mercredi 2 avril 2014

Bent Valve and timing

Hey guys

Ive had this problem twice now.

For some reason the engine keeps bending a valve on cylinder 2.

I had this problem occur before and we took the head off and replaced it.

Timing was done by camshaft markings and using the camshaft lock bar.

We recently finished replacing the valve and made sure everything was in place.

We hand cranked the engine with timing all set and each revolution was clear of any dings. Started the car last night and it ran perfect. Test drove it today and it drove perfect...until we drove uphill on the way home I heard a ding, pulled into the driveway and the dinging would sound and stop continuously. Also to add the lifters were all replaced with new ones. After the dings it started to run shaky and started sounding like a misfire. We did a compression test and the car bent the new valve on cylinder #2 again!!

Any suggestions?




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