Hey i just got my obx underdrive pulley. It is alot smaller then the pulley i got on stock. I was wondering if anyone know a good way to find out the size belts i need to use now. Is there a way to measure or something.

 

try calling obx, i'm sure they have a recommended belt size. not sure how you would find out otherwise, i'm surprised that information wasnt included with the pulley.

 

yea i already contacted them and got no response

 

take a piece of string or wire
wrap it around the two pulleys.
measurer how long it is
asakfor a belt that long with the right # of ribs for your application at the parts store.

 

I agree...when I changed to a smaller pullley, I got a string and went around the both pullies till they met (leave a tad bit rood for slack).then count how many ribs there are in the pulley. go to kragens...they have a belt chart

inches long+rib count= part #.

 

i heard its not good to change the crank pulley on honda's....

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Legendaryyaj &raquo;</TD></TR><TR><TD CLASS="quote">i heard its not good to change the crank pulley on honda's....</TD></TR></TABLE>

It doesnt seem to be good on daily driven cars

 

Yea i know it isnt good for daily driven but im bout to do h22 swap and dont care about my seals on my car now, i just replaced them all recently. LET THE OIL LEAK

 

i ahve been daily driving for over 6 months with a UR crank pulley....great power adder. i have the tiny race only one that only drives the alternator its soemthing like 12 oz or so. ill be sure to ake pics of the bearings when i pull the engine apart in a year or so.
i also runno balance shaft belts as well.

 

any seals leaking yet