Engine Tick!
Bad news Gizloc, on the VQ, there is nothing easy about the valve work. A simple adjustment will cost you anywhere from $25 - $600 for parts alone. Unlike most the simple older designs the VQ rarely "falls" out of adjustment. It uses sized cam followers ($25 each) to adjust the height of the valve, so unless the valve builds up residue or gets additional play through seat wear the ticking people hear is not likely due to the valves. Also it seems more and more manufacters are going to this design that increases service cost and decreases servicing intervals. Also labor on this item can't be less than 6 hours because the head basically is taken off (minus the actually unbolting of the head).
I've built a few v8's in my day, and when I had solid lifters, I constantly had to adjust the valve clearence. It was the only way to maintain proper valve lash. Switchin over to hydraulic lifters solved that problem by filling up with oil, pushing up on the plunger, and filling the gap. But if you were way out of adjustment, the lifter could still be full of oil and your valve could still be out of adjustment. OK...
On over head cam, the cam lobe sits directly on the top of the valve stem. How does it automatically adjust? Is it possible that the person who did the last valve adjustment screwed up on one of the valves?
googletime
Last edited by Synjn; Apr 22, 2010 at 08:46 PM.
Thread
Thread Starter
Forum
Replies
Last Post
liqalu04
Engine & Drivetrain
31
Jan 2, 2022 12:58 PM
ars88
Zs & Gs For Sale
18
Apr 4, 2016 07:52 AM
