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Thread: 5.0L Temp/Oil Temp, Oil Pressure questions

  1. #1
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    5.0L Temp/Oil Temp, Oil Pressure questions

    We finally got the Cobra out for an extended period of time yesterday to get an alignment done and start to figure out some of the bugs. Just curious as to what the Water Temp, Oil Temp and Oil Pressure should be running at? We are idling around 50psi and went acceleratoring it jumps up to 60, which I would think is about right? The water temp/oil temp hovered anywhere between 75-80C (167-176F). Just wanted to make sure we were in the clear with those numbers or if it's running a hair hot? Thanks guys!
    RIP Vinny50
    '04 Screaming Yellow Mach 1 - 309RWHP/325RWTQ (N/A) ~ 12.4 @ 111 Mph (N/A) - Sold 10-11-08
    Born in New Zealand - Made in America

    AJ "McTire-Fryer" McKean
    *** My VB Garage *** My Website ***
    "As far as size, I would say anything larger than AJ's is too big." - Dedpedal

  2. #2
    Join Date
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    oil pressure sounds right, my motor idles about 45-50 and goes up to 60-65.

    temp sounds right(to me), also. mine runs about that hot, but it's also .060 over and i have been told that it runs at a good temp for .060 over
    '17 WRX- 312/317 driving all the wheels

  3. #3
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    awsome numbers
    1990 mustang lx convertible 5.0 almost all stock, best time so far 14.796 @ 93.48 new motor and trans coming this winter i hope

  4. #4
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    I think its running a touch hot.

    Does it have an electric fan or clutch fan?

  5. #5
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    no offence a touch hot if it has a 175 or 180 tstat in it them are great numbers 5.0L like being around 173 to 185
    1990 mustang lx convertible 5.0 almost all stock, best time so far 14.796 @ 93.48 new motor and trans coming this winter i hope

  6. #6
    Join Date
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    Actually running below 180 can effect the ecm. With that said it is pretty common to drop to alower temp tstat. Seems fine to me.
    2011 Gt/Cs 1 of 23 Grabber Blue with glass roof.
    3.8 Whipple supercharged, E85, TH400 tuned by Palm Beach Dyno

  7. #7
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    thanks bo thats what i thought it was you want a 180 tstat as lowest in a 5.0
    1990 mustang lx convertible 5.0 almost all stock, best time so far 14.796 @ 93.48 new motor and trans coming this winter i hope

  8. #8
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    Cool, thanks guys. I figured as much, just wanted to make 100%. I know one thing though, that passenger compartment gets pretty damn warm! That motor sure puts off some heat. lol
    RIP Vinny50
    '04 Screaming Yellow Mach 1 - 309RWHP/325RWTQ (N/A) ~ 12.4 @ 111 Mph (N/A) - Sold 10-11-08
    Born in New Zealand - Made in America

    AJ "McTire-Fryer" McKean
    *** My VB Garage *** My Website ***
    "As far as size, I would say anything larger than AJ's is too big." - Dedpedal

  9. #9
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    Quote Originally Posted by mach_u View Post
    Cool, thanks guys. I figured as much, just wanted to make 100%. I know one thing though, that passenger compartment gets pretty damn warm! That motor sure puts off some heat. lol
    I can show ya some Heat barrier items when you and Rachel come down for the WW Dyno day.
    http://stangbang.tripod.com/ Where all this began!
    http://stangbang.tripod.com/twisted/ Vinny
    1984 Mustang build @craig_btr on Instagram

  10. #10
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    Quote Originally Posted by 347sc View Post
    Actually running below 180 can effect the ecm. With that said it is pretty common to drop to alower temp tstat. Seems fine to me.
    You know, I must run WAY cold. I hardly ever get above 160.....maybe my fan relay is stuck closed or y therm is always open...

  11. #11
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    Quote Originally Posted by Maximus View Post
    I can show ya some Heat barrier items when you and Rachel come down for the WW Dyno day.
    Cool! I think that might be a good idea. I hate to think what it will feel like during the middle of summer.
    RIP Vinny50
    '04 Screaming Yellow Mach 1 - 309RWHP/325RWTQ (N/A) ~ 12.4 @ 111 Mph (N/A) - Sold 10-11-08
    Born in New Zealand - Made in America

    AJ "McTire-Fryer" McKean
    *** My VB Garage *** My Website ***
    "As far as size, I would say anything larger than AJ's is too big." - Dedpedal

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