Bad oil pump?
Thread Starter
Racer
Joined: Sep 2006
Posts: 270
Likes: 1
From: Milford PA
Originally Posted by TrackNoob
Weird.
So on this block:
With this piston:
and this head:
Not only did we miss the mis-match in bore size between block and gasket on the build up, but the flat top piston is also contacting the gasket, and that somehow leads to loss of oil pressure/flow to upper valve train?
In any event, I'm glad you are all fixed up, whether you opted for a replacement oil pump or not. Enjoy!
So on this block:
With this piston:
and this head:
Not only did we miss the mis-match in bore size between block and gasket on the build up, but the flat top piston is also contacting the gasket, and that somehow leads to loss of oil pressure/flow to upper valve train?
In any event, I'm glad you are all fixed up, whether you opted for a replacement oil pump or not. Enjoy!
The piston (yes flat top, at what- .010 out of the hole?) was contacting the gasket at the top of the cylinders, that is what my clattering noise was- I have the gasket here with the wear marks to prove it
. Like I mentioned, it is entirely my fault for missing the gasket issue when putting the head on, but I didn't expect it to be the wrong one from the dealer either. If this had been a complete rebuild where I inspected everything, but it was a quick- yank the head, drop the pan and replace the piston job, so I got lazy with it 
.Joe
Melting Slicks
Joined: Jan 2006
Posts: 2,713
Likes: 0
Originally Posted by kwiktsi
It wasn't an oil flow problem up top, that was my mistake. I am used to a traditional SBC where there is a lot more oil coming out of the pushrods, that made me think there was an oil problem- at the time although that didn't make a lot of sense to me, nothing else did either. I told you guys then- nothing made sense as to why it was doing it. Now it does.
The piston (yes flat top, at what- .010 out of the hole?) was contacting the gasket at the top of the cylinders, that is what my clattering noise was- I have the gasket here with the wear marks to prove it. Like I mentioned, it is entirely my fault for missing the gasket issue when putting the head on, but I didn't expect it to be the wrong one from the dealer either. If this had been a complete rebuild where I inspected everything, but it was a quick- yank the head, drop the pan and replace the piston job, so I got lazy with it .
Joe
The piston (yes flat top, at what- .010 out of the hole?) was contacting the gasket at the top of the cylinders, that is what my clattering noise was- I have the gasket here with the wear marks to prove it
. Like I mentioned, it is entirely my fault for missing the gasket issue when putting the head on, but I didn't expect it to be the wrong one from the dealer either. If this had been a complete rebuild where I inspected everything, but it was a quick- yank the head, drop the pan and replace the piston job, so I got lazy with it .Joe
Thanks for the detail!
Thread Starter
Racer
Joined: Sep 2006
Posts: 270
Likes: 1
From: Milford PA
Originally Posted by TrackNoob
Thanks for the detail!
. I'll hopefully be getting it to the track Sunday and get some times on it, hopefully they'll be pretty good considering the weight of this thing!Joe
