<VV> CRANK TIMING help

[BobHelt at aol.com]

In a message dated 8/25/2008 4:20:59 PM US Mountain Standard Time,  
N2VZD at aol.com writes:

has  anyone used a crank gear offset key to end up with the same results as  
a  
140 pg crank? i know they do it to chevy sixes to get a low end  torque  
sometimes. anyone tell me if its really a bad thing?   how much?   2?  4?
which direction?  i want to get the  best i can out of a 164 engine  with 110 
heads , with a powerglide.  this will go in the rampy. i will be using  the 
otto parts OT10  cam.
this kind of stuff is confusing me now...so if i cant get answers i  may  
just 
go with stock setup and hope for the best.
cheers , tim  colson



Hi Tim,
Please stop and reconsider why Chev used a retarded cam on the 140 w/PG.  You 
do not have that same situation at all so why would you want to use the  key 
for that reason?   And if you should use such a key you should use  it on the 
cam and not on the crank because of the difficulty of, and heavy press  work, 
removing and reinstalling a cam gear.
 
You don't want to retard the cam at all.  Your reason for  advancing the cam 
might be grounded in the fact that stock cams had a built in  advance of about 
5 degrees and IF the Otto cam is ground straight up you  might want to 
duplicate the stock advance. I'm not familiar with the OT10 so  maybe it already has 
the advance built in.
Regards,
Bob Helt



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