HP oil pressure...?
18-05-2008, 07:24 PM
#1
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HP oil pressure...?
I am Just about to put in a HP Cosworth oil pump in my 2wd Sapp. Cosworth, and I actually dont know what pressure to expect...cold and warm ???
18-05-2008, 07:45 PM
#2
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Just fitted one of the new Cosworth billet style HP oil pumps to my 4x4 cossie, I know it's not a 2wd but hopefully will give you some idea.
I get 75-80 psi pressure from cold, 25-30 psi pressure at idle when warm and 60-65 psi when driving. I'm using 10W50 Silkolene Pro S oil.
Hope this helps
I get 75-80 psi pressure from cold, 25-30 psi pressure at idle when warm and 60-65 psi when driving. I'm using 10W50 Silkolene Pro S oil.
Hope this helps
18-05-2008, 08:13 PM
#3
10K+ Poster!!
Just fitted one of the new Cosworth billet style HP oil pumps to my 4x4 cossie, I know it's not a 2wd but hopefully will give you some idea.
I get 75-80 psi pressure from cold, 25-30 psi pressure at idle when warm and 60-65 psi when driving. I'm using 10W50 Silkolene Pro S oil.
Hope this helps
I get 75-80 psi pressure from cold, 25-30 psi pressure at idle when warm and 60-65 psi when driving. I'm using 10W50 Silkolene Pro S oil.
Hope this helps
pretty similar to what I have on my new pump too.
18-05-2008, 10:16 PM
#4
Too many posts.. I need a life!!
Thread Starter
hmmm....ok...I run a 10-50 oil too, but when I fired it up first time it went to around 98-100 lb"....(I think it's the same as psi...but not sure)... on my incar gauge...??
Last edited by 2wd; 18-05-2008 at 10:18 PM.
19-05-2008, 04:09 AM
#5
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lb" = POUND(per) SQUARE INCH / PSI so is the same.
I started my dads car up yesterday to move it a xr4i with V8 rover engine, 20PSI COLD, and that is GOOD for one of these, it drops off the scale when warm!!
tabetha
I started my dads car up yesterday to move it a xr4i with V8 rover engine, 20PSI COLD, and that is GOOD for one of these, it drops off the scale when warm!!
tabetha
19-05-2008, 12:45 PM
#6
Too many posts.. I need a life!!
Thread Starter
it's just that I was not expecting pressure to be around 100psi from cold...but I will try to let the engine get warm and see if it drops...hopefully...
19-05-2008, 02:40 PM
#7
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The rover V8 is a high volume, low pressure oil supply engine, 35/40psi when warm at 3000revs.
NOT to be confused with COSSIE oil pressure, I was just saying that it(cossie) is not low compared to some.
The figures given by people above is what I would expect from a cossie engine, I'd not be worried if mine had 20psi@idle so long as it picked up on the move.
tabetha
NOT to be confused with COSSIE oil pressure, I was just saying that it(cossie) is not low compared to some.
The figures given by people above is what I would expect from a cossie engine, I'd not be worried if mine had 20psi@idle so long as it picked up on the move.
tabetha
Last edited by tabetha; 22-05-2008 at 06:03 AM.
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