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11/16/2021 10:32 AM  #26


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

Nos681 wrote:

Have you checked the diameter of the lifters to their respective bores?

Perhaps….
At higher rpms, more oil can pump up the lifters to lessen the clatter.
To me, it never goes away in first video.

Perhaps more stuff made it’s way inside the lifters.

This is something else to consider.  Lifter clearances are also pretty tight.  I remember hearing a conversation at my local machine shop a couple years back about this exact issue on a SBF.  The lifters were undersized by the tiniest fraction, but it caused noise issues.  Where I don't think this may be your issue is that I believe the subject of that conversation was also having low oil pressure, and I don't see how reducing airflow helps a lifter to bore fitment issue. 

 

11/18/2021 3:21 PM  #27


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

I'm giving up trying to find the issue.  I am going to finish taring the block down and then I am going to do what I should have done in the begining.  The block is headed to the machibe shop to be machined .030" over.  When I get it back I will order a 393 stroker kit and put it all back together.  Most Galaxies came with 390s so I think the 393 will be about right.

     Thread Starter
 

11/18/2021 4:12 PM  #28


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

Do ya need some feathers with your tar?

Bummer about finding the noise…although the stroker does sound interesting.

 

11/18/2021 6:08 PM  #29


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

So......the conclusion is the noise is crank assembly or piston issues?!
6s6


Get busy Liv'in or get busy Die'n....Host of the 2020 Bash at the Beach/The only Bash that got cancelled  )8
 

11/18/2021 6:17 PM  #30


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

Was this the first engine you ran on this test stand?
 


"If you think you can do a thing or think you can't do a thing, you're right."     Henry Ford
 

11/18/2021 6:33 PM  #31


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

Daze wrote:

I'm giving up trying to find the issue.  I am going to finish taring the block down and then I am going to do what I should have done in the begining.  The block is headed to the machibe shop to be machined .030" over.  When I get it back I will order a 393 stroker kit and put it all back together.  Most Galaxies came with 390s so I think the 393 will be about right.

Stuff like this is why I always do a full tear down and rebuild.  My time's just worth too much anymore.  I've never been unhappy with a stroker...

 

11/19/2021 8:50 AM  #32


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

Daze, I know you've given up on this but a thought came to mind the cam retainer plate behind the timing gear.


I made enough money to buy Miami, but pissed it away so fast
 

11/19/2021 9:11 AM  #33


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

bulletbirdman wrote:

Daze, I know you've given up on this but a thought came to mind the cam retainer plate behind the timing gear.

What about it?

     Thread Starter
 

11/19/2021 9:12 AM  #34


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

Alan wrote:

Was this the first engine you ran on this test stand?
 

No I have run another 351w on the run stand with out issues.

     Thread Starter
 

11/19/2021 9:39 AM  #35


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

Daze wrote:

bulletbirdman wrote:

Daze, I know you've given up on this but a thought came to mind the cam retainer plate behind the timing gear.

What about it?

I think he was saying possibly hitting the timing gear, of allowing the cam to move forward enough to hit the timing cover.  Yet I don't think it would disappear at higher RPM.
 

 

11/19/2021 10:13 AM  #36


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

Align bore it and deck the block, as well. This is the one from the fire, right?

Did the cam spin freely when installed?  Cam is always the VERY FIRST THING I install.


Money you enjoy wasting is NOT wasted money... unless your wife finds out.
 

11/19/2021 10:59 AM  #37


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

MS wrote:

Align bore it and deck the block, as well. This is the one from the fire, right?

Did the cam spin freely when installed?  Cam is always the VERY FIRST THING I install.

It wasn’t a fire, it was run with no oil and melted the cam bearings. rest of the bearings were fine. Once I put in new cam bearings the cam slipped in no issue and spun freely.

     Thread Starter
 

11/19/2021 11:08 AM  #38


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

MS wrote:

Align bore it and deck the block, as well. This is the one from the fire, right?

Did the cam spin freely when installed? Cam is always the VERY FIRST THING I install.

Me too.  I've never understood why anyone would wait to install the cam.  If you install it first you can guide it into the bearings from inside the crankcase.  This whole business of using handle or long bolt just seemed stupid unless you were swapping a cam in an already built engine. 
 

 

11/28/2021 12:41 AM  #39


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

There’s some great inspection information in this video.
Perhaps it may help find the problem.

https://youtu.be/u5imUfO-S8w

 

11/28/2021 5:14 PM  #40


Re: Disassembly of a fresh rebuild is fascinating, wrist pain issue help?

I would be darn sure to rod out ALL the oil passages in the block. If it had melted cam bearing material in there, it could be plugging up an oil passage.


Money you enjoy wasting is NOT wasted money... unless your wife finds out.
 

Board footera


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