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solid roller build. what heads??

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Old Mar 19, 2008 | 03:24 PM
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Default solid roller build. what heads??

as the title says...search has been a bit disappointing in this field...

looking at running a 408 solid roller, basically a track car.

jesel rockers, isky lifters, etc.

HKE short block, callies crank and rods, wiseco pistons, etc.

looking to run pump gas with this setup, and spray a direct port progressive on a stand alone fuel system.

the only thing that truly has me stumped is the cylinder heads.

I know for a fact that this isn't something out of the norm. but according to the AFR website the biggest spring you can run is a 1.470 which is good to around .675 lift in what I found.

what about mid 700 lift springs? the 1.550 diameter springs

what about ETP heads?

more specifically what about the ETP C5R heads?

Chad
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Old Mar 19, 2008 | 04:07 PM
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get a set of etp 265s,they can set them up for whatever springs you want and will make a ton of power
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Old Mar 19, 2008 | 04:11 PM
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Originally Posted by Shawn @ VA Speed
get a set of etp 265s,they can set them up for whatever springs you want and will make a ton of power
that big of a head on a 408?? Im not doubting you, just not to familiar with the solid roller stuff.

thanks for the reply.

Chad
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Old Mar 19, 2008 | 09:33 PM
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so no one else is running a solid roller 408?

Chad
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Old Mar 19, 2008 | 10:48 PM
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ETPs here.
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Old Mar 19, 2008 | 11:07 PM
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Originally Posted by JBM
ETPs here.
which ones? what springs? specs on cam? or at least lift?

little more info on your setup please?

how much spray? pump gas? whats the shortblock look like?

Chad
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Old Mar 19, 2008 | 11:10 PM
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I would also like some info on this subject, particularly the ETP C5R heads. I can't decide if they're worth the money or not.
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Old Mar 20, 2008 | 10:41 AM
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If you have already bought your pistons you may be stuck with stock heads as the combustion chamber shape on aftermarket heads is different than stock and most domed pistons will hit.
I'm not sure about all aftermarket heads but I know for sure AFRs and TFSs are different. Might be something to check out.
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Old Mar 20, 2008 | 01:29 PM
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Originally Posted by KCFormula
If you have already bought your pistons you may be stuck with stock heads as the combustion chamber shape on aftermarket heads is different than stock and most domed pistons will hit.
I'm not sure about all aftermarket heads but I know for sure AFRs and TFSs are different. Might be something to check out.
thanks but I'm not asking about pistons....reason Im asking about the cylinder heads is to put together the rest of the short block....

Chad
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Old Mar 20, 2008 | 02:04 PM
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We may have a couple options for springs if you're interested. What's your max install height?
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Old Mar 20, 2008 | 08:58 PM
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Originally Posted by Yeahdoug
We may have a couple options for springs if you're interested. What's your max install height?
not sure yet...keep you guys in mind for sure though.

Chad
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Old Mar 23, 2008 | 11:25 PM
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Bump for more replies lol.
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Old Mar 23, 2008 | 11:35 PM
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you cant go wrong with the c5r heads. most likely the best head ever made for our cars. my buddie is running those heads on his car and has been 9.60's on motor w/ pump gas and drag radials.
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Old Mar 23, 2008 | 11:40 PM
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4 out of the top 5 fastest N/A cars in the country are running c5r heads.
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Old Mar 23, 2008 | 11:41 PM
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https://ls1tech.com/forums/drag-racing-results/749327-all-time-fastest-na-ls-any-c-i.html

here is the link.
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Old Mar 24, 2008 | 12:15 AM
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Originally Posted by silverbeast
you cant go wrong with the c5r heads. most likely the best head ever made for our cars. my buddie is running those heads on his car and has been 9.60's on motor w/ pump gas and drag radials.
Thanks. Any other manufacturers making them other than ETP? I can't find much info on them. I've got it narrowed down to the C5R's or AFR 235's when they come out.
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Old Mar 24, 2008 | 04:26 AM
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Why not just ask HKE which heads? Eirk has a good idea what works and what doesnt. There are some used All Pros in the FS section by mightymouse...
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Old Mar 24, 2008 | 01:17 PM
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Im using a stock casting with PSI springs. Altho they wont take the kind of lift your talking about, they fit in the stock spring pocket, and have 220 on the seat and 550 open.
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