Please comment... Who has seen oil pump gear and crank sprocket failures?

Discussion in 'Forced Induction - 5.0L V8 Engine' started by lucasmelobr, Oct 24, 2019.

  1. bauern

    bauern Well-Known Member

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    The pickup tube is 1" i.d. 20191209_141223.jpg
     
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  2. olaosunt

    olaosunt Well-Known Member

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    I had ordered too but cancelled mine before it shipped after learning no upgrade gears available .
    Not worth the risk.
     
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  3. sigintel

    sigintel Well-Known Member

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    Nice. Thanks. Wonder how to set up the oil restrictors if I run predator block with stock GT heads...
    Going for poor mans road course S550 TT track rat.
     
  4. olaosunt

    olaosunt Well-Known Member

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    With the GT 500 pump ?

    I would think you would stick to the GT restrictors.

    I think the only time you would swap the restrictor is with the GT 350 heads if you are using a GT pump . Then you have to use the GT restrictors .
     
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  5. 80FoxCoupe

    80FoxCoupe Well-Known Member

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    From what I understand, the oil restrictors in the cylinder head must match the oil pump used.
     
  6. olaosunt

    olaosunt Well-Known Member

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    I think that depends on the heads .

    when I used a GT 350 pump with GT heads and GT restrictors I had no issues .

    I have had problem running the GT350 heads and GT 350 restrictors ) with the GT pump.
    The hole in the GT 350 restrictors is much smaller than in the GT restrictors so when use a lower pressure GT pump oil pressure is reduced drastically and causes me issues .

    confused yet.... lol
    :crazy:
     
  7. 80FoxCoupe

    80FoxCoupe Well-Known Member

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    What was the issue you had?
     
  8. olaosunt

    olaosunt Well-Known Member

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    I had a top end noise and when we checked the pressure at the heads it was low .
     
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  9. sigintel

    sigintel Well-Known Member

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    I used GT350 pump with GT heads (all OEM 2015) on my first motor. I ended up using GT stock oil restrictors even though using GT350 pump.
    Keep in mind, I was road coursing a stock 2015 block w a Whipple backed down to 9 psi by second season while spinning to 8000rpm. Went thru 3 sets timing chains and guides..lol...
    High rpm tears stuff up...
     
  10. olaosunt

    olaosunt Well-Known Member

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