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06-09-2019, 09:54 AM | #1 |
Senior Member
Join Date: May 2010
Location: Granger (Northern) Indiana
Posts: 1,520
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Update-on my 8BA oil pressure problem
Back in December I posted an erratic/low oil pressure problem with my fresh 276" engine during break-in. A spare new pump was then sent to flatjack9 for a performance test, with good normal results.
I recently removed the suspect pump and installed the tested pump. Cold pressure is now over 50 psi, and 25 at hot 180* idle with 10W30 Valvoline VR1 and Wix (NAPA)1515 filter. Problem solved! I'll try to find out the problem with the bad pump in the future. Last edited by V8 Bob; 06-09-2019 at 10:02 AM. |
06-09-2019, 10:16 AM | #2 |
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Join Date: May 2010
Location: Coral Springs FL
Posts: 10,919
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Re: Update-on my 8BA oil pressure problem
Great news. Glad you got it solved.
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06-09-2019, 10:27 AM | #3 |
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Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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Re: Update-on my 8BA oil pressure problem
Thanks for posting the resolution!
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06-09-2019, 12:26 PM | #4 |
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Join Date: May 2010
Location: Cincinnati, OH
Posts: 1,361
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Re: Update-on my 8BA oil pressure problem
Was the defective pump a Melling new pump? ........or an aftermarket pump?
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VANPELT SALES LLC Cincinnati, Ohio Office: 513-724-9486 www.vanpeltsales.com www.classictransmission.com |
06-09-2019, 12:58 PM | #5 | |
Senior Member
Join Date: May 2010
Location: Granger (Northern) Indiana
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Re: Update-on my 8BA oil pressure problem
Quote:
The body is stamped USA and 4C17. The cover is stamped M19 and USA. I don't have the box or remember where I bought it from, but it would have been either Speedway or the old Hot Rod and Custom Supply 20 plus years ago. |
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06-09-2019, 03:10 PM | #6 |
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Join Date: May 2010
Location: Cincinnati, OH
Posts: 1,361
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Re: Update-on my 8BA oil pressure problem
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VANPELT SALES LLC Cincinnati, Ohio Office: 513-724-9486 www.vanpeltsales.com www.classictransmission.com |
06-09-2019, 03:44 PM | #7 |
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Join Date: May 2010
Location: Solihull, England.
Posts: 8,743
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Re: Update-on my 8BA oil pressure problem
Bad pump then. Glad it was a simple fix.
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06-09-2019, 04:12 PM | #8 |
Senior Member
Join Date: May 2010
Location: Granger (Northern) Indiana
Posts: 1,520
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Re: Update-on my 8BA oil pressure problem
Thanks for the reply's.
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06-09-2019, 04:23 PM | #9 |
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Join Date: Jan 2011
Location: sw minnesota
Posts: 4,567
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Re: Update-on my 8BA oil pressure problem
i have to wonder, how can a new pump be bad? too much clearance between the gears and housing? poorly machined gears? there has to be leakage some where that was machined in when new. good you are past it now
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