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comp lifters |
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one bad rambler 
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Joined: Jan/09/2008 Location: On The Island Status: Offline Points: 2007 |
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 Posted: Dec/03/2017 at 3:41pm |
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The only time i have seen the bottom of lifters split is when something bad has happened like a valve seizing in a guide...lifter bottoms are thin....by chance were your lifters returns?....my comp cam was a return...i was just the next victim
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 68 AMX 390 4 Speed,68 American,64 American 2 Door Wagon Altered Wheelbase,78 Concord Build 360,727,8.8
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matty 401
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Joined: Jul/06/2007 Location: Iowa Status: Offline Points: 1727 |
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Posted: Dec/03/2017 at 3:44pm |
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i do not know if it was everything looked new the other 3 that i found 2 had cracks on the bottom other 1 had a crack up the side
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72 matador 401 the beast
79 concord 2 door 72 matador 304 grasshopper 68 Rogue 406 93 Cherokee 4.0 5 speed |
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jpnjim
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Joined: Nov/25/2007 Location: New England Status: Offline Points: 2752 |
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Posted: Dec/03/2017 at 4:50pm |
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Sucks,
 I hope it cleans out ok for you
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71 P-code 4spd Javelin/AMX
some Jeeps and some Fords |
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gremlinsteve
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Joined: Dec/16/2008 Location: houston Status: Offline Points: 884 |
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Posted: Dec/03/2017 at 5:07pm |
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Something doesn't sound right
While I have seen bad lifters. Especially comps I think there might be an underlying issue here Something has apparently happened to cause these cracks It's reminding me of a unfinished cam core. In fact I'm betting that your running a comp cams ground cam And it's cam journals are too wide |
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vinny
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Joined: Jan/05/2012 Location: Calgary Status: Offline Points: 2837 |
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Posted: Dec/03/2017 at 5:13pm |
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I saw something like that on a Norton motorcycle that had a radical cam and they used flat tappets rather than those with a radius. It broke the timing chain though before any other damage was done. But in your case if everything was done the way it should be then it seems obvious something had gone really wrong in the heat treating process. What does the place you got them from say about it?
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matty 401
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Joined: Jul/06/2007 Location: Iowa Status: Offline Points: 1727 |
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Posted: Dec/03/2017 at 7:56pm |
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summit cam not a comp
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72 matador 401 the beast
79 concord 2 door 72 matador 304 grasshopper 68 Rogue 406 93 Cherokee 4.0 5 speed |
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motorhead_1
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Joined: Apr/16/2014 Location: AZ Status: Offline Points: 1007 |
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Posted: Dec/03/2017 at 9:32pm |
summit box, they didn't grind it. who made it for them?
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69 SC/Rambler tribute 401/th400, 68 Rebel SST LSA, 66 F100 460/c6, 88 Merkur Xr4Ti, 71 Jaguar XJ6 LS1, 08 Supercharged Tundra
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matty 401
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Joined: Jul/06/2007 Location: Iowa Status: Offline Points: 1727 |
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Posted: Dec/07/2017 at 2:09pm |
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found a total of 5 lifters that were cracked from 2 with small cracks on the bottom 1 with a crack from the bottom up the side to the oil bleed 1 broke and 1 that came apart and not a word from Comp about them
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72 matador 401 the beast
79 concord 2 door 72 matador 304 grasshopper 68 Rogue 406 93 Cherokee 4.0 5 speed |
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gremlinsteve
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Joined: Dec/16/2008 Location: houston Status: Offline Points: 884 |
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Posted: Dec/07/2017 at 2:32pm |
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Have you found what they where hitting?
Because there is obviously something wrong |
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gremlinsteve
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Joined: Dec/16/2008 Location: houston Status: Offline Points: 884 |
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Posted: Dec/07/2017 at 2:33pm |
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Comp might have you send them back. Red usually knows his stuff good
But don't expect them to cover anything at all |
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matty 401 wrote: