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9.5:1 Compression

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Old Sep 26, 2001 | 09:38 PM
  #1  
383GTABoy's Avatar
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Joined: Jan 2001
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From: Temperance, MI
Car: 88 GTA + Dakota on N20
Engine: 383 4 bolt
Transmission: 700r4
9.5:1 Compression

What is a healthy compression for a 9.5:1 383? My motor makes between 180 and 190. is this pretty healthy or no.

Thanx in advance
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Old Sep 26, 2001 | 09:44 PM
  #2  
SSC's Avatar
SSC
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Joined: Jul 2001
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
Sounds good to me.
SSC

------------------
85 Camaro, 355/400 "drag car" in moth ***** 13.1@ 101mph on its last season run.
Plans: Possibly add N20 for next season.
82 Firebird, 305/350 currently moth balled.
Current plans: Rebuild 305 with flat tops instead of the dished "cups" for pistons or slightly built 327 with the 58cc heads from the LG4, Upgrade the 2:73 to 3:73 or 3:42 and replace the turbo 350 with 700r4.


"Web site under construction"

G0D Bless.
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Old Sep 26, 2001 | 11:51 PM
  #3  
RB83L69's Avatar
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
I'd agree, that sounds OK. Sounds like it has a small (stock) cam. With a bigger cam, it would probably have a little less.

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"So many Mustangs, so little time..."
ICON Motorsports
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