underdrive pulley question...

fastford3388 · April 10th, 2007, 06:28 PM

Is there really that much of a performance gain with aluminum pulleys as opposed to steel pulleys? I'm looking to get the March Performance pulleys and the steel set is like $55 and the Aluminum set is like $135. Is it really worth the extra money or should i put that money towards somthing else?

-Mike

cobraetti · April 10th, 2007, 07:59 PM

I use the steel pulleys I didn't think there would be a big power difference between the 2

Dave · April 10th, 2007, 08:32 PM

I concur if there is a 10 pound difference it is not worth the 100 bux. Not to mention the steel would be safer, because they will not crack. Aluminum may crack in the long term, due to torque and production defects.

95opal · April 10th, 2007, 08:37 PM

Not worth buying if you don't buy aluminum. Check out ASP pulleys.

homebrewed · April 10th, 2007, 11:32 PM

Less rotational mass, no rust, probably even balanced better... Whats not to like about Aluminum...

fastford3388 · April 11th, 2007, 02:02 AM

Originally Posted by homebrewed

Less rotational mass, no rust, probably even balanced better... Whats not to like about Aluminum...

the price.

homebrewed · April 11th, 2007, 11:48 AM

Originally Posted by fastford3388

Originally Posted by homebrewed

Less rotational mass, no rust, probably even balanced better... Whats not to like about Aluminum...

the price.

In the automotive world, you do get what you pay for... I know. I sold auto parts for nearly half my working career...

fastford3388 · April 11th, 2007, 12:23 PM

So I guess my original question still remains unanswered... Is Aluminum really woth the extra money?? will steel still give me the advertised 12.5 hp gain just as much as aluminum will?

homebrewed · April 11th, 2007, 12:34 PM

Steel will give you the results you are looking for. Yes.

Like most of us on here, we need to make sacrifices and choices. If the aluminum pulleys are within you budget, get them. If not, the steel is a fine choice.

5.slo · April 11th, 2007, 03:24 PM

Originally Posted by fastford3388

So I guess my original question still remains unanswered... Is Aluminum really woth the extra money?? will steel still give me the advertised 12.5 hp gain just as much as aluminum will?

I dont think any pully's are gonna give you 12.5rwhp. I have the steel march pully's and they work fine. You dont feel no power difference but the car will rev quicker giving the illusion of a power gain, you may get 5rwhp depending on your other mods.

April 10th, 2007, 06:28 PM	#1
fastford3388 Regular 1991 Mustang GT Join Date: Feb 2007 Location: Lisle, IL Posts: 367 iTrader: 0 reviews	underdrive pulley question... Is there really that much of a performance gain with aluminum pulleys as opposed to steel pulleys? I'm looking to get the March Performance pulleys and the steel set is like $55 and the Aluminum set is like $135. Is it really worth the extra money or should i put that money towards somthing else? -Mike __________________ - '90 Mustang LX-Sold "Debbie" - '89 Mustang GT- Deceased "Lucy" - '91 Mustang GT-70,000 mi "The Unicorn"

April 10th, 2007, 07:59 PM	#2
cobraetti Regular 2001 svt cobra no way (IRS) Join Date: Aug 2006 Location: goose creek,sc Posts: 304 iTrader: 0 reviews	I use the steel pulleys I didn't think there would be a big power difference between the 2 __________________ Build #1249 MM New Edge Crew Member# 6

April 10th, 2007, 08:37 PM	#4
95opal Hardcore Enthusiast 95 opalfrost gt Join Date: Nov 2006 Location: Connecticut Posts: 1,516 iTrader: 0 reviews	Not worth buying if you don't buy aluminum. Check out ASP pulleys. __________________ 5.0 magazines 94-04 performance mustangs feature car! Fall 2010

April 11th, 2007, 12:23 PM	#8
fastford3388 Regular 1991 Mustang GT Join Date: Feb 2007 Location: Lisle, IL Posts: 367 iTrader: 0 reviews	So I guess my original question still remains unanswered... Is Aluminum really woth the extra money?? will steel still give me the advertised 12.5 hp gain just as much as aluminum will? __________________ - '90 Mustang LX-Sold "Debbie" - '89 Mustang GT- Deceased "Lucy" - '91 Mustang GT-70,000 mi "The Unicorn"

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April 10th, 2007, 08:32 PM	#3
Dave Regular Join Date: Apr 2007 Posts: 62 iTrader: 0 reviews	I concur if there is a 10 pound difference it is not worth the 100 bux. Not to mention the steel would be safer, because they will not crack. Aluminum may crack in the long term, due to torque and production defects.

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