Results using PRC 225 or 227 heads?
01-07-2013, 07:29 AM
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Results using PRC 225 or 227 heads? I did a search and it seems like there isn't much out there. Who is using these? What's your setup, and what does it put down?
01-08-2013, 02:43 PM
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No response yet. Texas Speed, please feel free to send me a set of your PRC 227 heads so I can replace my Texas Speed/PRC 5.3s. I will then post a glowing review/dyno comparo in exchange. Deal? 
01-08-2013, 09:53 PM
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Dyno Tuned a 2002 LS1 Firehawk, PRC 227 (small bore) heads, SNL v.4 cam, SLP Longtubes, Catless mids, SLP Loudmouth, FTP 102mm Lid, FTP 104mm TB, SNL 100mm MAF, FAST 102... 453whp SAE on a Dynojet...
01-09-2013, 04:23 PM
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Same car made 426whp 395wtq with Cartek Ported 241's and a much smaller Cartek 2X Cam with a Ported LS6 intake, SLP Lid, BBK 80mm Tb.... Dynoed on the same Dynojet both times.. I did both tunes.
I should add that this car is a M6 with a 12 bolt Moser and 3.73s
I should add that this car is a M6 with a 12 bolt Moser and 3.73s
Last edited by 06X6spdGTO; 01-09-2013 at 05:17 PM.
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01-10-2013, 10:35 AM
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But in the mean time post up the TSP heads cam shop car dyno
03-05-2013, 10:04 AM
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Bump. Still would like to see more results, especially from the 225s. At the price point they are at, I'm thinking of swapping out my PRC Stage 2.5 5.3s to see how much more I can make.
