Smoke only at start up
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Junior Member
Joined: Apr 2012
Posts: 5
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From: NY Metro Area
Car: 87 Iroc Z, hard top
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 2.73 or 3.23, not sure...
Smoke only at start up
1987 Camaro IROC-Z, 157,000 miles, 305 TPI.
She starts right up. No hesitation at all. Plugs, cap, rotor, wires, fluids, etc are all new. But...I get a huge puff of smoke out of the tail pipes when I start the car, then it goes away. Here is the odd thing...some times its white and some times is blue/white and smells. Nothing is leaking under the car.
This only happends when the car is cold. If I drive it around, park it for a little while, then re-start there is no smoke.
Just an old enigine or a real problem?
She starts right up. No hesitation at all. Plugs, cap, rotor, wires, fluids, etc are all new. But...I get a huge puff of smoke out of the tail pipes when I start the car, then it goes away. Here is the odd thing...some times its white and some times is blue/white and smells. Nothing is leaking under the car.
This only happends when the car is cold. If I drive it around, park it for a little while, then re-start there is no smoke.
Just an old enigine or a real problem?
Supreme Member
Joined: Jul 2011
Posts: 2,529
Likes: 0
Re: Smoke only at start up
A very high percentage it's valve seals.I like to do the job right and although you can replace the seals with the heads on,I prefer to remove the heads for a complete valve job checking the valve guides at the sametime.
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