[Fot] fot crank cross drilling

[DSPGTi at aol.com]

I believe a stock TR4 crank has one hole drilled thru the crank journal  that 
carries the oil from the main bearing housings into the crank and passes to  
each rod journal. The stock crank has one set of cross drill holes in the rod  
journals to carry the oil out to the rod bearings plus a second set, what we 
are  refering to as "cross drilled" at 90 degrees of each other.
 
Moldex is recommending just single passages on each journal. We think two  on 
the rods and maybe the mains as well? Rich thinks a stock crank has a very  
small set of holes in the mains but we don't have a crank in our hands right 
now  to look and confirm.
 
Am I making it clear now?




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