What's wrong with this engine picture?
Thread Starter
Pro
Joined: Jan 2002
Posts: 624
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From: Marietta ga
What's wrong with this engine picture?
In the middle of checking valve to piston clearance on a 350 I noticed something a bit strange...
On a side note, valve to piston clearance was about .250" when checked parallel to the valve stem. When checking the clay depth at an angle it was much less. Unless the valve develops radial slop, I think the motor will be ok.
Alright, now to the fun stuff. What is wrong with these pictures? Look close. The winner's prize is fame and glory.
On a side note, valve to piston clearance was about .250" when checked parallel to the valve stem. When checking the clay depth at an angle it was much less. Unless the valve develops radial slop, I think the motor will be ok.
Alright, now to the fun stuff. What is wrong with these pictures? Look close. The winner's prize is fame and glory.
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Thread Starter
Pro
Joined: Jan 2002
Posts: 624
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From: Marietta ga
So the real question is what now? Obviously this isn't correct, but the motor ran well and has plenty of valve to piston clearance as it sits.
What am I gaining by correcting this? - I would do new rings, bearings, and machine work if necessary during the piston swap. So there is some cost involved.
What am I loosing by leaving the bottom end this way?
Thoughts please
What am I gaining by correcting this? - I would do new rings, bearings, and machine work if necessary during the piston swap. So there is some cost involved.
What am I loosing by leaving the bottom end this way?
Thoughts please
Drifting
Joined: Oct 2003
Posts: 1,405
Likes: 4
From: Lorena Texas
So the real question is what now? Obviously this isn't correct, but the motor ran well and has plenty of valve to piston clearance as it sits.
What am I gaining by correcting this? - I would do new rings, bearings, and machine work if necessary during the piston swap. So there is some cost involved.
What am I loosing by leaving the bottom end this way?
Thoughts please
What am I gaining by correcting this? - I would do new rings, bearings, and machine work if necessary during the piston swap. So there is some cost involved.
What am I loosing by leaving the bottom end this way?
Thoughts please
Pro
Joined: Apr 2008
Posts: 596
Likes: 6
From: Irving Texas
Not only that.....but its possible the rod taper (the side facing the crank chamfer) was placed incorrectly(backwards).
Look at it as a sign from God........time to rebuild the short block. Total cost for someone else to build it right with your parts.......about $500 in Dallas, TX.
Look at it as a sign from God........time to rebuild the short block. Total cost for someone else to build it right with your parts.......about $500 in Dallas, TX.
Thread Starter
Pro
Joined: Jan 2002
Posts: 624
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From: Marietta ga
My first reaction was "yank it out!" It just feels dirty and wrong.. yuck! On the other hand, the motor ran well as is.
Thread Starter
Pro
Joined: Jan 2002
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From: Marietta ga
Le Mans Master
Joined: Jan 2006
Posts: 6,506
Likes: 139
From: Butler Pa
Not only that.....but its possible the rod taper (the side facing the crank chamfer) was placed incorrectly(backwards).
Look at it as a sign from God........time to rebuild the short block. Total cost for someone else to build it right with your parts.......about $500 in Dallas, TX.
Look at it as a sign from God........time to rebuild the short block. Total cost for someone else to build it right with your parts.......about $500 in Dallas, TX.
Melting Slicks
Joined: Mar 2009
Posts: 3,126
Likes: 15
Also possible that the rods are in proper place but have incorrect piston on them. I had to pull and correct a 396 one time because the guys put the drivers side pistons in upside down. They could not figure out why it would not turn one complete revoultion. good luck with it, mike...
P. S. when can I expect my fame and glory?
P. S. when can I expect my fame and glory?
Thread Starter
Pro
Joined: Jan 2002
Posts: 624
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From: Marietta ga
Also possible that the rods are in proper place but have incorrect piston on them. I had to pull and correct a 396 one time because the guys put the drivers side pistons in upside down. They could not figure out why it would not turn one complete revoultion. good luck with it, mike...
P. S. when can I expect my fame and glory?
P. S. when can I expect my fame and glory?
