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Thread: COMPRESSION RATE?

  1. 10-23-2006, 09:57 PM #1
    USDM CTR
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    Default COMPRESSION RATE?

    hey i just got done with my motor and was wondering if anyone could convert 225 compression rate into the ratio. i think its 11:5 but not sure. thanks
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  2. 10-24-2006, 12:20 AM #2
    Annihilation
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    http://glam0ur.com/gals/czech_vika/t...h_vika_014.jpg
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  3. 10-24-2006, 12:21 AM #3
    Annihilation
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    http://www.ff-squad.com/technet/cr-calculator.htm
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  4. 10-24-2006, 06:07 AM #4
    93H22ACX
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    compression numbers doesnt really tell you anything except for how your motor is sealing...atleast in my experience


    Here's an example of how my motor's compression was:

    H22 NA 11.8:1 = pinned the compression tester at over 325psi per cylinder
    H22 10:1 stock USDM= 150 per cylinder
    H22 10:1 rebuilt 4 years ago..=160 per cylinder
    H22 10:1 stock JDM = 220 per cylinder
    H22 10:1 built = 260-275 per cylinder
    GSR turbo 9.7:1 = 250psi per cylinder
    94 Supra= 500rwhp
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