Reply to "Grey Smoke During Deceleration"

The problem might be fixed.

I reinstalled the spark plugs and fired the engine prior to pulling the intake manifold. To my surprise, there was no smoke! As I mentioned earlier, I re-torqued the intake manifold bolts. When doing so, I found the four 5/16 bolts were not very tight while all of the 3/8 bolts were already snug. Tom Monroe's book for the 351C says torque for the 5/16 bolts is 21-25. I have been using 25 pounds and have always thought it was a little light. This time for the re-torque I simply muscled them down until they felt snug.

Spinning the motor for the compression test may have purged excess oil that had been hanging around prior to re-torque of the manifold.

Last Sunday's outing was the most demanding the car has done since the cylinder heads were reinstalled and may have revealed the problem with the under torqued bolts.

This Saturday our club has another event at Hillbanks Motorsports in Irvine and I will be taking the car there. It should be a good test.

10/14/213:48 PM

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