Steeda U/D Pullies

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NewMStang

New Member

Oct 5, 2004

48

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Feb 4, 2009

#1

• Feb 4, 2009

• #1

I was thinking about getting STEEDA U/P set. I've been reading a lot of threads of mixed opinons over whether the mod was worth getting or not. I realize the pros are freeing up h/p and possibly better gas milage, the cons being that the install can f-up your car(if not done correctly, which seems to be quite possible). I was going to have a local shop do the install which I could provide him with the instructions with STEEDA which I think he would follow(he's an honest guy). So ultimately is this mod worth the hassle or should I just get other things like an intake, pendlum, mass air flow sensor, etc... instead?

 

streethorse

15 Year Member

Oct 8, 2005

1,042

6

58

Dallas Texas

Feb 4, 2009

#2

• Feb 4, 2009

• #2

I had the steeda UDP's on my 99, and yeah they do help the car car pull
a bit harder at higher RPM's. But on my 04 I am not adding them cause I
dont race and would rather spend the $ on other things. I had a problem with
my 99 stalling out when I would just be creaping along in drive with my
foot off the gas, like pulling into my gararge or a parking space. On the plus
side they seemed to keep the air conditioner from sucking HP from the motor.

 

Winters98GT

Whoop...whoop-whoop-whoop-whoop...GANGNAM STYLE!!!

Founding Member

Nov 29, 1999

5,520

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H Town

Feb 5, 2009

#3

• Feb 5, 2009

• #3

don't waste your money on the other mods.

The pulleys are worth a solid 5hp and are a breeze to install.

 

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darkside03gt

Member

Feb 19, 2007

851

8

18

Sacramento CA

Feb 5, 2009

#4

• Feb 5, 2009

• #4

It really depends on what your future plans are for the car. If you plan on adding a supercharger later save the $200. If you are going to run nitrous or stay NA I would get them.

 

Pearl02

Member

Nov 27, 2004

496

0

16

Kansas City

Feb 5, 2009

#5

• Feb 5, 2009

• #5

Winters98GT said:

don't waste your money on the other mods.

The pulleys are worth a solid 5hp and are a breeze to install.

Click to expand...

+1. Very easy to install. I had them on my car for almost a yr with no problems. It took me about 45minutes to install them. Follow the instructions and you'll have no problem with them. Not a big gain in power but noticeable. Pearl02.

 

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geaux

New Member

Sep 5, 2003

49

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0

Atlanta GA

Feb 5, 2009

#6

• Feb 5, 2009

• #6

On the plus
side they seemed to keep the air conditioner from sucking HP from the motor.

Click to expand...

How? It has a crank, alternator, water drive pulley. I have a convertible so I don't run the air much anyhow.

I am about to install some Steeda U/D pulleys. I was in your same boat trying to decide between the yea and nay sayers but figured since I am staying N/A they do not hurt. Wouldn't trust the cheaper ones though.

 

streethorse

15 Year Member

Oct 8, 2005

1,042

6

58

Dallas Texas

Feb 5, 2009

#7

• Feb 5, 2009

• #7

I would say the reduced drag from the alt,crank and water pump drives the
AC more effieciently.

 

trinity_gt

10 Year Member

Jan 31, 2003

3,125

81

99

Canada

Feb 5, 2009

#8

• Feb 5, 2009

• #8

It's all about ratios. If you undersize the crank pulley and didn't touch anything else, everything would turn slower. Adjusting the alternator and waterpump pulleys does two things: it ensures adequate charging and water flow and also allows the retention of the factory belt length.

The smaller crank pulley still results in the A/C turning at a slower rate. Since HP equals torque multiplied by RPM, if you slow the A/C compressor down, you reduce the parasitic power loss.

 

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NewMStang

New Member

Oct 5, 2004

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Feb 5, 2009

#9

• Feb 5, 2009

• #9

Has anyone had any issues with thier alternator b/c of these pulleys?

 

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calboss281

New Member

Jan 28, 2009

50

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0

Feb 5, 2009

#10

• Feb 5, 2009

• #10

Get the pullies. Less stress on motor, better in long run.

 

kalvick

Founding Member

Jun 29, 2001

352

8

39

Norwalk, CT

Feb 5, 2009

#11

• Feb 5, 2009

• #11

i had em, i got rid of them. to be honest i didnt notice a power difference before and after, and i didnt notice performance decrease after i got rid of em.

the alternator doesnt charge as much and the headlights can dim at idle.

 

Green&GoldGT

Member

Aug 1, 2005

302

0

17

Virginia

Feb 5, 2009

#12

• Feb 5, 2009

• #12

I've seen some people run UD pulleys, but keep the stock alternator pulley. They claim that the tensioner will pick up the slack, but that's just "some guy's" opinion.

 

281CI96Coupe

Member

Oct 30, 2006

233

0

16

Feb 5, 2009

#13

• Feb 5, 2009

• #13

Steeda pullies are the best. If your car is in tip top shape those pullies wont hinder anything on the motor and actually make it more efficient. It specifically says that your charging will NOT be effected, and your cooling system will be just fine.

 

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RedSaleen2423

New Member

Feb 21, 2008

7

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0

Feb 5, 2009

#14

• Feb 5, 2009

• #14

I've got a Saleen that came with the under-drive pulleys as an option and couldn't be happier. Plus, they look sweet.

 

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NewMStang

New Member

Oct 5, 2004

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Feb 6, 2009

#15

• Feb 6, 2009

• #15

So if I changed all the pullies except for the alternator pulley...everything would work fine and I would still see some gains? I've read about people having issues by not replacing the alternator pulley as i believe the steeda pulley is larger.

 

Winters98GT

Whoop...whoop-whoop-whoop-whoop...GANGNAM STYLE!!!

Founding Member

Nov 29, 1999

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H Town

Feb 6, 2009

#16

• Feb 6, 2009

• #16

you will be fine. I've put 200,000 miles on my cars with underdrive pulleys. No problems. You won't notice a difference.

 

Pearl02

Member

Nov 27, 2004

496

0

16

Kansas City

Feb 6, 2009

#17

• Feb 6, 2009

• #17

NewMStang said:

So if I changed all the pullies except for the alternator pulley...everything would work fine and I would still see some gains? I've read about people having issues by not replacing the alternator pulley as i believe the steeda pulley is larger.

Click to expand...

As I stated earlier, I"ve had no problems with the pullies. I replaced all the pullies. I have no charging or a/c problems at all. Steeda makes the best pullies for Stangs. They will work great with your car. Some people don't like them and they have their reasons. It's up to you to decide. Pearl02.

 

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NewMStang

New Member

Oct 5, 2004

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Feb 6, 2009

#18

• Feb 6, 2009

• #18

Any other thoughts about the alternator pulley?

 

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GettinThere

Member

Jul 29, 2005

553

1

19

Central Texas

Feb 6, 2009

#19

• Feb 6, 2009

• #19

NewMStang said:

So if I changed all the pullies except for the alternator pulley...everything would work fine and I would still see some gains? I've read about people having issues by not replacing the alternator pulley as i believe the steeda pulley is larger.

Click to expand...

I installed the Steeda pulleys, except for the alternator pulley, on my car in 2003. I have had zero issues with them since.

 

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NewMStang

New Member

Oct 5, 2004

48

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0

Feb 6, 2009

#20

• Feb 6, 2009

• #20

GettinThere said:

I installed the Steeda pulleys, except for the alternator pulley, on my car in 2003. I have had zero issues with them since.

Click to expand...

So with that said, you still felt some gains, correct? I just don't want to dish out $200 and feel no gains b/c i decided against installing the alternator pulley.