Mechanics

VALVE SPRINGS & SEALS

1971 Pontiac Trans Am

Engine Mechanical problem
1971 Pontiac Trans Am V8 Two Wheel Drive Automatic

i want to replace my old tired valve springs without removing the heads. What is the best way to do that. I've tried before to hold the valves up by air pressure in the cylinder, but the engine wants to rotate as the piston is forced down. It's an automatic car so it's hard to keep the engine forom turning
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Bduree462
May 28, 2010.



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