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10-16-2008, 12:51 PM
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#1 |
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Registered User
Join Date: Feb 2008
Location: Surprise, Ariz.
Posts: 186
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blue smoke
have recently seen blue smoke coming from exhaust pipes when starting off from a stop. Could this be lifter or rocker arm problem? 350v has only 25k. also have installed a new air cleaner with the top and sides open for more air. k&n joeyt
Last edited by frankyjoet; 10-16-2008 at 12:53 PM. |
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10-16-2008, 01:16 PM
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#2 |
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Georgia Boy
Join Date: Jun 2008
Location: Douglas, Georgia
Posts: 370
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Re: blue smoke
Have you checked the oil level? When was the engine rebuilt? Was it broken in properly?
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81 GMC High Sierra, 2WD, 357ci/700R4, 3.73s, posi. |
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10-16-2008, 01:25 PM
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#3 |
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Registered User
Join Date: Jan 2008
Location: Pensacola Fl
Posts: 270
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Re: blue smoke
At idle you have high vacuum and because of that, you're drawing oil pass the valve guides. Pop your valve covers and make sure you don't have broken pieces of harden rubber stem seals plugging up the drain holes on the heads.
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Gene 
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10-16-2008, 02:08 PM
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#4 |
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Account Suspended
Join Date: Dec 2007
Location: Unnapreciative, Trollville
Posts: 2,079
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Re: blue smoke
Black smoke is too much fuel, blue smoke is oil in the cylinder and white smoke is either condensation, or coolant leaking. Oil's either getting in around the valve seals or the piston rings. I'd bet on the valve seals, but a compression check will tell you if it's the piston rings or not.
Last edited by 78 Chevyrado; 10-16-2008 at 02:08 PM. |
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10-16-2008, 04:42 PM
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#5 | |
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Chevys Kick A$$
Join Date: Jan 2005
Location: Zootown, MT
Posts: 12,699
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Re: blue smoke
Quote:
 Very well put could n't have said it any better myself!
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*HOODS is what I answer too* -'79, '77, '88 Pickup Sold, '85 Camaro, '83 T/A, '81,'83,'90 K5 Blazer All Sold  -'79 3/4 ton "Big Yellow Bananna" Lifted 4spd. 39.5 TSL Swampers, The money Pit   -'86 K5 Blazer Silverado 6.2 4" lift 35"s -'95 Ext. Cab Shorty 4" Tuff Country rolling 35" M/T's -'83 Monte Carlo T-Tops. 126,500 Original Miles -LATER  I would rather push a Chevy then drive a ford!!
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