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Thread: Riva Heads

  1. #1
    fastkaz's Avatar
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    Riva Heads

    i isntalled my riva heads today and check the psi and i only got 120 psi..is this correct?


  2. #2
    mrbtd's Avatar
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    Did you check compression before you installed the heads ?

  3. #3
    fastkaz's Avatar
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    yes it was 1 30

  4. #4
    Moderator OsideBill's Avatar
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    What head did you get the 130 on?

  5. #5
    fastkaz's Avatar
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    the stock head

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    Moderator OsideBill's Avatar
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    Unmodified stock head? 130 does not sound right unless it has been cut. should come in around 120 on a stock head

  7. #7
    fastkaz's Avatar
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    the stock heads isnt cut

  8. #8
    Moderator OsideBill's Avatar
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    What kind of gauge are you using? and exactly how are you doing the test?

  9. #9
    fastkaz's Avatar
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    im using a milton compression tster...i keep the rest of spark plugs in and place the end into the hole and roll until it pops

  10. #10
    Happily Self-Employed WFO's Avatar
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    The stock non-pvs I have checked are130-135.

    Did you open the throttle ?

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