MS4 Cam swap, do I need an underdrive pulley?
#1
MS4 Cam swap, do I need an underdrive pulley?
We're planning to install the MS4 and I've been reading that alot suggest putting a underdrive pulley on but I would like to know if it is absolutely necessary right now. If I dont need it right now that would be great because otherwise since it's so expensive for the pulleys and belts it would set everything back and I still have more things I do have to get for the install
TIA.
TIA.
#3
TECH Apprentice
Join Date: Oct 2005
Location: Kuwait
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it's not necessary, we have a bigger cam/heads in my friends vette and a stock pulley, dynoed about 698 rwhp. but if you want more rwhp ? $260 not alot of money for more power
#7
TECH Senior Member
iTrader: (14)
It'll net you some decent ponies for the price, but it's not necessary, it's just quite convenient to do it while you already have the stock crank off as it's sometimes a PITA to put it on and take it off. If you don't have the money, don't worry about it. It can be done anytime. It's mostly a convenience thing along with "why not, I'm already down there".