a poncho....... but I think 20 is ok and use Valvoline racing stuff .....
bit worried how it sticks around 40 when cold but people tell me thats fine
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| Author: | farl cogetty [Wed Feb 12, 2014 7:32 am ] |
| Post subject: | oil pressure reading |
what is ideal ??? mine is around 40 at start as if it is stuck but once warm idle is about 20 then rises with revs as normal... this ok |
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| Author: | 3rdGenmalc [Wed Feb 12, 2014 8:22 am ] |
| Post subject: | Re: oil pressure reading |
I find searching for answers on this kind of thing gives you many many varied theories. But try this thread, http://www.hotrodders.com/forum/correct ... 59581.html "You need at least 10 lbs. of oil pressure for every 1000 rpm's. Ideal is around 15-20 lbs per 1000 rpm's." |
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| Author: | chevy-stu [Wed Feb 12, 2014 10:32 am ] |
| Post subject: | Re: oil pressure reading |
I thought it should 25/30 at warm idle. Mine sits around 30 at lowest, but it's a newish engine with some clever bits. 20 sounds a little low. You have got a Chevy engine in yours haven't you ? |
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| Author: | farl cogetty [Wed Feb 12, 2014 11:04 am ] |
| Post subject: | Re: oil pressure reading |
a poncho....... but I think 20 is ok and use Valvoline racing stuff ..... bit worried how it sticks around 40 when cold but people tell me thats fine
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| Author: | 3rdGenmalc [Wed Feb 12, 2014 12:14 pm ] |
| Post subject: | Re: oil pressure reading |
I have a high volume pump in mine, I see people saying it´s not a good thing but I´ve had it in there a long time no problems. I think for low rpm use it keeps the top of the engine well oiled. I see 50-60. |
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| Author: | farl cogetty [Wed Feb 12, 2014 5:49 pm ] |
| Post subject: | Re: oil pressure reading |
Quote: I see people saying it´s not a good thing .
in my opinion there's too many opinions in hot rodding 
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| Author: | Pa's F-bodies [Wed Feb 12, 2014 6:36 pm ] |
| Post subject: | Re: oil pressure reading |
May be your oil is a bit thin what grade are you using? Also gauges are not always that accurate. I think from memory that a Pontiac motor when warm should read 30 psi at 2000rpm 40psi at cold is ok 
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| Author: | farl cogetty [Wed Feb 12, 2014 7:01 pm ] |
| Post subject: | Re: oil pressure reading |
30@2000 is about right I use http://www.ebay.co.uk/itm/Valvoline-VR1 ... 43bcd40446 was recommended kendall but its too expensive |
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| Author: | sportsroof [Wed Feb 12, 2014 7:14 pm ] |
| Post subject: | Re: oil pressure reading |
Most of the engines I deal with (plus my own) are around 60-80psi cold but drop to about 30 ish when hot idling, rising to around 60ish at moderate rpm. HTH Cheers, Martin |
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| Author: | Z28DUNC [Thu Feb 13, 2014 10:18 am ] |
| Post subject: | Re: oil pressure reading |
Mine doesn't drop below 38. Usually 45 to 55 driving when warm. 60 ish when started from cold. But thats a LS1. My old LT1 had crap oil pressure in comparision. 20ish or lower when warm at idle but was fine when driving? I think it was something to do with a sticky EGR valve. On a side note I was stuck in traffic in the Camaro last night and the engine temp and oil temp didn't move a jot. Well chuffed. Stayed just below 210 F and oil pressure a steady 38 at idle. |
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