What is the head chamber size on TSP 5.3l stage 2.5 heads???
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What is the head chamber size on TSP 5.3l stage 2.5 heads???
In this thread TSP states that they are 63cc:
https://ls1tech.com/forums/dynamometer-results-comparisons/604283-all-new-prc-stage-2-5-5-3l-head-results.html
but when I called them today, they told me they are 62cc, I'm confused now!
https://ls1tech.com/forums/dynamometer-results-comparisons/604283-all-new-prc-stage-2-5-5-3l-head-results.html
but when I called them today, they told me they are 62cc, I'm confused now!
#2
i have those heads and i know the chamber is cnced bigger then stock, i was told they come in at almost 65ccs when not milled, i believe a stock 5.3 head chamber is around 62cc
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If I remember correctly, I thought Jason told me they were around 62cc's. Of course that is with the standard .015 mil that they do on most of them. I believe the 243's were around 63.5 or so. So the 5.3's were only about 1.5 cc smaller than the stg 1 243's as stocked by TSP. Of course you can get them milled to whatever you want.
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here is a PM I had saved, I asked Jason the same ?
Re: Jason, how are you?
--------------------------------------------------------------------------------
5.3l heads are 62.5cc chambers
Jason
Quote:
Originally Posted by erikthegoalie
cool man...thank you
what is the size now of my chambers?? just so I know
Erik
Re: Jason, how are you?
--------------------------------------------------------------------------------
5.3l heads are 62.5cc chambers
Jason
Quote:
Originally Posted by erikthegoalie
cool man...thank you
what is the size now of my chambers?? just so I know
Erik
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Originally Posted by PREDATOR-Z
My advice: Do not ask, just get a burette and measure. Or take them to a shop and have them measured.
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The last few sets I checked were 62.5cc That being said they can typically vary about .5cc depending on several different things. I will be more than happy to mill them for you at no extra charge when you order the cylinder heads Just tell the guys what cc you want & I'll make it happen
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Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
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Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
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Originally Posted by Jason 98 TA
The last few sets I checked were 62.5cc That being said they can typically vary about .5cc depending on several different things. I will be more than happy to mill them for you at no extra charge when you order the cylinder heads Just tell the guys what cc you want & I'll make it happen
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Originally Posted by Jason 98 TA
The last few sets I checked were 62.5cc That being said they can typically vary about .5cc depending on several different things. I will be more than happy to mill them for you at no extra charge when you order the cylinder heads Just tell the guys what cc you want & I'll make it happen
Jason-i will be calling you soon to talk about my options of cylinder heads!
thanks!
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Originally Posted by jegten
that's customer service!
Jason-i will be calling you soon to talk about my options of cylinder heads!
thanks!
Jason-i will be calling you soon to talk about my options of cylinder heads!
thanks!