Pushrod Problems
New member here. Electrician by trade, but it has been 25 years since I have done anything other than minor engine work. My problem is that once I fixed the electrical wiring for the gauges and lights I took it out for a drive and about a mile in the tab on the rotor broke off under the distributor cap and there was some awful sounds (picture of rotor below). Since it was still a points ignition system I ordered the mopar electronic replacement ignition/ distributer from classic industries, installed it and then had a bad backfiring problem through the carb. After resetting the timing several times and doing a compression test I then pulled off the valve covers to find the #4 cylinder exhaust push road was mushroomed on the top and the #2 cylinder exhaust pushrod also had a piece ground off of it (pictures below). I was able to pull out the small cup for one pushrod and also find the broken piece of the other and remove them from the head. 71 Duster with a replacement 340 that I do not have any info on regarding the build.
It looks like Summit has the replacement pushrods but I have the following questions:
How do I know if this is the correct pushrods for the rocker arms installed?
Should the rocker arms be adjustable locking rockers?
How do I set the lash on these once the new pushrods are installed?
Any additional parts that I should purchase with the pushrods?
Thanks for any advice
New member here. Electrician by trade, but it has been 25 years since I have done anything other than minor engine work. My problem is that once I fixed the electrical wiring for the gauges and lights I took it out for a drive and about a mile in the tab on the rotor broke off under the distributor cap and there was some awful sounds (picture of rotor below). Since it was still a points ignition system I ordered the mopar electronic replacement ignition/ distributer from classic industries, installed it and then had a bad backfiring problem through the carb. After resetting the timing several times and doing a compression test I then pulled off the valve covers to find the #4 cylinder exhaust push road was mushroomed on the top and the #2 cylinder exhaust pushrod also had a piece ground off of it (pictures below). I was able to pull out the small cup for one pushrod and also find the broken piece of the other and remove them from the head. 71 Duster with a replacement 340 that I do not have any info on regarding the build.
It looks like Summit has the replacement pushrods but I have the following questions:
How do I know if this is the correct pushrods for the rocker arms installed?
Should the rocker arms be adjustable locking rockers?
How do I set the lash on these once the new pushrods are installed?
Any additional parts that I should purchase with the pushrods?
Thanks for any advice