390 oil preasure
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Elder User
Joined: Sep 2000
Posts: 718
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From: Golden ,CO USA
390 oil preasure
i finaly got my aftermarket guages hooked up today. the oil preasure guage says 20 psi at idle and goes up as engine rpm increases. my question is is 20 psi a good preasure for it. i just thought it would be higher than that.
'75 F-100 4x4, 4" lift
35x15.5x15 super swamper TSL/SX
mini-spooled 9" rear end
390 w/ cam,headers,
and 4 barrell edelbrock
TRIED TRUE and FORD BLUE
'75 F-100 4x4, 4" lift
35x15.5x15 super swamper TSL/SX
mini-spooled 9" rear end
390 w/ cam,headers,
and 4 barrell edelbrock
TRIED TRUE and FORD BLUE
Post Fiend
Joined: Feb 2001
Posts: 6,624
Likes: 8
From: Missouri
390 oil preasure
Mine stays at 25psi hot at idle and that is with a high volume pump. How much is it pushing max? I get about 80 pounds. Are you getting this pressure hot or cold? 20 psi is plenty at idle but you want to check the reading after the engine is completely warmed up.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
390 oil preasure
That pressure is very much on target for a FE. 
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John
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In the cool still quiet of night, you can hear chevies rusting away.
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John
jowilker email me
[link:www.ford-trucks.com/users/jowilker|My Club FTE Page] Member 0004 since 01 01
[link:www.ford-trucks.net/users/jowilker/NCFTE.html|NCFTO] North Carolina Ford Truck Owners Group
In the cool still quiet of night, you can hear chevies rusting away.
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Elder User
Joined: Sep 2000
Posts: 718
Likes: 0
From: Golden ,CO USA
390 oil preasure
i didnt run it long, just long enuff to make sure i didnt have any leaks in the tube after the install. so it was still cold. ill let yall know what my preasure is when it is hot. it might be a while because i have to fix my bnrakes befor i can drive the truck.
'75 F-100 4x4, 4" lift
35x15.5x15 super swamper TSL/SX
mini-spooled 9" rear end
390 w/ cam,headers,
and 4 barrell edelbrock
TRIED TRUE and FORD BLUE
'75 F-100 4x4, 4" lift
35x15.5x15 super swamper TSL/SX
mini-spooled 9" rear end
390 w/ cam,headers,
and 4 barrell edelbrock
TRIED TRUE and FORD BLUE
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