Larger Diameter driveshaft ? Good or Bad???

jakedog

Frequent Racer
Apr 10, 2009
606
0
16
Upstate NY
How much power loss is there from a stock diameter driveshaft to a 4" round nascar style steel ? Are you gonna lose H.P. and or Torque ? Is it that much harder to turn? Just lookin for some input?
 

80montecarlo

Dragway Regular
Apr 24, 2008
1,123
0
0
cloverdale b.c. canada
aluminum or steel, I had a customer who gained 0.2 in the quarter going from a 3.5" x .120" wall shaft to a 3" x .120" wall shaft around 15-20lbs difference in reciprocating mass
 

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