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High Oil pressure 

 

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 Post subject: High Oil pressure
Posted: Sat Nov 27, 2004 5:55 pm 
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i have a little problem i hope some one can help me with, my car, according to the gauge has high oil pressure, now being a newly rebuilt engine and only done about 1.5K's arfter being rebuilt would i need to pull my engine back down again (please god NOOOOO) or am i worried about nothing.

any help would be great.

 

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Posted: Sat Nov 27, 2004 6:07 pm 
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High Oil press is very good. Is it still registering on the gauge?
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Posted: Sat Nov 27, 2004 6:37 pm 
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Yes, only just, at idle it sits between the second last marker and the last marker on the gauge, but when you rev it a bit, it goes past the last marker (a little bit).

um can you tell me why High oil pessure is good?, i always heard its not so good.

 

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Posted: Sat Nov 27, 2004 7:32 pm 
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i think low pressure means that the engine has some major problems like somethin aint workin or your oil level is low.

dont qoute me on it though :)

 

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Posted: Sat Nov 27, 2004 10:36 pm 
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both extremes are bad, low usually means excessive bearing gaps, high pressure could mean there is a blockage in one of the galleries, before jumping to conclusions, get your sender unit and gauge checked
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Posted: Sun Nov 28, 2004 1:07 am 
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xdv8 wrote:
both extremes are bad, low usually means excessive bearing gaps, high pressure could mean there is a blockage in one of the galleries, before jumping to conclusions, get your sender unit and gauge checked


Hate to burst your bubble, but theres a fair chance its not gauges. Its still a good idea to check them, but after rebuilding an engine, it would seem suspicious that they went at the same time. But you never can be too careful :P

 

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Posted: Mon Nov 29, 2004 1:03 am 
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Did they pack the oil return spring ?
Or fit a high presure / volume pump?
Check with capilary gauge? It maybe 10 higher than normal, with electronic gauge it maybe alittle out of calibration ????Reading higher than it should...

 

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Last edited by EBXR8380 on Mon Dec 06, 2004 10:55 pm, edited 1 time in total.

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Posted: Mon Nov 29, 2004 2:41 pm 
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EBXR8380 wrote:
Did they pack the oil return spring ?
Or fit a high presure / volum pump?



the Mods i did to my engine when i rebuilt it were,crank reground, the block decked 10thou, stg2 heads (unleaded), stg2 cam, bigger carb, more agressive coil.

i left the oil pump as it was when it came out - standard, but i will now have my gauges checked - just to be safe.

 

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Posted: Mon Dec 06, 2004 9:04 pm 
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put a mechanical gauge on it close to the donk and what pressure is it at idle and at revs when warm
my old clevo had 95 psi and it ran for 7 years and umpteen hundred thousand ks with high oil pressure with no trouble
what grade oil are you using .
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Posted: Mon Dec 06, 2004 10:59 pm 
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Hmm sounds like tight clearances??
I'd run a low visc oil !!!
Like 5/30... to get good even lubrication....

 

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Posted: Thu Dec 09, 2004 12:05 pm 
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pinkbits8u wrote:
put a mechanical gauge on it close to the donk and what pressure is it at idle and at revs when warm
my old clevo had 95 psi and it ran for 7 years and umpteen hundred thousand ks with high oil pressure with no trouble
what grade oil are you using .


the grade of oil is, 10/40, i was worried about it being a little thin, & for some reason i can no longer find 20/40.

 

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Posted: Thu Dec 09, 2004 2:20 pm 
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Maybe the sender unit is rooted

 

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Posted: Thu Dec 09, 2004 2:21 pm 
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Only real problem with too much pressure is that your soaking up a little power to drive the pump.

 

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Posted: Thu Dec 09, 2004 2:22 pm 
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Maybe you need to use a softer bypass spring in the pump.

 

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