ops 21 se vs k&b 21

[not2bright]

is the ops .21 side exaust as powerful as a k&b .21? my dad has an ops in a pay n pak and wants to know if it will smoke the other racers

thanks in advanced

 

[Kevin_R_Clark]

Not quite, of course it depends on which K&B you are talking about. These are very old motors. I started out running these to get the feel for the sport. They are very user friendly. Use the OPS pipe, and 40 to 50 percent and it will be fast enough to get you stared in the sport.

 

[not2bright]

my dad bought the engine brand new. but if you mean old design then i dont know if it is.