What size belt would you use if you had a 6lb lower crank pulley system and a 3.20 upper pulley? What about a 4lb lower crank pulley and a 3.20 upper pulley? Terry, got any suggestions? Thanks 
What size belt?
- Thread starter SVTVenom
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matt lankford
all is sold
im using a 77 3/4 with a 6 lower and 3.10 upper
What kind of power are you making with that setup? Do you have good belt wrap/no slippage?
matt lankford
all is sold
tiny tiny bit of dust in there, may be from old belt with stock upper. it was a 79 inch and was too loose. i should be making a shit load of power, waiting on my exaust and free accufab tb to dyno it
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