good compression?
#2
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Tell us about the rebuild. Who did it? Based on other threads I've read, it sounds reasonable for 450 miles. You might expect a little higher numbers, maybe 94 after 1,000 miles.
#7
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Originally Posted by jono20
yesterday i measured 91 and 92 psi (front and back) on my rebuild with 450 miles. am I on the right track?
Last edited by Go48; 03-23-06 at 01:03 PM.
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#9
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the test was done with the engine warm. cranked about 5 times. I just rememberd I didnt hold the throttle open so that might have hindered it a bit. was just usin a 20 dollar wal mark tester. and yeah it does have new housings.
#10
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Originally Posted by FC3S_nataku
i just did a comp test last week and i got 85 on the front and 90 on the rear in my new motor. my motor was built by keven landers and it has a port on it.
Is there a hidden message here?
#12
I have seen motors run fine on 80psi. Of course those were T2's. However you must remember that 5,6,7 psi difference from what you are wanting to show on that tester is not a big deal. If your showing 100+ with new housings thats great! But if you are getting between 90-100 with used housings you are doing just as well.
All in all, 5-10 psi is not a matter to freak out and think that your motor was not built right.
All in all, 5-10 psi is not a matter to freak out and think that your motor was not built right.
#13
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Originally Posted by jono20
the test was done with the engine warm. cranked about 5 times. I just rememberd I didnt hold the throttle open so that might have hindered it a bit. was just usin a 20 dollar wal mark tester. and yeah it does have new housings.
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