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Bad oil pressure in my 94 lt1 Need Help please!?!?

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  • #31
    Originally posted by JoeliusZ28 View Post
    factory service manual spec only calls for 6psi at 1000 RPM.
    Holy crap...you gotta be kidding me...

    No, I know you're not...
    Originally posted by Redd8407
    I WANT NOISE! SPEED! AN ENGINE THAT SHAKES MY INTERNAL ORGANS LIKE THEY GOT PARKINSON'S! I DONT WANT AN ENGINE THAT IS PARTIALLY POWERED BY MY LAPTOP BATTERY!
    Originally posted by Z28ISGR8
    WHY THE F*CK IS THERE A GOAT ON A FERRARI?
    Originally posted by Darren
    I think it is because I take it in and out all the time, the rubber has just stretched out, especially at the bottom where it is really thin. It annoys me more then anything.

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    • #32
      Originally posted by JoeliusZ28 View Post
      it is very common for LT1s to idle below the first notch on the gauge (20psi) which people freak out about.

      factory service manual spec only calls for 6psi at 1000 RPM.

      and Mr. LT1 comes in ftw
      1998 Chevrolet Camaro Z28 - 6 Speed

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      • #33
        Originally posted by 81DaytonaPaceCar View Post
        Holy crap...you gotta be kidding me...

        No, I know you're not...
        hes telling the truth.

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        • #34
          normal rule of thumb is 10psi per 1000rpms
          Doing less with more


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          • #35
            Yup, I was going to say something earlier about Lt1s being known for terrible oil pressure, but I knew that I would just be discounted. My Lt1 has 80,000 on it, and I have about 22psi at idle, ~30 or so @1000 rpm, ~50 @ 2500 rpm, and I don't know after that. When I'm in those rpm ranges I typically am focused on the road, not my oil pressure, lol.

            2011 Mustang GT
            20" Satin Black AMRs with 305/35 & 275/35 MT Street Radials, Saleen Grille, CS Lower Valance, Roush Axleback, GT500 Spoiler, resonator delete

            In Progress: Brembo 6-piston brake upgrade


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            • #36
              Thanks everyone for your help i decided im gonna just drive it and if any other problems or concerns arise ill keep you all updated.

              But now i just gotta decide what to do with the $300 i saved up to do the engine pull and pump replacement. DeadOnWS6 keeps telling me to put a comp cam 220/230 in it, but i am almost due for new front brakes and I've been thinking about replacing the stock 2.73's in the rear. Decisions-Decisions

              Or I could put it toward paying the loan off faster. lol
              1999 z28 Bright Blue Metallic 1 of 10
              1999 z28 Hugger Orange RS 1 of >309 (Sold)
              1997 z28 White 6 speed Heads and Cam. (Sold)
              1994 z28 PPM auto Cam only (Sold)
              1984 sport coupe red 4 cyl (Sold)

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              • #37
                one useful change would be to change thermostate to 160* from 180 or 195 thats in there the cooler oil will maintain better oil pressure and extend the life of engine. not costly and after sitting 4 years wouldn't hurt to put new antifreeze in there.
                sigpic
                1998 Trans Am Convertible A4 - WS6 hood, WS6 air lid, WS6 rims, drilled/slotted rotors.

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                • #38
                  Originally posted by Plum Nuts View Post
                  one useful change would be to change thermostate to 160* from 180 or 195 thats in there the cooler oil will maintain better oil pressure and extend the life of engine. not costly and after sitting 4 years wouldn't hurt to put new antifreeze in there.
                  you know i was thinking about that but i need a tune don't I?
                  1999 z28 Bright Blue Metallic 1 of 10
                  1999 z28 Hugger Orange RS 1 of >309 (Sold)
                  1997 z28 White 6 speed Heads and Cam. (Sold)
                  1994 z28 PPM auto Cam only (Sold)
                  1984 sport coupe red 4 cyl (Sold)

                  Comment


                  • #39
                    You need a tune after you put a cam in WAYYYY more than a thermostat. And Idk if I would put a 160 in it, these cars stay extremely cool as is.

                    2011 Mustang GT
                    20" Satin Black AMRs with 305/35 & 275/35 MT Street Radials, Saleen Grille, CS Lower Valance, Roush Axleback, GT500 Spoiler, resonator delete

                    In Progress: Brembo 6-piston brake upgrade


                    Comment


                    • #40
                      a 160 thermostat will make your car run rich until the cold start enrichment tables in the tune are adjusted.
                      -Joel
                      1995 Z28 M6 - AI226/234 - autocross ricer
                      1984 Scottsdale K10 - 305/4bbl/4spd


                      WTB List:Midwest Chasis DS Loop

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                      • #41
                        Originally posted by my95z28 View Post
                        You need a tune after you put a cam in WAYYYY more than a thermostat. And Idk if I would put a 160 in it, these cars stay extremely cool as is.
                        Originally posted by JoeliusZ28 View Post
                        a 160 thermostat will make your car run rich until the cold start enrichment tables in the tune are adjusted.
                        Well last night i was cruising around town and my oil pressure was around 20psi for every thousand rpms but my coolant temp gauge was way up around 240-250. Do you think its because i ran 5w-20 in my car? or is there another underlining cause?
                        1999 z28 Bright Blue Metallic 1 of 10
                        1999 z28 Hugger Orange RS 1 of >309 (Sold)
                        1997 z28 White 6 speed Heads and Cam. (Sold)
                        1994 z28 PPM auto Cam only (Sold)
                        1984 sport coupe red 4 cyl (Sold)

                        Comment


                        • #42
                          that is way too hot, either your fans are not working properly, you have an air bubble in the coolant system, or your water pump is going. These car should rarely ever exceed 210
                          Doing less with more


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                          • #43
                            I've yet to really see where the oil pressure is any bit of an issue. Other issues, yes, but oil pressure... not so much. Like Jeff said, car shouldn't get that hot...
                            - Brian Meissen
                            Owner, MiFBody.com
                            Administrator, LTxTech.com


                            1994 Camaro LT1 Transplant - 357ci LT1, cammed, stalled, and driven.
                            2022 Camaro LT1 - "Cherry Bomb 2"
                            Michigan FBody Meet & Greet Car Show 2022
                            June 4th, 2022 - 9am to 3pm!!!
                            The HUB Stadium, Auburn Hills, MI

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                            • #44
                              Originally posted by meissen View Post
                              I've yet to really see where the oil pressure is any bit of an issue. Other issues, yes, but oil pressure... not so much. Like Jeff said, car shouldn't get that hot...
                              Well thats just it im just trying to figure out why my car is running so funky...
                              1999 z28 Bright Blue Metallic 1 of 10
                              1999 z28 Hugger Orange RS 1 of >309 (Sold)
                              1997 z28 White 6 speed Heads and Cam. (Sold)
                              1994 z28 PPM auto Cam only (Sold)
                              1984 sport coupe red 4 cyl (Sold)

                              Comment


                              • #45
                                unless you are going slow speeds and not getting air through the radiator, that is WAY too hot and something is wrong.
                                -Joel
                                1995 Z28 M6 - AI226/234 - autocross ricer
                                1984 Scottsdale K10 - 305/4bbl/4spd


                                WTB List:Midwest Chasis DS Loop

                                Comment

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