 compression testing questions, is this normal |
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| freezing14 |
 Dec 10 2004, 07:58 AM
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freezing14  Group: Members Posts: 435 Joined: 21-June 04 From: brockville , Ontario, Canada Member No.: 2,233  |
Ok got the frigging engine out because of those back fire,, remove the heads, , clean everything , lots of oil everywhere, and i do the compression test, here is the result
i did the test with 5 revolution on each , they all got the same result ( thats good) here my question 1st revolution 90 psi, 2 nd revolution 120 psi 3 rd revolution 155 psi 4 and 5 th revolution 155 is this ok , or do i need to change the rings or i am ready to (IMG:style_emoticons/default/driving.gif) |
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| Bleyseng |
Dec 10 2004, 08:12 AM
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Aircooled Baby! Group: Members Posts: 13,035 Joined: 27-December 02 From: Seattle, Washington (for now) Member No.: 24 Region Association: Pacific Northwest |
R U doing the compression test with the engine warmed up?
Try squirting a little oil into the low cylinder and re test. If it stays down then you have a valve problem. ie -not seating or burning. Geoff |
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Posts in this topic
freezing14 compression testing questions Dec 10 2004, 07:58 AM
scott thacher but before you do the test again do a valve adjust... Dec 10 2004, 08:15 AM freezing14 a little interpretation issue here
cylinder 1 rev... Dec 10 2004, 08:16 AM Bleyseng So 150 on all cylinders thats great. Hmm, you runn... Dec 10 2004, 08:21 AM scott thacher thats :wub:
put the motor in and :driving: Dec 10 2004, 08:21 AM freezing14 I will be running FI unless it buzz me off, then I... Dec 10 2004, 08:26 AM Jake Raby Also, did you test with the throttle at full open?... Dec 10 2004, 09:56 AM freezing14 I did the test with no intake runner,,,, so would ... Dec 10 2004, 10:04 AM
Rhodes71/914 I think you should be happy with those results. Pu... Dec 10 2004, 11:07 AM |
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