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Old 03-10-2004, 03:53 PM   #1
Hozer 88GTConv
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Join Date: Feb 2002
Location: Jacksonville, FL
Posts: 706
Default Loud knock after head rebuild

Damn,
Just on start up, a loud knock was coming from the front of the motor. Presumably from the valvetrain.

I just took all of the roller rockers of again, checked the pushrods, and am now going to readjust the valves. I set them with the lower intake manifold off so I could see that the lifters were down indicating the valves were closed and I followed the order in the book.

Also, when I took the upper intake off I noticed a puddle of water around the number one runner. I am going to pull the plug and inspect it to make sure that it was just residual stuff.

Any other possibilities?

Thanks.

Again, it was a loud knocking, the car idles right were it should, but I only let it run twice for about 10-15 seconds. I put half a quart of oil over each valvetrain after the buildup.
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1988 GT Convertible
331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta...
One week with new motor, two speeding tickets...joy
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