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How to install underdrive crank pulley

717 views 3 replies 3 participants last post by  Seba  
#1 ·
Hi guys I has brought the Unorthodox crank pulley but I don't know how to install it. Did anyone know how to install this thing and how hard it would be and one more thing is it said I have to get the GATE belt for alternator and power steering but I couldn't find the place to buy it. You guys have any suggestion for me it would be really helpful because, I really new in this. (Thank you) 4all.:confused:



'97 3000GT SL
 
#2 ·
drive down to purdue university and i will do it for you :)

go to http://www.unorthodoxracing.com/belts.html for a belt size guide.

you will need a belt for the power steering that is a flat belt, 36.5" long and a flat belt that is 42.7" long for the alternator/AC. go to your local parts store and you can pick one of these up. i just went to carquest or pep boys for this part. tell a guy what you need and he should be able to get you the right one.
 
#4 ·
Hey.
I just installed "UR Racing" pulley in my 3K and it gave my engine faster acceleration. Worth every penny I think...
Easy to install though, all You need is 9/16 wrench, set of new belts (alternator and steering belts), 1/2 big ass wrench and about 1.5 hours of Your time.
First remove Your plastic cover that goes behind the left front wheel, then remove Your old belts. Now, Your're ready to replace the pulley.
Put Your car in 5-th gear and pull the hand brake, then insert 1/2 drive into the bolt, which holds the pulley.
It takes lots of force (about 140lbs/in) to get it out, You might have to use Your legs while holding onto something.
After You have it removed just install Your new "UR" pulley and reinstall Your belts and tensioners.
You're all set. Make sure to tight the hell out of the bolt if You don't have access to dyno wrench. I really hope I was at least a bit of help here :) Good Luck