Dennis Pendleton wrote:
>
> Anyone out there using power pulleys?
>
> What kind of gains do they really provide?
>
> Are there any drawbacks?
They don't make pulleys for the R/T. The water pump pulley is pressed
on instead of bolted on. They will work on a 318 though. I did some
asking around at the track, most people just use the crank pulley. The
alt/water pump are trouble on the street. The motor overheats and the
alternator undercharges. On top of that, of the 15 or so hp you get from
underdrive pulleys, about 8 comes from the crank pulley. Only a couple
hp in each accessory. So if you go with pulleys, just use the crank.
Alan S.
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