Quote:
Originally Posted by gtofreek
I'll take pics of the rest of the engine tomorrow. Yesterday I was tired afterwards[it was past 5PM]and covered in oil during disassembly to take any pics. Good news is crank and everything else looks great. Piston skirts don't look like they've even been run except for a couple very light scratches that are barely even noticeable. Piston pins are free and smooth moving. I still need to disassemble piston pins so I can clean and re-lube before reassembly. I might still have that MSD box at work. I have one I keep instruction for timing curves and extra parts in. I wrote Joe's name on his box when it came to me, so I'll know if the one at work was his or not. If so, I'll look at the origin code in the UPC code to see if it originated from China. Maybe that will shed some light on this. I have used at least a dozen of these distributors in other Pontiac builds and have never had an issue with one. We have used countless MSD distributors on many other brand builds also without any issues what-so-ever. So I was shocked to see this in such a short amount of time. It just sucks that Joe has been without the use of his car for a year because of this. Who would have ever guessed this was the cause. I think the reason why it sounded like it was coming from the torque converter area was because the noise coming from the distributor cap was hitting the firewall and traveling down the tranny tunnel and coming out around the tranny. Very deceiving. It was also loud under the hood and everywhere else too, so sound really travels with these deals. Just glad it didn't cause any other damage to the engine.
|
I am glad you found an issue with a true witness mark on the part to verify. Just to clarify above, you mention the noise traveled to the firewall and down to the transmission/torque converter area. You don't mean there is anyway the distributor was contacting the firewall in any way at all do you? That could explain the whole situation. The worn bushing, only hearing it in the car and not on the dyno, the whole thing? Plenty of clearance in the rear around the distributor with the engine installed under all throttle conditions? Again, glad you have a handle on the issue, lots to be learned here.