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Engine repair or swap to LDS?

ldmack3

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N. Central Idaho
Thanks for confirming the bearing direction Rusty.
I found a pic from last year that shows the orientation of the cap based on visible part number. Bearing was actually in the cap 180 out. My mistake.
Today I'll get more brake cleaner and put that back on.
 

rustystud

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Woodinville, Washington

ldmack3

Well-known member
Steel Soldiers Supporter
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1,740
93
Location
N. Central Idaho
Got my heads back. They said no issues with anything other than they had to mill the heads .006"!!
I asked for .001 since I saw no issue using a straight edge but they said it took .006 to get them true.
Limit per the TM is .005. Not sure an extra .001 is an issue but my concern is I was going to go to LDS intake rockers. Open duration is controlled by cam so I'm assuming they would open the valve farther.
Look beautiful but maybe a couple of freeze plugs they didn't replace.

Is this going to be an issue? Should I stick with the LDT rockers?


Edit: If I do install the LDS rockers would the valve lash be the same as an LDT?
 

rustystud

Well-known member
9,280
2,988
113
Location
Woodinville, Washington
Got my heads back. They said no issues with anything other than they had to mill the heads .006"!!
I asked for .001 since I saw no issue using a straight edge but they said it took .006 to get them true.
Limit per the TM is .005. Not sure an extra .001 is an issue but my concern is I was going to go to LDS intake rockers. Open duration is controlled by cam so I'm assuming they would open the valve farther.
Look beautiful but maybe a couple of freeze plugs they didn't replace.

Is this going to be an issue? Should I stick with the LDT rockers?


Edit: If I do install the LDS rockers would the valve lash be the same as an LDT?
Don't worry. You adjust the rockers with the set screw anyway (mechanical lifters) so you will not have valves hitting the pistons. The only problem with shaving the heads to far is manifold alignment. Since this is a straight six cylinder and not a V-8 engine there's no problem here.
 

fleetmech

Well-known member
200
386
63
Location
Connecticut
Before you put the injectors in and get ready for startup, bar the engine over through a number of rotations by hand (the same way you bar for setting the valves). The human arm and bar is a lot slower and less forceful than the starter so any potential clearance issues will stop you dead, and you will know why and where. You shouldn't have clearance issues, but its a great way to know for sure before you crank it for real.
 
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