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oil dipstick pops out every time nos is sprayed,why?

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Old 05-22-2005, 02:31 PM
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Default oil dipstick pops out every time nos is sprayed,why?

this is on my buds 2000 camaro. his dip stick will pop up a few inches only when he sprays his nx 100 shot. any clue? thanks, mike c.
Old 05-22-2005, 02:45 PM
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lol i zip tied mine down, cause when i did my LT install i couldnt put the screw abck in the tube and block..

it should be screwed down by a screw that goes into the block!
Old 05-22-2005, 02:49 PM
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Have you checked out the PCV system to see if it's plugged or restricted from a kinked line? It also might be time for a leak down test.
Old 05-22-2005, 03:02 PM
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I've had that trouble and seen it on a variety of other cars as well. I just put a little wrap of duct tape when I'm at the track.
Old 05-22-2005, 05:13 PM
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Originally Posted by GM Muscle
Have you checked out the PCV system to see if it's plugged or restricted from a kinked line? It also might be time for a leak down test.
I agree, if the block isn't breathing correctly, there goes the dip stick/tube. Try replacing the oil fill cap with a breather (that opens a can of worms).
Old 05-22-2005, 07:24 PM
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That is blow-by. Definetly check the pcv like mentioned (and hope you have a bad one), but you are most likely pressureinzing the crank case from all of the extra cylinder pressure. Pobbible old rings or broken rings.
Old 05-22-2005, 09:53 PM
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Ringlands...I betcha.

Been there my friend.

Link

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Funny posts, I was still a little wet behind the ears.
Old 05-22-2005, 10:51 PM
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Before I did poly mounts my motor would twist and the ac lines would pull the dipstick out
Old 05-22-2005, 11:42 PM
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Originally Posted by redline2k
Before I did poly mounts my motor would twist and the ac lines would pull the dipstick out

mine pops out becasue it isnt screwed down, and the rubber seal is very weak now....
Old 05-23-2005, 12:21 AM
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Originally Posted by unit213
Ringlands...I betcha.

Been there my friend.

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Funny posts, I was still a little wet behind the ears.
LoL forum must have been small back then, it was pretty much a conversation w/ yourself
Old 05-23-2005, 06:11 AM
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Yep it pops out because of crankcase pressure, check the pcv, if thats not it do a compression check and a leakdown
Old 05-23-2005, 10:14 AM
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Originally Posted by BTL FED
Yep it pops out because of crankcase pressure, check the pcv, if thats not it do a compression check and a leakdown

thats the stuff.
it happend to my buddies car, same thing. we pulled it apart, and #7 was snapped ring, and burned up pistion!!
but there is a possability it is the pcv
Old 05-24-2005, 01:45 PM
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thanks for the replies. i'll send him all the info.
Old 05-24-2005, 06:07 PM
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its usually #7 cyl
Old 05-24-2005, 06:25 PM
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Originally Posted by thechef
its usually #7 cyl
Yep, manifold design limit.
Old 05-25-2005, 08:22 AM
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Originally Posted by thechef
its usually #7 cyl
bingo
Old 05-25-2005, 09:48 AM
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could just be running rich as well, pushing pas teh rings....try putting in on a wideband dyno to check AF ratio....may have to lean out fuel jet. I did this on my GTO and it worked fine afterwards (AF ratio from 9-1 to 11.5 - 1)
Old 05-25-2005, 09:59 AM
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Does no 7 go lean if you are running a dry shot not sure how this would happen but figured I would ask.
Old 05-25-2005, 07:57 PM
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Originally Posted by Z284U2TRY
Does no 7 go lean if you are running a dry shot not sure how this would happen but figured I would ask.
They shouldn't go lean with a dry shot since your relying on the injectors for fuel. With a wet shot, fuel distribution usually isn't perfect across all cylinders, back two tend to be alittle leaner.
Old 05-25-2005, 10:16 PM
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I agree with GM Muscle. There is another reason that #7 always gets blamed, on road racers #7 tends to have detonation because of poor cooling. This more of a problem for the ls6 and often times they add the steam tubes under manifold for cooling, as ls6 doesn't have them.


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