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Im looking for a 3.85 procharger pulley with standard offset May consider a 3.9 pulley but ultimately 3.85 shipped to PHX AZ, can buy new but looking to see if someone has one laying around and looking for extra money

I'm about to pulley down, i am at 13lbs at the moment on a 4.13 and i am about to go into a 3.85 or 3.9 , im assuming might put me at 16lbs anyone else run 16 psi and for how long? p1x stg 2 btw

I am looking to get my Gen 2 coyote auto car, P1x, catless LTH, Fore Dual pump Id1050x, ported 18 manifold car into the 850's or so. i have looked in MULTIPLE threads from multiple years and everyone says they make this much and that much with a a specific pulley. some people say 4.5 gives them...

Im looking to get a built engine.. my goal is 1100.00 i understand sleeving the block is recommended for 1000hp+ however i'm not trying to spend an absurd amount.. Goal is to sell my stock short block once this engine is finalized. I AM BY NO MEANS AN EXPERT NOR EVEN REMOTELY CLOSE TO...

So based off my tuner the car is running lean, i pullied down but was advised tune works for all pullies through E85, anyways i was advised one of my pumps may not be working.. if one of the pumps is out wouldn't it not allow the car to crank over or feel super sluggish? Fuel system is recently...

My 15' 5.0 is seeing about 12 lbs on a 4.13 pulley it is a P1X with Fore level 3 dual pump kit stock 15 mani, with Catless LTH. it is rev'd out to 7500 rpms and well to me the car is running very strong but shouldnt i be seeing 14lbs-15?

I have stage 2 2015 GT on p1x and want to know experiences on the 4.13 or 4.25 pulley, number possibly and or boost (i understand all cars run different).

So im new to Building an engine and where to get started, I am currently Supercharged making a decent bit of power. I have my stock engine at the moment with OPG and Crank Sprocket. My goal is to have an engine capable of 1200hp+ reason being i rather be safe than sorry not because i'll be...

Anyone know if K080660HD belt will fit a 15 gt with P1X procharger 4.38 pulley with stock crank pulley?

I had a dreaded vibration i couldn't get to stop.. it was 55+ mph and i assumed it was driveshaft related due to a large 200+ page well i change the driveshaft to a one piece and it continues.. its a rhythmic vibration, putting a cup of water it would only shake once per second and increase...

So i am having vibration in my 2015 mustang gt, it is on steering wheel and seat, starts at 45 and gets worse as speeds increase. I have a one piece driveshaft now, and it hasn't changed anything, i am on stock suspension, other than my next suspicion is bad alignment or axles (i have a DSS...

Hello, so i have an auto procharged P1X on 9 lbs on 91 with LTH as well as axles, fuel system for E85 will be added next week. My vehicle feels "heavy" i i know it sounds dumb. Any one have any suspension idea's that can help in stiffness/cornering/ but can fit 305 45 17 drag radials? I want to...

Vibration towards the drivers side. I have done just about everything i can think of and im ready to give up. I am having a vibration/bog noise that i can't seem to find out what it is. tensioner has been replaced, i upgraded to an ati balancer, with ati crank pulley, i upgraded oil pump gears...

So my buddies car is a little different, a stage 2 the tensioner looks loose to me, it is a P1X but mine has 3 lines it has to be in between these two lines preferably around the center which is 40-60% tightened correct? So this is loose on this procharger.

I have had an ongoing issue that i want to put out there for anyone that is having vibration/scraping issues. My procharger was vibrating sounding unusual, i assumed something was wrong with the head unit because i took it to a shop and said the unit may be messed up. I sent the unit to...

So i have a set of stainless works headers that i want to install, off road headers... the problem im running across is retuning.. a shop basically broke my ngauge and they are ordering a new one so i can't datalog to retune, is it okay if i get them installed with the p1x im on without a retune?

I have been having issues with my procharger for a couple days now, havent driven the car since then but basically the procharger is having scraping like noises as well as some clicking when i spin the pulley, this is my first ever power adder so is it supposed to spin that easily as if it were...

I have been having issues with my procharger for a couple days now, havent driven the car since then but basically the procharger is having scraping like noises as well as some clicking when i spin the pulley, this is my first ever power adder so is it supposed to spin that easily as if it were...

So im getting an unusual rubbing type of noise that the car is making inbetween the procharger and the engine, when i drive it also feels different, i can notice the difference. Any clues? I check the belt and nothing i just tightened the harmonic balancer bolt, it sounds worse around 60+ on highway

I need assistance ASAP, i am installing halfshafts but the passenger side does not want to go in whatsoever it leave like 1/8th of an inch and the right side is fine. Anyone know how to push it all the way in?