Halftrack engine problems

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emptyhead2
G-Master Sergeant
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Location: Nyack ny

Re: Halftrack engine problems

Post by emptyhead2 » Sun Sep 10, 2017 3:49 pm

Have the engine apart and will pull the valves in a week or two. I pulled the lifters and bleed them then reinstalled them to check the lifter gap, 040 and a couple I couldn't get 0.035 in so I'll have .010 ground off of them and put it all back together. Thanks for thinking and bumping. Will keep you guys posted.

emptyhead2
G-Master Sergeant
G-Master Sergeant
Posts: 101
Joined: Sat Mar 12, 2011 5:21 am
Location: Nyack ny

Re: Halftrack engine problems

Post by emptyhead2 » Sun Dec 03, 2017 3:52 pm

Pulled the valves again after having them ground another .010 and still getting puff of air from the 4,5 and 6 from the intake manifold so valves are still not seating all the way. Lapped them in the second time I pulled the valves out. Just keeping the post going.will let you guys know the outcome. Thanks.

G102
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Re: Halftrack engine problems

Post by G102 » Sun Dec 03, 2017 4:54 pm

If memory serves me correct, I believe the book says something like .080 to 100k.
Are you sure the check value inside the lifter is working correct.?
Gary

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