Which heads for 228r cam? LS6 or 5.3L?
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Which heads for 228r cam? LS6 or 5.3L?
I was pretty set on the torquer v2 cam but i changed my mind to the 228r cause ive seen some good numbers from it. But im not sure which heads would be better. 2.5 LS6 Heads or 2.5 5.3l heads? I have a 01 Z28 A4 with 3.73 gears and a catback, but when the heads and cam go in it will have a YankSS3600 stall and a F.A.S.T set-up and longtubes. It will be a almost daily driver, most likely every other day. Also it will later have a 100 shot on it. Which heads would be best?
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I am going with the Stage 2.5 5.3 heads on mine along with a Fast 92 setup. I talked to John at Texas Speed and he recommended the 5.3 heads. My car made 400rwhp cam only. I am hoping for 430-440rwhp after the heads, Fast 92, and u/d pulley. I hope to have everything ordered by the end of the week. I will post results once I get everything installed and retuned.
#4
As long as you're sure you won't want boost at a later point, go with the 5.3's. You'll get the extra compression.
I chose the LS6 heads to keep the stock compression in case I decide to boost later. Swapping in a blower cam will be cheaper than buying new heads.
I chose the LS6 heads to keep the stock compression in case I decide to boost later. Swapping in a blower cam will be cheaper than buying new heads.
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#12
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I have a 228/232 cam, stock H/I and i was thinking of going with stage 2 243 (ls6) heads.. I have been hearing some good things about them..
how many CCs are the ls6 heads and 5.3 heads? I need to bump up my DCR to get more TQ.
my car cam only (same cam above) put down 405/375.. SAE was 415/378
how many CCs are the ls6 heads and 5.3 heads? I need to bump up my DCR to get more TQ.
my car cam only (same cam above) put down 405/375.. SAE was 415/378
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there a guy on our local forum,well he is a member here to ...anyway in an 01 a4 car he made 430 rwhp not sure on his tq though....he has the 228r and 2.5 5.3s....this was done through a ls6 manifold and ported stock tb....that cam makes amazing power...
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After a few money problems a decided to go cam only with stock ported heads. Im going with the vrx5 cam and ported 241's
ive alrready got the cam, vavle springs and timing chain and am ording parts as i can
ive alrready got the cam, vavle springs and timing chain and am ording parts as i can
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The 228R camshaft works really well with the PRC Stage 2.5 5.3l heads. We have a set amount of milling we can do for that camshaft that has worked really well for us. I have a complete engine dyno testing results sheet with the PRC Stage 2.5 5.3l heads & 228R Camshaft. Give us a call Monday & we can fax you dyno results from that exact combo with unmilled heads.
__________________
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
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
#17
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The 228R camshaft works really well with the PRC Stage 2.5 5.3l heads. We have a set amount of milling we can do for that camshaft that has worked really well for us. I have a complete engine dyno testing results sheet with the PRC Stage 2.5 5.3l heads & 228R Camshaft. Give us a call Monday & we can fax you dyno results from that exact combo with unmilled heads.
Or would the 5.3 heads be good for my application?