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Old 07-01-2004, 11:21 AM
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Default problems with b series oil pump

i'm having a problem with my oil pump i've broken 4 pumps in the last two days
and one of the pumps had pro drive gears in it i don't know why this is happening
i'm looking in to an exteral pump but all the ones i've seen are not streetable
Old 07-01-2004, 03:27 PM
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Default Re: problems with b series oil pump (whitey bulger)

You've obviously got a mechanical problem.
Old 07-01-2004, 04:58 PM
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Default Re: problems with b series oil pump (whitey bulger)

have you had your min bearings align bored? if so you put added stress on the oil pump because it moved the crank shaft up further.
Old 07-01-2004, 08:28 PM
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Default

the only thing that would cause that is extremely poor crank balancing
Old 07-02-2004, 04:56 AM
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Default Re: (99B16Si)

some people are saying that the crank could be warp
Old 07-02-2004, 08:01 AM
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Default Re: (whitey bulger)

Do you still use a stock harmonic balancer. Switch to a Fluidampr.
Also the post on the align bore is correct also.
Old 07-02-2004, 08:05 AM
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Default Re: problems with b series oil pump (philipwight)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by philipwight &raquo;</TD></TR><TR><TD CLASS="quote">have you had your min bearings align bored? </TD></TR></TABLE>

I didnt know the main bearings were supposed to be align bored. Earl was my block checked for that?
Old 07-02-2004, 09:43 AM
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Default Re: (earl)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by earl &raquo;</TD></TR><TR><TD CLASS="quote">Do you still use a stock harmonic balancer. Switch to a Fluidampr.
Also the post on the align bore is correct also.</TD></TR></TABLE>

whats a fliudampr??? and why would it help???

Landon
Old 07-02-2004, 09:57 AM
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Default Re: (boosted_dc2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boosted_dc2 &raquo;</TD></TR><TR><TD CLASS="quote">

whats a fliudampr??? and why would it help???

Landon</TD></TR></TABLE>

Its a harmonic damper that reduces crankshaft vibrations.
Old 07-02-2004, 10:02 AM
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Default Re: (MachAF)

how much do they run, and how neccesary are they for our engines. also are they underdrive as well or stock diameter pulleys??? sorry to jack the thread.

Landon
Old 07-02-2004, 11:39 AM
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Default Re: problems with b series oil pump (Muckman)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Muckman &raquo;</TD></TR><TR><TD CLASS="quote">

I didnt know the main bearings were supposed to be align bored. Earl was my block checked for that?</TD></TR></TABLE> Never necessary after installing Benson sleeves. You are fine.
You want to avoid align boring as it can throw the oil pump gears out of proper alignment
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