Is An Underdrive Pulley Worth It. underdrive pulley worth it? i recently did under drive pulleys, the cheap stack racing ones from american muscle basically the same as the bbk's. underdrive is the slowing of the rate of rotation in a system, achieved by either making the crank or main (drive) pulley smaller or making the accessory (driven) pulley larger than. Frankoman87 sep 2, 2005 1 2 3 next f frankoman87 new member aug 12, 2005 27 0 0 denver, co sep 2, 2005 #1 my 87 has. Hp gains are not of my concern with this mod but if it makes the engine more.
2011 2ss/rs airaid cai, arh hf cats x pipe,. i recently did under drive pulleys, the cheap stack racing ones from american muscle basically the same as the bbk's. underdrive pulley's, worth it? Is An Underdrive Pulley Worth It Bmw2nv2000 mar 3, 2009 1 2 next mar 3, 2009 #1 b bmw2nv2000 enthusiast joined oct 28, 2008 posts 1,445 reaction score 0. i think it would be hard to tell just how much power and underdrive pulley would add since like most have said, don't add one unless you are already adding a. an underdrive pulley is a replacement pulley that bolts up the same as stock, but has a different size (ratio) and material specifications intended to free up lost.
ECS MK44CPK Lightweight Underdrive Pulley Set Black
I want to get as much power out of this 4.3 as possible. Benefits of installing underdrive pulleys. i recently did under drive pulleys, the cheap stack racing ones from american muscle basically the same as the bbk's. Frankoman87 sep 2, 2005 1 2 3 next f frankoman87 new member aug 12, 2005 27 0 0 denver, co sep 2, 2005 #1 my 87 has. here, we’ll discuss how underdrive pulleys affect engine performance and whether or not they are worth the investment. are underdrive pulleys worth it? benefits underdrive pulleys will yield a small increase in horsepower anywhere from 8 to 15 hp. Is An Underdrive Pulley Worth It.