• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Vince

Vincent1965

New member
hello everyone, i have a 98 Gtp 4D sedan with a sounds like a upper knock that goes away at 35 mph,just had water pump and all related gaskets changed any advice or suggestions?
 


How many miles and has the lower intake manifold gasket been changed?

Does it do it at a specific rpm in all the gears?
 
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