will my prc 227's do well on a 427 ls3?
Thread Starter
Staging Lane
Joined: Nov 2012
Posts: 97
Likes: 0
From: san antonio
will my prc 227's do well on a 427 ls3? sup guys , i have the mods in my sig , i am saving for a na build and looking at the mast ls3 427, tsp 429 ls3 and the thompson ls3 427 , hke as well
i have the prc 227 heads on right now and wanted to use them in the build , do you guys think they will be enough to hit 550 rwhp ?
ps im also going to do another Pat G cam as well
i have the prc 227 heads on right now and wanted to use them in the build , do you guys think they will be enough to hit 550 rwhp ?
ps im also going to do another Pat G cam as well
2" kooks and a set of TFS 245's you'll make 550 or better!
Port match that FAST too! Good luck bud, looks like a Sweeet build!
Oh and for a cam, just call Comp ask for Gabe and he'll spec you out a cam for free! After you decide on the heads though.
Port match that FAST too! Good luck bud, looks like a Sweeet build!
Oh and for a cam, just call Comp ask for Gabe and he'll spec you out a cam for free! After you decide on the heads though.
Thread Starter
Staging Lane
Joined: Nov 2012
Posts: 97
Likes: 0
From: san antonio
thanks for the advice , what do you think of those tsp Ls7 small bore heads ?
i vote keep what you got. seen plenty 225cc heads on 400+in strokers. i have a few friends who have 243 heads on 427s...they do 520-530.
plus cathedral heads will get you better bottom end numbers....
and if you already got a cathedral 102 fast...keep that setup...
plus cathedral heads will get you better bottom end numbers....
and if you already got a cathedral 102 fast...keep that setup...
Thread Starter
Staging Lane
Joined: Nov 2012
Posts: 97
Likes: 0
From: san antonio
good to know , its killing me just to save up for the 427 and install much less another 2grand for heads , thanks bro
You'll still make some decent numbers with that setup, but you could always sell your topend and put the $ towards a different setup if you wanted to. Good luck with your build...
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The 227 head will do fine on that application. keep in mind they still move awesome air compared to ALOT of major companies 235+cc runners. That being said if you upgrade the 247 PRC, or the all new PRC 260cc LS3 head that moves nearly 380cfm is a great option. 
If you have someone wanting to buy your 227s then by all means upgrade, but without a doubt the 227 head will perform very well on that application.
If you have someone wanting to buy your 227s then by all means upgrade, but without a doubt the 227 head will perform very well on that application.
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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
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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DAMN. It takes a little longer than expected for the SB LS7s, then you build 250/255/260 LS3s. You guys are on a roll. I cain't wait ubtil those LS3 strokers w/ the new PRCs get built and dynode.
Thread Starter
Staging Lane
Joined: Nov 2012
Posts: 97
Likes: 0
From: san antonio
The 227 head will do fine on that application. keep in mind they still move awesome air compared to ALOT of major companies 235+cc runners. That being said if you upgrade the 247 PRC, or the all new PRC 260cc LS3 head that moves nearly 380cfm is a great option.
If you have someone wanting to buy your 227s then by all means upgrade, but without a doubt the 227 head will perform very well on that application.
If you have someone wanting to buy your 227s then by all means upgrade, but without a doubt the 227 head will perform very well on that application.
FWIW: I make 576/530 with a little 234-242 cam in my 427 with West Coast Cylinder Heads (proheads.com) Stage 3 L92 heads. The car is extremely mild and well behaved.
A "little" info on the build here:
https://ls1tech.com/forums/generatio...b-c-d-e-f.html
A "little" info on the build here:
https://ls1tech.com/forums/generatio...b-c-d-e-f.html
Thread Starter
Staging Lane
Joined: Nov 2012
Posts: 97
Likes: 0
From: san antonio
FWIW: I make 576/530 with a little 234-242 cam in my 427 with West Coast Cylinder Heads (proheads.com) Stage 3 L92 heads. The car is extremely mild and well behaved.
A "little" info on the build here:
https://ls1tech.com/forums/generatio...b-c-d-e-f.html
A "little" info on the build here:
https://ls1tech.com/forums/generatio...b-c-d-e-f.html
Whatever you end up with keep the cam reasonable. The fun with a stroker 427 is having instant grunt available if done well. My car is a blast to drive. Tip in is insane and it makes 420 ft/lb of RWT at 2k RPM. Power peaks at 6,400 so you don't have to rev the **** out of it to go. On weekends I pull stumps.
Thread Starter
Staging Lane
Joined: Nov 2012
Posts: 97
Likes: 0
From: san antonio
