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Lsj + mp90 supercharger

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Old 12-07-2010, 09:49 PM
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Originally Posted by mrbelvedere
unless he pluged the pcv passage it isent going to keep oil out of the intake
...yes it is?
what you smokin boy?
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Old 12-07-2010, 10:15 PM
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mis-judged the bung placement

need to bring it up 2 inches to clear the exhaust canal/heat shield

going back to the exhaust shop tomorrow... fml
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Old 12-08-2010, 12:51 AM
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Originally Posted by HunterKiller89
...yes it is?
what you smokin boy?
im not smoking a dam thing oil can be shoved back through the pcv port
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Old 12-08-2010, 02:46 AM
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@ Mrbelvedere

I'm welding in a -10an tmrw
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Old 12-08-2010, 03:01 AM
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Originally Posted by mrbelvedere
im not smoking a dam thing oil can be shoved back through the pcv port
which PCV port. the one on the intake? (which is closed off) or the one on the valve cover? (which leads to the crank case...) the path is just from crank case to exhaust with a check valve in between. I dont see any connection to the intake.
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Old 12-08-2010, 03:03 AM
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Do we still not have dyno numbers?
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Old 12-08-2010, 03:31 AM
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unfortunately not

unusual set backs unfortunately occurred

hoping to get them cleared up by Thursday at the latest, so I can finish the tune and get it on the rollers by this Saturday.
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Old 12-08-2010, 08:30 AM
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Originally Posted by HunterKiller89
which PCV port. the one on the intake? (which is closed off) or the one on the valve cover? (which leads to the crank case...) the path is just from crank case to exhaust with a check valve in between. I dont see any connection to the intake.
the only way the pcv is closed off 100% is if you put a pipe plug in it that check ball setup iis garbage
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Old 12-08-2010, 10:47 PM
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you talking about the pcv plug in the center of the intake manifold flange?
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Old 12-08-2010, 11:36 PM
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yes in deed
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Old 12-08-2010, 11:56 PM
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Originally Posted by mrbelvedere
the only way the pcv is closed off 100% is if you put a pipe plug in it that check ball setup iis garbage
again, where is there a connection to the intake?
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Old 12-09-2010, 12:07 AM
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Originally Posted by mrbelvedere
yes in deed
good to know

ill make sure its plugged
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Old 12-09-2010, 10:43 AM
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Originally Posted by HunterKiller89
again, where is there a connection to the intake?
that check valve does go bad oil will be pushed back through the hole and into the intake manifold
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Old 12-09-2010, 11:10 PM
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Originally Posted by mrbelvedere
that check valve does go bad oil will be pushed back through the hole and into the intake manifold
steve explained it to me. the 2.2 head doesnt have the IM to head port, so i forgot about its existence.
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Old 12-10-2010, 01:38 PM
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Originally Posted by mrbelvedere
just dont pull to much vaccum
Or else?
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Old 12-10-2010, 02:19 PM
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Originally Posted by USMCFieldMP
Or else?
you can or will inhibit the ability for oil to circulate through the engine and it will starv to death
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Old 12-10-2010, 03:56 PM
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Originally Posted by mrbelvedere
you can or will inhibit the ability for oil to circulate through the engine and it will starv to death
i feel this isnt accurate. havent heard of anyhting suggesting vacuum pumps lead to oil starvation
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Old 12-10-2010, 04:22 PM
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We have a baffled valve cover

uploading pix n videos of pcv evac setup
Last edited by 100% METH; 12-10-2010 at 06:36 PM.
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Old 12-10-2010, 06:45 PM
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Click picture to view video

suction


hooked up


-----------

excuse the mess... got a little RTV happy on a previous gasket

Last edited by 100% METH; 12-10-2010 at 07:01 PM.
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Old 12-10-2010, 06:51 PM
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A LITTLE?!
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Old 12-10-2010, 07:04 PM
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haha..... ya :/
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Old 12-10-2010, 08:21 PM
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Originally Posted by HunterKiller89
i feel this isnt accurate. havent heard of anyhting suggesting vacuum pumps lead to oil starvation
to much can
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Old 12-10-2010, 11:52 PM
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Originally Posted by mrbelvedere
to much can
again, havent ever heard of this happening. Not saying it cant, but i dont know anyone with a vacuum pump who has had oil starvation issues. What exactly would they be starving? main/rod bearings?
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Old 12-11-2010, 01:21 AM
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Originally Posted by HunterKiller89
again, havent ever heard of this happening. Not saying it cant, but i dont know anyone with a vacuum pump who has had oil starvation issues. What exactly would they be starving? main/rod bearings?
well when we first used one hardly and i mean hardly anyone had done one we used a air pump and played with the pully size till we got it right and yes we did starve an engine of oil to much vaccum makes it hard for the pump to suck it up and it will force the oil to stay up high in the head
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Old 12-11-2010, 05:19 AM
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Originally Posted by mrbelvedere
well when we first used one hardly and i mean hardly anyone had done one we used a air pump and played with the pully size till we got it right and yes we did starve an engine of oil to much vaccum makes it hard for the pump to suck it up and it will force the oil to stay up high in the head
are you referring to the ecotec platform specifically? and it doesnt make it harder for the pump to suck it up. The pump is pulling from the pan from a submerged point. The oil would not resist flow at all.
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