Re: What is your Compression ??
[Re: joshking440]
#627094
02/28/10 06:05 PM
02/28/10 06:05 PM
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Joined: Jan 2003
Posts: 3,336 Summit, NJ
whiplash
master
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master
Joined: Jan 2003
Posts: 3,336
Summit, NJ
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i"m running 8.98:1 with premium gas, and 10-12 lbs of intercoled boost
- 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
- 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
- NEW BEST ET - 12.40@110mph...
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Re: What is your Compression ??
[Re: valiantboy]
#627097
03/06/10 05:03 PM
03/06/10 05:03 PM
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Joined: Dec 2007
Posts: 12,588 Great Neck,LI,new york
hemi-itis
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 12,588
Great Neck,LI,new york
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8 to 1,5lbs on pump gas,,,,,,,,for now
HEMI-ITIS has no cure. My condition is fully BLOWN!!
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Re: What is your Compression ??
[Re: Defbob]
#627099
03/07/10 12:56 PM
03/07/10 12:56 PM
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Joined: Nov 2008
Posts: 833 MN
hemidup
super stock
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super stock
Joined: Nov 2008
Posts: 833
MN
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8.6:1 15psi with pump gas and w/m.
Jerry Williams.
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Re: What is your Compression ??
[Re: Shaker223]
#627103
03/09/10 10:23 AM
03/09/10 10:23 AM
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Joined: Jan 2003
Posts: 9,982 Ansonia, CT
CJK440
master
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master
Joined: Jan 2003
Posts: 9,982
Ansonia, CT
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I'm learning about boost everyday and one thing i found out is not all boost is the same.
A centri blower does not need the compression cut like a roots/screw type charger due to the efficiency and RPM the boost comes in at.
I am going to be building a forged bottom end for my 32V Cobra and the recomendation is to stick with thr stock 9.85 compression or even go to 10:1. That is with an intercooled D1SC. Compression for use with a Kenne Bell PD blower would be much different.
Plenty of people are running 8-10# boost on stock 9.85 bottom ends. Thats hyper pistons and powdered metal rods.
2017 Contusion Blue Challenger T/A 392 M6 "BLKNBLU"
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Post deleted by Defbob
[Re: CJK440]
#627104
03/09/10 04:09 PM
03/09/10 04:09 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Re: What is your Compression ??
[Re: daithi2]
#627106
03/13/10 11:03 PM
03/13/10 11:03 PM
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Joined: Nov 2006
Posts: 1,090 north cakalaky
instigator
super stock
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super stock
Joined: Nov 2006
Posts: 1,090
north cakalaky
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Just measured up everything up tonight to double check....
70cc combustion chambers on Indy heads 27cc dishes in ross pistons .015 down hole .045 thick copper gaskets (just a tad for sealant thickness) with 4.06 bore 4.03 cylinder bore 4" stroke
comes out to 8.6 to 1.... going to be on E-85 and pushing lots of boost.
65 Barracuda All aluminum Indy HEMI with some boost! COMING TO A TRACK NEAR YOU!
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