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535 rwhp and 491rwtq with out of the box patriot heads

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Old 06-04-2006, 01:32 PM
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Default 535 rwhp and 491rwtq with out of the box patriot heads

Just dyno'd yesterday,
A customers 97 C5 and made 535, 491 at the wheels with out of the box patriot stage 2 heads with 2.02 1.60 valves and 59cc chambers. The shortblock is an iron 408, with eagle and JE parts. The cam is duration is in the Low 240 degree range. The car has a fast 90, and kooks 1.875 headers and 3" X pipe, and this pull was made through borla mufflers. The patriot heads definately kick but.
Dave will have the dyno graph up real soon, along with some videos.
Old 06-04-2006, 01:40 PM
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Very impressive numbers & looking forward for the Graph

peace
Old 06-04-2006, 02:14 PM
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Very nice power and torque. You should be pleased. The Patriots seem to be getting better and better.
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Old 06-04-2006, 08:17 PM
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where can I get that LT1 Dave 90mm MAF?
Old 06-04-2006, 08:19 PM
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what kinda compression is this beast runnin?
Old 06-04-2006, 09:32 PM
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527/469 with Patriots on my 402.

Very nice numbers!!! Gunnar and the gang have stepped it up. Best budget head in my opinion right now!
Old 06-05-2006, 02:06 AM
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Originally Posted by corvettetimmy
Just dyno'd yesterday,
A customers 97 C5 and made 535, 491 at the wheels with out of the box patriot stage 2 heads with 2.02 1.60 valves and 59cc chambers. The shortblock is an iron 408, with eagle and JE parts. The cam is duration is in the Low 240 degree range. The car has a fast 90, and kooks 1.875 headers and 3" X pipe, and this pull was made through borla mufflers. The patriot heads definately kick but.
Dave will have the dyno graph up real soon, along with some videos.
Do you know what size intake runner the Patriots have ??
Old 06-05-2006, 11:01 AM
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Completely Awesome results.
Old 06-05-2006, 11:22 AM
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is it the ls6 style or the 243 casting?
Old 06-05-2006, 11:27 AM
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Great numbers there.
Old 06-05-2006, 11:40 AM
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Here is the dyno pull video and the customers taking it down the street. Ill get the graph up this afternnon, but it made 500+hp from 5500 to 7400
http://www.youtube.com/watch?v=XSnVMH4ZcXI
Old 06-05-2006, 02:50 PM
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That's just awsome man, great #'s as well. congrats, the vid is cool, 2nd is now deemed useless.

Dougie
Old 06-05-2006, 03:40 PM
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very nice numbers, will have to wait and see what my patriots do on a 346 with my custom cam
Old 06-06-2006, 04:54 PM
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Dyno Results for your viewing pleasure....

Also included is a sick impala that put down 460 rwhp and 413 tq and a Blown, h/c Mecham Ta that put 531 rwhp and 481 tq. Enjoy
Attached Thumbnails 535 rwhp and 491rwtq with out of the box patriot heads-casey-s-z06.jpg   535 rwhp and 491rwtq with out of the box patriot heads-stans-impala.jpg   535 rwhp and 491rwtq with out of the box patriot heads-mecham-ta.jpg  
Old 06-06-2006, 05:30 PM
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Originally Posted by lt1dave
Here is the dyno pull video and the customers taking it down the street. Ill get the graph up this afternnon, but it made 500+hp from 5500 to 7400
http://www.youtube.com/watch?v=XSnVMH4ZcXI
Thanks for vid Dave & for Graph Justin

that vette pulled damn hard

peace
Old 06-06-2006, 05:55 PM
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Originally Posted by Justin01SS
Dyno Results for your viewing pleasure....

Also included is a sick impala that put down 460 rwhp and 413 tq and a Blown, h/c Mecham Ta that put 531 rwhp and 481 tq. Enjoy
What's with the dip at 5k? I'm also interested in what size intake runners these heads have and what flow numbers are claimed (or if they were actually flow tested). Those numbers are just sick.
Old 06-06-2006, 07:24 PM
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Hey man thats a 120 right there man, I said right there in 3rd gear man... LOL LOL

Great video man car looks really strong.
Old 06-06-2006, 10:56 PM
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Originally Posted by lt1dave
Here is the dyno pull video and the customers taking it down the street. Ill get the graph up this afternnon, but it made 500+hp from 5500 to 7400
http://www.youtube.com/watch?v=XSnVMH4ZcXI
Hahaha...you all sound really disappointed after the dyno run Congrats man!
Old 06-07-2006, 01:04 AM
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Originally Posted by Xtnct00WS6
Hahaha...you all sound really disappointed after the dyno run Congrats man!
He and his buddies were obviously extremely happy throughout the dyno and test drive LOL. im just glad I could exceed there expectations with the car
Old 06-07-2006, 09:39 AM
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Many thanks Dave and everyone else at DTP. I couldn't be happier with the outcome!!!!



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