 (permalink) Old Apr 6th, 20, 12:58 PM
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Re: Best closed chamber street head

The ZZ502 heads with 110 cc chambers can be had cheap used if you are patient.I bought a ready to run pair for $900 for my next project.


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post #8 of 18 (permalink) Old Apr 6th, 20, 6:36 PM
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Re: Best closed chamber street head

BTW, the Edelbrocks aren't really a true "closed" chamber head. They like their own piston dome.
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post #9 of 18 (permalink) Old Apr 6th, 20, 6:41 PM
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Re: Best closed chamber street head

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The ZZ502 heads with 110 cc chambers can be had cheap used if you are patient.I bought a ready to run pair for $900 for my next project.
Do you think they would be an improvement over 840s with 2.25 intakes/1.88 exh?

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post #10 of 18 (permalink) Old Apr 7th, 20, 8:02 AM
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Re: Best closed chamber street head

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Originally Posted by rp930 View Post
Do you think they would be an improvement over 840s with 2.25 intakes/1.88 exh?
all depends on the flow numbers.


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post #11 of 18 (permalink) Old Apr 7th, 20, 8:11 AM
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Re: Best closed chamber street head

For a street 454 the Eddy head works really well - very underrated head especially for the price.
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post #12 of 18 (permalink) Old Apr 7th, 20, 8:33 AM Thread Starter
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Thanks everyone. I already have a set of vortec heads with mild bowl work. They are brand new and got them ready to bolt on a .060 over 1970 block w speed pro flat tops. Probably more than enough for my intent, but it’s looking like this project is going to be on hold for a while.. so my mind is wandering . Good to know what options are out there. Still learning
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post #13 of 18 (permalink) Old Apr 7th, 20, 10:46 AM
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Re: Best closed chamber street head

have you cc'd them?

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post #14 of 18 (permalink) Old Apr 7th, 20, 11:05 AM
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Re: Best closed chamber street head

yes, the Eddy/GMPP oval port small chamber heads are great. As mentioned, they can be found used for under $1k.
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post #15 of 18 (permalink) Old Apr 7th, 20, 11:11 AM
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Re: Best closed chamber street head

I'd check local speed (if you have any) shops that do machine work or other auto machine shops, sometimes people take them in for repairs and don't come back or upgrade and trade them in, place in Tampa had some used BBC alum heads, Speed World


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