pulley what?

yes there are differences. Especially in the material used to MAKE the pulleys (you dont want something cheap that will bend over time, or rust, ect.), and whether or not the pullies are PIGGYBACK STYLE (YUCK). Piggyback style means the crank underdrive pulley is bolted onto the stock crank pulley. It's weaker, and it's a pretty pain in the ass (i think you have to like, boil, the underdrive crank pulley so it'll fit better, i read that somewhere?? yuck.) Steeda's pulleys ARE NOT piggyback style, and are pretty much the best. MARCH's pulleys are poop, and so are BBK's. and yes, I'm prepared to get flamed for saying that.

I have an 02 GT, and I don't know the differences between the 99 cobra versus 02 GT pullies, but, for me, the install was hard. Why? Because I attempted to do it without the right tools. (i felt like a monkey ****ing a football). Unless you have all the right tools, dont bother, it's going to be more trouble than it's worth (you could just take it to a mechanics shop and have them slap the pully's on no problem for pretty cheap). Once I bought everything needed to install the pullies, though, the install was insanely easy and I had NO problems. It was easy even though I had an auto trans (you can just throw the car into 5th gear, I HAD TO HOLD THE TORQUE CONVERTER! )

Don't attempt to install them without an air compressor, a decently powerful torque wrench (mine's 375ft./lbs) and a pulley puller or harmonic balancer puller (cheap to buy at sears or something). You'll also need high temp. gasket maker to seal the keyway slot in the crank pulley so you dont get a small oil leak. Of course you'll need a standard rachet/sockets, too. If I'm forgetting anything, someone remind me.

As far as differences? I felt nothin'. I'm sure there was some sort of gain, but I didnt feel anything. And I've had no problems with overheating, lights flickering/dimming, ect. And I have run full A/C blast, full stereo blast, with the headlights on. No problem. But, since I didnt feel any gains, and I'll be going back to the stock crank pulley soon enough (for soon coming supercharger) I do feel like i wasted money.

I have the Steedas - reson I bought them was because I also bought their matching timing adjuster. The two work together. The local shop, All Mustang Performance, was very competitive on pricing so I bought mine there. Have you tried your local Go-Fast shop to see if they can be competitive? Guys, give your local dealers the chance to earn your business before shopping eBay. Think about what would happen to the community you live in if everyone bought everything they wanted on-line just because they got a better price.

Like mentioned, in all my days at StangNet, I've never heard of any gains from undriven pulleys. Therefore, I'll NEVER waste my money on them.

70stangcoupe said:

Like mentioned, in all my days at StangNet, I've never heard of any gains from undriven pulleys. Therefore, I'll NEVER waste my money on them.

Click to expand...

well I didnt get a dyno for proof, but take it from my unbiased opinion, I didnt feel anything...

on another note, dmacman brought up a good point... Steeda's pulley's work with steeda's really useful timing adjustor. Now THAT do-hickey is worth the purchase

i was heard that they are a VERY last resort to squeezing everything out NA possible. For the money, and from ure sig, I would put that money towards a cat back. Did u decide to not sell ure car?

ya save the money for something else.

im gonna sell/give-away my mac piggyback pullies cuz i dont want to risk any problems with my crank.

MY Cobra said:

lol well i think if you are gonna give yours away and peopel that have them say they do not see any gain then why have them? Do they do anything? It syas they release 25% of the "Stress" on the engine. i see that a lot of peopel have them but nobody likes them then why do so many peopel have them? lol

Click to expand...

they are something to add to their mod list, looks good on paper