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Synthetic Oil?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by MudRebel350, Aug 31, 2000.

  1. MudRebel350

    MudRebel350 1/2 ton status

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    Today I bought some Quaker State 4x4 synthetic blend 10w 30. I havent put it in yet. My truck has 113k on it, and I wanted to try synthetic hoping it might get me some more oil pressure, after Ive been driving for about 20 minutes the pressure drops from 30 to about 20 and today it was getting close to 15 and I'm quite worried about it.


    JD
    88 Gmc Jimmy
     
  2. Mudzer

    Mudzer 1/2 ton status Author

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    I buy only Valvoline Products but I am sure Quaker state is good too. I started using some Fully Synthetic oil in my 170,000 mile 400 Small Block and have noticed alot of improvements. The Oil Pressure is better, It did smoke on startup but does not now, Engine runs much smoother. It is well worth it if you dont have a bunch of oil leaks.

    Mudzer 1978/91 K5
    <font color=blue>www.mudzer.coloradoK5.com</font color=blue>
     
  3. DMK

    DMK 1/2 ton status

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    Would think if you are losing oil pressure you have an engine problem. No oil will help, synthetic oil does have it's advantages. If you change your oil on a regular basis I see no need for it. Try connecting another gage to see if yours is correct. If you have around 15 at idle and there is no noise I would not worry about it.
     
  4. Emmettology 101

    Emmettology 101 3/4 ton status

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    If you want to get the pressure up, run Kendell 20/50 that says "Turbo" on it. That will really bring it up!

    Mike [​IMG]
    See <font color=green>EMMETT</font color=green> -&gt; http://emmett.coloradok5.com
     
  5. Steve_87K5

    Steve_87K5 1/2 ton status

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    My gauge was not steady, ok now. Replace the sender before deciding you have major engine trouble. I'm using Mobil-1 since 60,000 miles. I do a lot of HD towing in hot weather. Now at 240,000. Still purrs. 160 psi on all 8.

    SteveB
     
  6. MudRebel350

    MudRebel350 1/2 ton status

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    I've only put about 2300 miles on my truck but I decided I wanted to change to synthetic to try it out. As for changing the oil regularly I actually am doing it early as for the guy before, only God knows. I have no motor noises and it runs good.

    JD
    88 Gmc Jimmy
     
  7. River

    River 1/2 ton status

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    Mudrebel if your car is a brand new car (or engine) whit only 2300 miles on it don`t go whit synthetic oil jet. The synthtec oils are to good in these day`s and prevents your engine from braking in (this can result in oil usage). Put synthetic oil in it after i say 10000 miles.

    Greetings from Amsterdam,

    River `90 K5, 350, TH700R4, NP241, "33, 3.08, 10 bolt F, 10 Bolt R
     

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