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» Northern California Ford Owners     » Automotive   » Tech Talk   » Stock Compression

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Author Topic: Stock Compression
Migs
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Member # 5439

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HEy guys what is the stock compression on a 88 GT 5.0

Is 10:13:1 too high to run pump gas?

What makes the compression? Is it the pistions or is it...?

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R.I.P SilverLX! You are missed bro.
Posts: 348 | From: Healdsburg CA | Registered: Mar 2005  |  :
89 FAKE SNAKE
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i think stock is 9.5...and i have 10.5 and run 91...but mostly goin to run 100..but ya is 10.5 to high for pump gas?

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90 COUPE
01 R1 (stock)
04 XR-50(stroked)
06 TT-R50E
SRA & PWA member
Posts: 3075 | From: san jose | Registered: May 2004  |  :
Motorhead6T5
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The piston dome/dish,the combustion chamber on the heads,and the Cubic inches all effect the compression ratio. I think stock is 8.5-9:1,but its been so long I can't remember. You could run all the way up to about 11:1 on pump gas if your tuned correctly.

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65 Fastback
72 Malibu
Posts: 1230 | From: 530 | Registered: Oct 2004  |  :
cheap
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If you have a chiltons it's in the book at one of the end of the chapters.

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1965 Spyder GT
Posts: 1358 | From: Maine | Registered: Feb 2002  |  :
AJBlackGT
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You should be able to get away with 11:1 especially if you have aluminum heads and a good tune.

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90 Notch
Posts: 1896 | From: Sacramento | Registered: Dec 2003  |  :
Migs
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Will the increase in compression give me a good HP boost?

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R.I.P SilverLX! You are missed bro.
Posts: 348 | From: Healdsburg CA | Registered: Mar 2005  |  :
CDT
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you have to figure out your dynamic compression to really see what you can run.

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Custom Dyno Tuning
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Posts: 1053 | From: Hayward | Registered: Nov 2004  |  :


 
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