pressurising the sump

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pressurising the sump Empty pressurising the sump

Post  ironbark on August 16th 2013, 5:48 am

what I have is A460 block, 4.625 pistons, low compression rings, gapless top rings, 4 stage dry sump set up, 3 scavenge 1 pressure dash 12
hat injected on metho, done leak down test and all is fine, done compression test all read within 5 pound 250.
just seems to be building pressure,
any suggestions


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Join date : 2009-08-22

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pressurising the sump Empty Re: pressurising the sump

Post  bbf-falcon on August 16th 2013, 7:54 am

That engine def needs a 4 stage vacumn pump for sure.


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