what tpye of underdrive pulleys do you guys reccomend? i got a little bit of money and was looking at them because i need to change the belt and figured i oculd go the extra mile. i am also getting msd ignition box manual fan switch and headers just not sure wich headers yet

 

Dont waste your money Use the extra money to buy more beer for installing the headers

 

i'd look into marche they are the most well known i think

although ASP makes the highest underdrive at 34% or something, i think marche is only 25%

in reality you'll probably only gain 2hp or so in peak power and maybe 10lbs of torque, but here is a gain over the entire rpm band as well....

 

im just looking at the little bolt ons right now once i get all of those then i will look into a cam and heads so again every bit helps

 

i had march on old LT1, they worked fine, no charging problems

 

I have the ASP crank pulley balancer combo....been on the car for 10 years with no complaints...5-9 rwhp...a little hp here...a little there...every little bit helps...that car length may be the difference when you're racing that Cobra....
--Alan

 

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