stock eaton pulleys... new to the termi's

tyler02gt · February 1st, 2012, 10:20 AM

so i am getting a termi around may/june and im looking for a cobra around 50,000 miles or so but the stock eaton will be on it and i just had a few questions to ask?? first. can a 2.75 pulley go on stock eaton to get a 5-6 psi of extra boost. what else can i get to upgrade all pulleys. what are they called?? what can and cant work on the stock eaton but get the most power out of it? thanks

tyler02gt · February 1st, 2012, 10:21 AM

one last thing i forgot. how much rwhp will be gained with the mods ive listed and it will need to be re tuned right ?

termi_GT · February 1st, 2012, 10:49 AM

Anytime you add boost I would suggest a tune. Its just the safest way. A good rule of thumb on boost is for every 1 pound of boost is equal to 8-10 HP.

You can change the upper and lower pulleys on it to get more boost out of the Eaton, but you can go too small and overspin it to where you are actually hurting yourself instead of helping. I myself prefer to just stick with changning the uppers.

A good example on power levels of these cars, my buddies 03' has a 2.76 upper, CAI, midepipe, catback, and tuned it made......446hp/477trq to the wheels. That is about average #'s for the mods.

February 1st, 2012, 10:20 AM	#1
tyler02gt Regular 2002 Mustang GT Join Date: Dec 2010 Location: sterling park,VA Posts: 254 iTrader: 0 reviews	stock eaton pulleys... new to the termi's so i am getting a termi around may/june and im looking for a cobra around 50,000 miles or so but the stock eaton will be on it and i just had a few questions to ask?? first. can a 2.75 pulley go on stock eaton to get a 5-6 psi of extra boost. what else can i get to upgrade all pulleys. what are they called?? what can and cant work on the stock eaton but get the most power out of it? thanks __________________ 2002 mustang gt(AUTO) slp long tube headers slp x-pipe slp exhaust c&l cold-air intake c&l 78mm tthrottle body 3.73's steeda underdrive pulleys 2004 cobra brakes http://www.youtube.com/watch?v=u8eZ1UY0cnk

February 1st, 2012, 10:21 AM	#2
tyler02gt Regular 2002 Mustang GT Join Date: Dec 2010 Location: sterling park,VA Posts: 254 iTrader: 0 reviews	one last thing i forgot. how much rwhp will be gained with the mods ive listed and it will need to be re tuned right ? __________________ 2002 mustang gt(AUTO) slp long tube headers slp x-pipe slp exhaust c&l cold-air intake c&l 78mm tthrottle body 3.73's steeda underdrive pulleys 2004 cobra brakes http://www.youtube.com/watch?v=u8eZ1UY0cnk

February 1st, 2012, 10:49 AM	#3
termi_GT Hardcore Enthusiast 12.41@114 Join Date: Dec 2011 Location: Joplin, MO Posts: 1,320 iTrader: 1 reviews	Anytime you add boost I would suggest a tune. Its just the safest way. A good rule of thumb on boost is for every 1 pound of boost is equal to 8-10 HP. You can change the upper and lower pulleys on it to get more boost out of the Eaton, but you can go too small and overspin it to where you are actually hurting yourself instead of helping. I myself prefer to just stick with changning the uppers. A good example on power levels of these cars, my buddies 03' has a 2.76 upper, CAI, midepipe, catback, and tuned it made......446hp/477trq to the wheels. That is about average #'s for the mods. __________________ MM FOBRA CLUB CO-FOUNDER

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