Re: Engine sits for about a weekend and have no oil pressure.
[Re: MR_P_BODY]
#2755952
03/25/20 05:34 PM
03/25/20 05:34 PM
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Joined: Aug 2014
Posts: 562 Ohio
lockjaw-express
mopar
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mopar
Joined: Aug 2014
Posts: 562
Ohio
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Try it.. anything to make a trap I called Kenny at Indy, and he told me to plumb my Accumulator to the top of the Filter adapter, and I did, and no more dry starts! I get oil to the passage ways, and Kenny told me it would reprime the pump. Works like a champ now. Thanks all the help! Mark PS: Mike (Mr_P-Body) -- Randy's (Labratt) car now has a 605CI 1100HP all aluminum engine it now!
Last edited by lockjaw-express; 03/25/20 06:48 PM.
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Re: Engine sits for about a weekend and have no oil pressure.
[Re: MR_P_BODY]
#2756068
03/26/20 12:01 AM
03/26/20 12:01 AM
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Joined: Aug 2014
Posts: 562 Ohio
lockjaw-express
mopar
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mopar
Joined: Aug 2014
Posts: 562
Ohio
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Sweet... the car is looking real good..Do I see a glimpse of a injector under there... glad you got your problem squared away Hi Mike, Yes, Holley Dominator EFI MPFI. Works great now, since I went with a Dwayne Porter Solid Roller Cam with 115LSA and 260/268* at .050, and advanced 2* I went from 4" of vacuum on the Carb Cam (110 LSA), and now idles at 16" of vacuum. I also went with a Frank Lupo 4L80e Trans and his custom 10" lockup converter. It runs like a beast now!!! Mark
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Re: Engine sits for about a weekend and have no oil pressure.
[Re: MR_P_BODY]
#2766403
04/20/20 05:31 PM
04/20/20 05:31 PM
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Joined: Dec 2012
Posts: 1,824 Wind Gap,Pa.
Sammy
OP
top fuel
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OP
top fuel
Joined: Dec 2012
Posts: 1,824
Wind Gap,Pa.
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You need a hump in both lines to act as a trap but you want it small so it will prime quick There is a hump in both lines but the rear one is severely high. Up and over the center link. Could this be the problem?
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Re: Engine sits for about a weekend and have no oil pressure.
[Re: Sammy]
#2766426
04/20/20 06:11 PM
04/20/20 06:11 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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How high does the rear line go up.. you want both line low enough but yet still have a trap.. the area going up high needs to be reduced EDIT you also want the humps close to the pump.. I liked to put the hump the last thing in the line close to the pump
Last edited by MR_P_BODY; 04/20/20 06:16 PM.
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Re: Engine sits for about a weekend and have no oil pressure.
[Re: MR_P_BODY]
#2768182
04/25/20 04:59 PM
04/25/20 04:59 PM
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Joined: Dec 2012
Posts: 1,824 Wind Gap,Pa.
Sammy
OP
top fuel
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OP
top fuel
Joined: Dec 2012
Posts: 1,824
Wind Gap,Pa.
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So I just learned something today. And I just wanted to pass this along to anyone who might have this problem in the future. 1st of all, the problem was the oil pan 90* elbow out of the pan. I had the oil line going up way high and the 90* fitting was pointed in the 12 o'clock straight up position. I got under the car today and turned the 90* fitting to to 7 o'clock position and got the line under the center link instead of over it. Turned the car on not only did it prime right up, I now have almost 20 psi more oil pressure. Will double check if I lose prime tomorrow but I definitely see a huge difference from what I had to now. I'm pretty happy right now.
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Re: Engine sits for about a weekend and have no oil pressure.
[Re: Sammy]
#2768201
04/25/20 06:10 PM
04/25/20 06:10 PM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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So I just learned something today. And I just wanted to pass this along to anyone who might have this problem in the future. 1st of all, the problem was the oil pan 90* elbow out of the pan. I had the oil line going up way high and the 90* fitting was pointed in the 12 o'clock straight up position. I got under the car today and turned the 90* fitting to to 7 o'clock position and got the line under the center link instead of over it. Turned the car on not only did it prime right up, I now have almost 20 psi more oil pressure. Will double check if I lose prime tomorrow but I definitely see a huge difference from what I had to now. I'm pretty happy right now. Sounds like you got it covered now.. good luck with it
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Re: Engine sits for about a weekend and have no oil pressure.
[Re: AndyF]
#2768243
04/25/20 07:59 PM
04/25/20 07:59 PM
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Joined: Dec 2012
Posts: 1,824 Wind Gap,Pa.
Sammy
OP
top fuel
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OP
top fuel
Joined: Dec 2012
Posts: 1,824
Wind Gap,Pa.
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The extra oil pressure sounds a little odd. I'm wondering if the pickup inside the pan was tilted at an angle or something. It definitely changed for the better. I think that straight up fitting with the high oil line was causing the oil pump to work extra hard and the head pressure was causing the lower oil oressure. Before the fix, I had 72 psi cold and now I have 88psi cold. Going to start the car tomorrow morning to see if the prime still works.
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Re: Engine sits for about a weekend and have no oil pressure.
[Re: Cab_Burge]
#2770538
05/02/20 08:19 PM
05/02/20 08:19 PM
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Joined: Dec 2012
Posts: 1,824 Wind Gap,Pa.
Sammy
OP
top fuel
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OP
top fuel
Joined: Dec 2012
Posts: 1,824
Wind Gap,Pa.
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Take the pump off and inspect it for wear or damages to the scroll and rotor, also remove the bypass valve and spring and check to make sure the bypass vale moves freely in the pump cover, no damages or gunk holding it, same thing on the end of the bypass valve and the seat in the pump cover for damage or gunk holding it from seating correctly Good luck, your making progress Cab do you think a -12AN one way check valve would solve this problem? No room to take the pump out and its brand new .
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