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11-19-2008, 01:26 AM
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#1 | |
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Registered User
Join Date: Feb 2007
Location: chandler
Posts: 331
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oil pressure within spec?
up untill the point i installed my 454, i never really looked at my oil pressure guage.it never drops down below 1/4 of the way down. here is what my guage indicates.
fully warm @ idle 650-700 rpms  should i be worried? other info.. when its cold it pegs all the way to the h because the viscosity of the oil is thicker. also when im reved to about 1500 rpm's (FULLY WARM) it goes about 3/4 up closer to the H. which is good. anything past 1500 it pegs the H (FULLY WARM). <-- this is normal right? so in a nutshell, should i be worries about my idle oil pressure? is it too low at idle?
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11-19-2008, 01:38 AM
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#2 |
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Registered User
Join Date: Nov 2008
Location: grande prairie, alberta Canada
Posts: 49
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Re: oil pressure within spec?
i would recommend a manual pressure test with a known good gauge just to ease your worries.
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11-19-2008, 01:39 AM
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#3 |
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Chevy Truck Addict
 
Join Date: Aug 2006
Location: Kelowna, BC
Posts: 1,176
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Re: oil pressure within spec?
Mine used to run around the 1/4 mark, warmed up at idle... I would probably not worry too much about it. I believe most of the factory gauges were rated for 60psi so that would suggest you're getting 60 or more within operating range which sounds good to me. I ended up replacing the factory gauge with an aftermarket so I could read a dial with numbers on it.
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. 1970 Chev C/10 SWB, 355 SBC, 700R4, 3.73 Posi, Air Ride (Click to view Build Thread) (SOLD) 1978 Chevy C/10 SWB 1970 Pontiac Lemans . |
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11-19-2008, 06:54 AM
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#4 | |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: oil pressure within spec?
Quote:
 That would indicate 15-ish PSI
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11-19-2008, 07:01 AM
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#5 |
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Watch out for your cornhole !
Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: oil pressure within spec?
The guideline is 10 pounds of pressure per 1000 rpm. You look plenty safe to me. Is the valvetrain quiet at idle ?
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I'm on the Instagram- @Gearhead_Kevin |
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11-19-2008, 08:46 AM
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#6 |
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Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: oil pressure within spec?
x2.......10psi per 1000 rpms avg. at normal engine temp.
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1997 GMC Sierra Ext 1965 Mustang |
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11-19-2008, 10:30 AM
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#7 |
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Registered User
Join Date: Mar 2007
Location: Connecticut
Posts: 581
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Re: oil pressure within spec?
Looks normal to me, as long as the pressure starts to come up with rpm increase.
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"I'll Procrastinate Tomorrow" quote by LEEVON 71 K10 long fleet (sons truck) new 370hp 355, sm465 np205, 3.73's 33's 70 K20 long fleet 98 G3500 work van |
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11-19-2008, 10:40 AM
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#8 |
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Hittin E-Z Street on Mud Tires
Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: oil pressure within spec?
My 67 reads pretty low at idle, around 17-18 psi, but is more around 40-50 psi while cruising.
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride  American Born, Country by the Grace of God  1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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