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PCM

shawnschuldt

shawnschuldt

New member
i was just curious if there is any way to tell if the pcm isnt stock, i got my gtp about a month ago and from what i can tell its got u bend and res delete and i measured it tonight and it looks like a 3.4 but im not 100% because it looks just like a stock pulley
 


nope not when turned off but i did notice they do turn on around 180

and i did measure it on the outside edge it was 3.5 so that was my guess that it was a 3.4 it just looks completely stock, and idk if it matters but performance shift on it doesnt seem like it makes any difference to me
 
shawnschuldt said:
nope not when turned off but i did notice they do turn on around 180

and i did measure it on the outside edge it was 3.5 so that was my guess that it was a 3.4 it just looks completely stock, and idk if it matters but performance shift on it doesnt seem like it makes any difference to me
Click to expand...


You are correct. I believe the pullies are rated for diameter where the belt rides, not the overall diameter. So if you measured an overall dia of 3.5" it sounds probobable that it is referred to as a 3.4" pulley.
 
some companys put a sticker on them saying what Tune it has. When I was doing canned tunes my ZZP pcm came back with ZZP 1.0 SS sticker on it
 


yea ill have to pull it out and see if its got anything on it, its tough trying to figure out what someone has already done to it
 


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