98stangv6
10-07-2014, 08:59 PM
Engine is 89 302 HO, GT40p heads, bee hive springs, TFS1 cam, 1.6 scorpion pedestal mount roller rockers. The car almost sounds like it has solid lifters. I used the stock lifters and pushrods when I reassembled everything. I have driven the car a few hundred miles and made about 10 passes without any catastrophic failure, but something just isn't right. I thought for sure the noise would be the pushrods.
I pulled a few out tonight and they looked fine. I put some black marker on the valve stem tips, torqued the rockers back down to 20ft pounds, rolled the engine over a few times, and pulled them back off. The wear mark was perfectly in the center of the valve stem tip. So now I'm stumped. :confused:
Next thought would be a bad lifter? Is that common and how would you tell? Any ideas?
I pulled a few out tonight and they looked fine. I put some black marker on the valve stem tips, torqued the rockers back down to 20ft pounds, rolled the engine over a few times, and pulled them back off. The wear mark was perfectly in the center of the valve stem tip. So now I'm stumped. :confused:
Next thought would be a bad lifter? Is that common and how would you tell? Any ideas?