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dart big m block oil pressure

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Old May 8, 2008 | 09:43 PM
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Default dart big m block oil pressure

Anybody familiar with the dart big m.New motor installing a mechanincal oil pressure guage.My old guage fit by the oil filter,the new motor dart says to tap in by the top of the trans-drivers side-1/4 inch npt.Well i hooked it up and 0psi.Any ideas-guage worked perfectly before new motor.
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Old May 8, 2008 | 10:25 PM
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Originally Posted by corvette744
Anybody familiar with the dart big m.New motor installing a mechanincal oil pressure guage.My old guage fit by the oil filter,the new motor dart says to tap in by the top of the trans-drivers side-1/4 inch npt.Well i hooked it up and 0psi.Any ideas-guage worked perfectly before new motor.
I thought it was a 1/8 pipe in back of the left cylinder head I maybe wrong but are you tring to prime the engine??
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Old May 8, 2008 | 10:33 PM
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[IMG][/IMG]NO as far as i now its a 1/4 then a male 1/8th then the stainless line.The motor was just dynoed and that is were they tapped in at.So i just went along with were they told me to tap in at.You should not have to prime if it was dynoed and installed i n the same week -at least i dont think so.

Last edited by corvette744; May 8, 2008 at 10:49 PM.
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Old May 8, 2008 | 10:53 PM
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Originally Posted by corvette744
[IMG][/IMG]NO as far as i now its a 1/4 then a male 1/8th then the stainless line.The motor was just dynoed and that is were they tapped in at.So i just went along with were they told me to tap in at.You should not have to prime if it was dynoed and installed i n the same week -at least i dont think so.
That is 1/4 pipe there as I looked down in the shop and was going by a Little-M I sitting there and I would not think it would have to be primed if it just came off the dyno but it would not hurt anything.
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Old May 8, 2008 | 11:14 PM
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The only thing you can do is pull the dist. and use a priming tool and see if you can build oil pressure with the priming tool.
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Old May 9, 2008 | 03:21 PM
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I see you found the problem over on the Dart board and what did you find. ??
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Old May 9, 2008 | 10:02 PM
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Im embarresed to say-i stuck a pen cap in the line to plug it when i tighten the line on it pushed it up.Stupid but easy fix so im happy.
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