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#1 |
Registered User
![]() Join Date: Dec 2004
Location: Gypsum Kansas 67448
Posts: 1,681
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i need help w/ some pressure
i seem to be getting some unfortunite crankcase pressure,my engine is leaking a liitle bit of oil aound the dipstick tube,anybody have any ideas,it doesn't seem real bad,but a leak is a leak to me,i hate freakin oil leaks,its an after market aluminum stick,but i think the tube is just a chrome one,is that the problem ya think,any help would be appreciated
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21 2500hd duramax 58 apache HILLJOB GRAPHIX--for all your graphic needs My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=542497 LS ENGINE SWAP INFORMATION THREAD http://67-72chevytrucks.com/vboard/s...d.php?t=377348 4l60 to an NP205 http://67-72chevytrucks.com/vboard/s...43#post3697343 |
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#2 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Do you have a PCV deal on one of the valve covers?
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#3 |
Cantankerous Geezer
Join Date: Aug 2002
Location: Bel Aire, KS
Posts: 6,264
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Check your pcv valve by pulling it out and shaking it lengthwise. If it doesn't rattle, it is gummed up and either needs cleaned or replaced.
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Fred There is no such thing as too much cam...just not enough engine. ![]() |
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#4 |
Registered User
![]() Join Date: Dec 2004
Location: Gypsum Kansas 67448
Posts: 1,681
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i have 2 brand new aluminum breathers,any ideas
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21 2500hd duramax 58 apache HILLJOB GRAPHIX--for all your graphic needs My build thread http://67-72chevytrucks.com/vboard/s...d.php?t=542497 LS ENGINE SWAP INFORMATION THREAD http://67-72chevytrucks.com/vboard/s...d.php?t=377348 4l60 to an NP205 http://67-72chevytrucks.com/vboard/s...43#post3697343 |
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#5 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Everbody I have ever heard that used a chrome dipstick tube complained that it leaked. Get a new factory tube.
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#6 |
Registered User
Join Date: Jul 2003
Location: north of Phx AZ about 30 miles
Posts: 698
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Get a factory tube, or a new chrome one and sand the chrome off, them apply some goo (copper silicon, etc) and reinstall. Also, breathers do not eliminate the reason, or the need for a pcv valve. The pcv valve creates a slight negative pressure in the crankcase and thus, keeping the oil in the dipstick tube.
BTW I had the same trouble on a 350.
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Andy,Phx AZ '67 C-10 (Ahhh, done at last. Well there is that disk front end I want to put in and...) "23 C-Cab-sold '48 Ford 8N tractor(still working) '67 Scout(Now on the road) '70 MG B.-sold |
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#7 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Get rid of one of the breathers, and install a PCV set up plumbed to the carb or intake (perferably carb) and I agree on getting the chrome tube outa there too.....then you'll be set.
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