Steeda pullie set, *rwhp gain + help in quarter mile*?

[Sharp07GT]

I picked up 12 rwhp just by installing thr Steeda Pullies.

 

[JeremyH]

I picked up 12 rwhp just by installing thr Steeda Pullies.

Cough bs cough cough lol

 

[TurboX]

Dunno.



No, there would be less power. The more energy you use to spin a smaller pulley means less energy available to get through the rest of the drive train to the wheels.

Say Bro, you are incorrect here. Whats easier to push a tractor tire or a automobile tire ? The smaller tire is easier, same principle as lower rear gears. Now by putting a bigger waterpump pulley, you maintain are overdriving the waterpump to keep same impellar speed that you had before you put the smaller pulley on the crank.


You need to think of the pulley system as the same as your mountain bike. Smaller on the pedal sprocket means lower gear and easier to pedal, smaller on wheel sprocket and harder to pedal.

Underdrive pulleys are always a great mod, 5-10RWHP across your entire rpm range is better than 20RWHP at peak.

 

[craven]

Say Bro, you are incorrect here. Whats easier to push a tractor tire or a automobile tire ? The smaller tire is easier, same principle as lower rear gears. Now by putting a bigger waterpump pulley, you maintain are overdriving the waterpump to keep same impellar speed that you had before you put the smaller pulley on the crank.


You need to think of the pulley system as the same as your mountain bike. Smaller on the pedal sprocket means lower gear and easier to pedal, smaller on wheel sprocket and harder to pedal.

Underdrive pulleys are always a great mod, 5-10RWHP across your entire rpm range is better than 20RWHP at peak.

well said

 

[Cali HP Addict]

4 pages about UDP's??? Y'all R CRAZY!

 

[xtweakerx]

4 pages about UDP's??? Y'all R CRAZY!

Hahahahaha...

 

[RedFire07GT]

I picked up 12 rwhp just by installing thr Steeda Pullies.

12rwhp?!?!?!? no wayyyyyy. When i put mine in and a BMR Rad Support i didnt even notice a difference.

 

[RED09GT]

so if i put my stock water pump pulley back on, there will be more power? of course i will need a shorter belt but is it worth it?

No, there would be less power. The more energy you use to spin a smaller pulley means less energy available to get through the rest of the drive train to the wheels.

Agreed, the larger water pump pulley is easier to turn and will turn less revolutions per crank rotation

Say Bro, you are incorrect here. Whats easier to push a tractor tire or a automobile tire ? The smaller tire is easier, same principle as lower rear gears. Now by putting a bigger waterpump pulley, you maintain are overdriving the waterpump to keep same impellar speed that you had before you put the smaller pulley on the crank.


You need to think of the pulley system as the same as your mountain bike. Smaller on the pedal sprocket means lower gear and easier to pedal, smaller on wheel sprocket and harder to pedal.

Underdrive pulleys are always a great mod, 5-10RWHP across your entire rpm range is better than 20RWHP at peak.

With the larger water pump pulley you are not maintaining the same impeller speed. Since the water pump pulley (the wheel of the mountain bike from your analogy) is being turned by the crank pulley (Pedal sprocket from your analogy) a larger pulley on the water pump will result in a smaller amount of rotation per crank revolution.
You are correct that an automobile tire is easier to push than a tractor tire but do remember that the crank pulley is the tire in question. The larger water pump pulley makes it easier to turn so Mr. Roper was right in the first place.