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Author
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Topic: oil pressure 80 psi @ idle in a 306
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O1sscamaroguy
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Member # 2775
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posted
 
 
Something is wrong here and I know that much! My brothers 89 GT is got way to much oil pressure at idle it reads 80 psi and at full throttle it pegs the 100 psi limit. Hes running a auto meter mechanical oil pressure gauge with no kink are tight bend in the line hes running 20-50 oil but just switched to 10-30 to see if it does any thing. He has also got the Melling high VOLUME pump but im sure that it doesn't produce that much pressure. We are trippin that it might burn a bearing or blow out seals. help us out.
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O1 Camaro SS (pos) - 95 Bagged & Shaved Suburban - 63 Pro Street Nova - 93 S-10 Slammed, Shaved & Tangerine Candy paint -- Life is Too $hort to drive an ugly car
12.6 @ 113 w/a 1.99 60ft. 3.73, Cam, Headers, Tuning, 17x11 w/315 w/SVO #30 injectors see im DOWN Dyno'd 400hp & 400tq (it's dead)
And to think I was going to sell the SS and get an 03 Cobra - NEVER - well maybe now want to trade for a 01 SS
Posts: 115 | From: Fremont | Registered: May 2003
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FasterDamnit
Bad Attitude
Member # 442
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posted
If the plug for the pressure relief spring was pushed in too far then the Pressure can run that high. Had it happen on my first 289 rebuild. I highly recommend a new stock pump w/ hardened shaft unless you plan top spend lots of time over 6000rpm.
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'92 LX T5
Looked stock, went 11's 11.90 at 115mph.
'65 Mustang 347
www.fordmuscle.com
Livin' in the Carolina Pines
Posts: 2971 | From: NorCal | Registered: Sep 2001
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Stimson
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Member # 51
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posted
I agree, people stick on these high volume and high pressure oil pumps on their 302's for no reason. When was the last time any of you saw a 302 die from lack of an oiling system? ![[Confused]](confused.gif) I haven't seen one ![[patriot]](graemlins/patriot.gif)
Posts: 2373 | Registered: Jun 2000
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Jeff S
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Member # 371
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posted
My oil pressure reads the same FWIW. It's just robbing a few HP and isn't gonna hurt anything.
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'90 Mustang LX: 8.53 @ 157.92 w/ 1.33 60' on DR's
'10 ZR1: FOR SALE
'14 E63 S: RENNtech ECU
'04 Gallardo: UGR TTG
Posts: 2121 | From: San Jose, CA | Registered: Aug 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by Jeff S:
My oil pressure reads the same FWIW. It's just robbing a few HP and isn't gonna hurt anything.
You got that kind of pressure running through your Novi?
I would think you'd want to limit it to ~50-60psi...
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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1990GT50
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Member # 2119
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posted
mine runs at about that. nothing wrong yet
Posts: 877 | From: Benicia | Registered: Nov 2002
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GOT 50
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Member # 1960
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posted
when my car is warm it the ultra lite oil gauge i have reads 28-35 at idle and about 50-65 when warm. Is this normal?
Posts: 2139 | From: SF/DALY CITY/MILLBRAE | Registered: Oct 2002
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Jeff S
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Member # 371
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posted
quote:
Originally posted by 93PONY:
quote:
Originally posted by Jeff S:
My oil pressure reads the same FWIW. It's just robbing a few HP and isn't gonna hurt anything.
You got that kind of pressure running through your Novi?
I would think you'd want to limit it to ~50-60psi...
With the tiny hole that actually feeds the oil tot he gears I seriously doubt the pressure matters.
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'90 Mustang LX: 8.53 @ 157.92 w/ 1.33 60' on DR's
'10 ZR1: FOR SALE
'14 E63 S: RENNtech ECU
'04 Gallardo: UGR TTG
Posts: 2121 | From: San Jose, CA | Registered: Aug 2001
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rokcrln
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Member # 2536
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posted
Did you tear down the motor or just replace the pump. If you just replaced the pump are you sure it is a high vol and not a high psi. Eather way you should be ok. If you tour dowm the motor it might be a main brg in wrong (up side down) or some other prob. Not much help but the six pack before this thread was ![[Cool]](cool.gif)
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71 Bronco stock (for now) w/59k miles.
73 Bronco EFI 351W
71 Chevy PU w/Vett LT1
Posts: 448 | From: Winters Ca. | Registered: Mar 2003
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Bill/APEX Motorsports
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Member # 636
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posted
quote:
Originally posted by rokcrln:
Not much help but the six pack before this thread was
Uhhh....yeah. We can tell. ![[Razz]](tongue.gif)
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Bill Kaiser
APEX Motorsports
Santa Clara
www.apexmotorsports.com
408-562-1000
bill@apexmotorsports.com
Posts: 488 | From: Santa Clara, CA | Registered: Dec 2001
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stanger91
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Member # 397
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posted
waaaaaaay to high, my melling hi volume pump at idle sees like 40 psi. At normal driving sees about 65 psi and at WOT sees upto 75 psi. This is all on a brand new motor. 80 is just too high.
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E.T 12.314@126.300
Posts: 778 | From: Sacramento, CA | Registered: Aug 2001
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chosen1
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Member # 1906
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posted
my oil pressure is right around there, and has been there for about 3 years now. i havent had a problem, when it heats up it usually goes down to about 50 at idle.
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1967 Fastback. Should go 10's -but doesn't
1993 Cobra
2003 Suzuki SVS
1966 Coupe -For Sale
Posts: 2205 | Registered: Sep 2002
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