White Smoke Out One Side - Team Camaro Tech
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post #1 of 5 (permalink) Old Sep 7th, 03, 11:03 AM Thread Starter
Join Date: May 2003
Posts: 19

I'm just finishing a restoration on a '67 Camaro with a 327. I built up the engine last winter, but this is the first I've had it running anything beyond just the quick check.

Anyway, I finally took it for my first test drive and one of the exhust pipes is pouring out white smoke. I know that white smoke is water, i.e. coolent. But I don't see any bubbles coming through the raditor and the exhaust is blowing a brownish liquid that looks and feels like oil.

So my question is what does antifreeze look like when it comes out the exhust?


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post #2 of 5 (permalink) Old Sep 7th, 03, 02:31 PM
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Join Date: Mar 2002
Location: Austin, TX, USA
Posts: 5,277

If you've had the engine hot, pull the plugs. It is usually easy to identify a cylinder that is burning water by looking at the plug which will be scoured clean of any combustion residue relative to the others.


68 Coupe, 350 w/ Edelbrock Performer RPM heads, cam, intake, 700R4, Dave's small body HEI
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post #3 of 5 (permalink) Old Sep 8th, 03, 02:58 AM
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Location: Shrewsbury, MA, USA
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Check your transmissions vacuum modulator for a ruptured diaphragm. If the smoke is more grey than white and smells like battery acid then your sucking transmission fluid into your intake from the modulator. If it has no smell, or an antifreeze smell you've got a blown head gasket.

Mark Canning
1969 Indy Pace Car
350/300HP RPO Z11

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post #4 of 5 (permalink) Old Sep 8th, 03, 04:56 AM
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Join Date: May 2002
Location: Birmingham Al
Posts: 147

I had the same problem about three or four years ago. Motor had less than 10,000 miles on it. Pop you hood, pull the oil cap off. Crank the car, put it in gear and give her alittle gas. Mine smoked like a train, Busted rings. Hope this is not the case yours. Good luck
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post #5 of 5 (permalink) Old Sep 9th, 03, 10:20 AM Thread Starter
Join Date: May 2003
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After a little more investigating it has become clear that the motor is blowing oil (low oil level). That convinced me that it must be a ring and that I need to pull the motor out. That has been my greatest fear all along on this restoration.

But, last night just on a whim, I pulled off the valve cover for the smoking side. One rocker arm was very loose and another was completely broken off the stud. When I builtup the motor the only used part I used was rocker arms, so I guess I had that coming.

Anyway, I ordered a rocker arm set from Summitt today and tomorrow with replace all of them.

What a relief!!!!
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