 oil pressure sender and gauge-Problem? SOLVED, dual Pickup unit |
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| srohling |
 Mar 14 2010, 10:30 AM
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#1
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Newbie  Group: Members Posts: 32 Joined: 19-July 09 From: sc Member No.: 10,584 Region Association: South East States  |
Just got my motor back and installed. I installed a duel pickup sender and have the hose extension kit installed as well. Also installed a new VDO Oil pressure gauge. Upon my first starting the motor, I only showed about 20 lbs of pressure on the gauge. I called my engine builder who said it showed 50 lbs + when he did his break in. I blew the hose out with air and cleaned the hole on the sender. The gauge now shows about 30 lbs of pressure....you guys have any ideas of why I am not getting a better reading? This is a brand new motor with the big oil pump. Could it be a voltage or grounding issue?
as usual...you guys are always a big help. Scott |
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| VaccaRabite |
Mar 14 2010, 11:07 AM
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#2
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En Garde! Group: Admin Posts: 13,444 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
Are you sure that the sender is properly grounded to the case? The sender is meant to ground by screwing into the case. when attached to a remote hose, the hose blocks the ground, or partially blocks it. How have you gone about making sure the sender was grounded to the block?
Zach |
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| pcar916 |
Mar 14 2010, 02:07 PM
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#3
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None 
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This is a little like asking someone "if it's plugged in" so forgive me ahead of time, but are you certain the gauge and sender are a temperature-range match?
Good luck! |
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| underthetire |
Mar 14 2010, 02:29 PM
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#4
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914 Guru Group: Members Posts: 5,062 Joined: 7-October 08 From: Brentwood Member No.: 9,623 Region Association: Northern California |
my guess you have a 150PSI sender with a 80 PSI gauge.
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| srohling |
Mar 14 2010, 02:42 PM
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#5
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Newbie Group: Members Posts: 32 Joined: 19-July 09 From: sc Member No.: 10,584 Region Association: South East States |
All good answers everyone. I have grounded the the sender by using the metal bracket which is supplied and attaching with one of the case bolts. I don't know about the 150 lbs Vs. ??? lbs sender...I have to check into that one.
Thanks, you have given me a little direction. Scott |
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| srohling |
Mar 18 2010, 06:07 PM
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#6
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Newbie Group: Members Posts: 32 Joined: 19-July 09 From: sc Member No.: 10,584 Region Association: South East States |
Ok...after waiting for AA to get back to me on the sending unit, I got tired and ordered an 80 PSI VDO sending unit from Summit. Plugged in and reading 55+ PSI. BTW, the Summit unit was a good deal less than the cost at AA.
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