I agree,they're junk,I put a set on mine when I first assembled motor,put it on the dyno,2 froze/locked up on the shaft during warm up,bent a pushrod,broke a lifter...yes,pushrod length was correct.as was oil pressure etc. 
1970 'Cuda,Lime Light,499 Indy S/R's 10.70's @125,street driven ALOT!
1966 Barracuda 360,now a 5spd,Hemi Orange,Hot Rod Air,
New daily driver-2003 Ram 2500 Cummins 5.9
'69 Valiant 2-dr, sleeper!
New project---1938 Dodge truck, plan is a 360 with a A500, AC, Calvert rear susp., rack and pinion front with coils.
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