351 Mustang

Compression Question

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Old Feb 25, 2007 | 10:26 PM
  #1  
95RedGT302's Avatar
95RedGT302
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Default Compression Question

Alright Im trying to get around 600rwhp out of the windsor project that Im going to be starting very soon, I plan to start off with all forged internals for the 408ci stroker shortblock, and I will be using a production block. Im planning on getting a TFS Box-R upper & lower intake, along with the JEGS/Kaase 247cc intake 2.10"/1.60" valves with 60cc chambers. There are two things that I am stuck on, the cam & what compression to run. Do you guys think i can hit 600rwhp @ 10.1:1 or will i have to go higher then that. I plan to run it N/A for the rest of its life. I just dont wanna spend money on race gas if I dont have to. Thanks
Old Feb 26, 2007 | 12:23 AM
  #2  
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ih8chevy
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Joined: Oct 2006
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From: west chester
Default RE: Compression Question

10.1 to 1 is a good maybe a litle higher around 10.5 but thats all u need. u can always go higher, if u would like. for the cam i would def recommend a custom grind, or if u must go another way than a comp cam or crane. they are the best at that.
Old Feb 26, 2007 | 01:11 PM
  #3  
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r.barn
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Default RE: Compression Question

good luck getting 600rwhp out of a 408W

they usually make 425rwhp in a streetable version running about 10:1 compression
you will need some boost and an aftermarket DART block wouldnt be a bad idea either.

turbo 408W with about 8-9psi would get you there.
or a turbo 351W with about 12-14psi will get you there too.

you can always try and spin it to 8,000 rpm, but then its
not going to be very streetable at all.

Old Feb 26, 2007 | 03:23 PM
  #4  
ih8chevy's Avatar
ih8chevy
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Joined: Oct 2006
Posts: 3,305
From: west chester
Default RE: Compression Question

yea what he said, jsut go cleveland, a 408 clevelandis definately more likelytohit 600 rwhp than a windsor. plus u can do it with the stock cleve 4v heads.
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