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Caprice PPV....new project

Old 12-20-2018, 08:09 PM
  #21  
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I am leaning towards the ls9 cam that I have instead of the TU1.5. Input on this cam with a built 5.3, 10.5:1, e85, the twin 6162 turbos, and all the boost? Picking up the shortblock saturday morning!
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Old 12-24-2018, 08:59 AM
  #22  
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You pick up the car yet?
Find out if the engine is ok?
Love those Caprice PPV.
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Old 12-24-2018, 02:43 PM
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Yes, had the car for a while now. Forged LC9 shortblock is done. Haven't picked it up yet. Got the head gaskets today. Have everything else to finish the engine. Gonna get it running NA, and see how the 6l80e is. Then someone can hopefully buy it before I pull it.

Any input on the cams and springs above? And how will the vs 6162's spool on a 5.3? I am kind of spoiled now with the instaspool of the vs7875 and lq4 in my truck.
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Old 12-30-2018, 09:28 AM
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Putting the engine together and trying to get it in the car this long weekend. The engine has .0028 main clearance, and .0024 rod. The engine was originally DOD. I have a melling 10296 pump. Which spring should I use?

Also, do I leave the oil pressure relief in the pan or plug it? If I leave the high pressure spring in the pump, the relief in the pan will regulate it to 55?
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Old 12-30-2018, 12:32 PM
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I used the high pressure spring that came installed in my melling pump (in my L92) and plugged the PRV in the pan. With similar clearances I see 65 psi cold idle and 40ish driving around at operating temp.
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Old 12-30-2018, 06:12 PM
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Originally Posted by Quito195 View Post
I used the high pressure spring that came installed in my melling pump (in my L92) and plugged the PRV in the pan. With similar clearances I see 65 psi cold idle and 40ish driving around at operating temp.
Thanks for the info. I did pick up a short m14x1.5 drain plug and an aluminum washer. I will install it unless I hear otherwise.

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Old 12-31-2018, 06:18 PM
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Originally Posted by rpm-inc View Post
Thanks for the info. I did pick up a short m14x1.5 drain plug and an aluminum washer. I will install it unless I hear otherwise.
good plan, Iíve always heard that you want 10 psi oil per 1000 rpm so 55 lbs at 7k+ didnít make sense. That was my logic on the whole thing. Seems to be working. Cool build btw.

Thanks,
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Old 01-06-2019, 07:00 PM
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Engine is in. Chasing missing bolts to get it running.
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