under-drive pulley belts

hi folks,

just got myself an aftermarket under pulley but realised the belt sizes are different..... can anyone please tell me what belt sizes i now need? i know their slightly smaller....

thanks

johnny

 

i presume you have a t/t from your other posts,if so

Alt: 4PK980
P/s: 4PK890
A/c: 4PK925

 

ta

thanks mate your a legend.....

 

no dramas

heres a question
Would i be right in presuming the only difference to the belts i have listed for a t/t with an udp to an n/a would be the P/s: 4PK890 would be a 3pk

 

NA

3PK865 or 875 from memory.

 

thats interesting,i thought the only difference was 1 was a 3 rib,1 was a 4 rib,is the diameter different between the 2 p/s pulleys Rob ????

 

As stated, having checked notes, those sizes suit NA with UDP.

 

k-zed is correct simon, I have a 3pk895 on mine coz I asked someone who had done a NA PS conversion before and they said use a 3pk895. Its adjusted at full tighness and still loose, will be getting a shorter belt soon.