Steeda Underdrive Pulleys becoming Hens teeth?

[Blackmobile]

I was checking the price of Steeda underdrive pulleys on their site and noticed this footnote to the U/D we use.

'03 Mach 1 doesnt use alternator pulley. Crankshaft U/D pulleys in very limited surplus, order now while supplies last.

here's the link:
http://www.steeda.com/products/steeda_4.6L_underdrive_pulleys .php

Anyone else hear anything about this?

[Raudermaster]

That's odd. I wonder why they're scarce?

[Pops]

So what is a used set worth Ed?

[Blackmobile]

So what is a used set worth Ed?

Your question is the reason for me looking it up.
I do miss the snapping of the neck effect, which is different from the breaking of the neck and head rolling off into the back seat effect I have now.

This can be the heads up tread, because I'll be putting my U/D's up for sale this evening, but I have to give my local MM brethren a chance at them tonight at the Towers meet. But I think everyone down here has them already, but I'll see and let you know.

Ed

[Professor]

Do they really make that much of a difference?

[Blackened300a]

Do they really make that much of a difference?


Every little bit helps. I think they made a difference in my car

[RF Overlord]

Professor, while the improvement offered by U/D pulleys is definitely noticeable, it's not a huge "OMG" difference. What happens is that the motor seems to spool up quicker, or feels "looser", for lack of a better word. For the cost, they are a good value mod, especially when combined with other small mods, like the PHP intake spacer for instance...

[Bobmiddle]

I am in the market for a set. So let me know if they are for sale

[FordNut]

They're good for 10-12 rwhp.

[ts-pa]

Is it true that under drive pulleys cannot be used with power adders?

[Blackened300a]

Is it true that under drive pulleys cannot be used with power adders?

It is true, you will underdrive your S/C. You can use them with nitrous and a turbo set-up

[FordNut]

Not exactly.

I had a Romak crank pulley with my ProCharger. It is about 5/8" smaller than the stock Marauder pulley. It worked fine.

[RF Overlord]

Is it true that under drive pulleys cannot be used with power adders?It's not a matter of "cannot"...it's because you won't get the full benefit of a blower if you drive it at lower speed. It would be like putting race gas in your tank, then setting the tune for 87 octane...you CAN, but why WOULD you?

[FordNut]

Bigger blower (D1SC), smaller crank pulley worked fine, gave me 15 psi with a great big 3.90" pulley on the SC.

[J D]

well that notice has been up there for as long as I've been here when I first heard about the UDs, but yeah if anything old posts show that UDs ran for 160 now they're 190.

Hopefully after this weekend I can testify to what UDs can do. As one member takes them off another puts some on, :D

And lastly what the heck at hen's teeth?

[FordNut]

And lastly what the heck are hen's teeth?

Pretty rare ain't they?

[CRUZTAKER]

So what is a used set worth Ed?


Considering they were a buck and sixty new....$75?

[gmtech]

Every little bit helps. I think they made a difference in my car
i could tell the difference as well...did make it feel "looser"...PHP spacer goes on this weekend:D

[ts-pa]

Thanks for the responses to my question! I have a much better understanding now.

[Mest30]

Is that 10-12 hp gain with or without the alt pulley?

[FordNut]

Without...

[Blackmobile]

Is that 10-12 hp gain with or without the alt pulley?

The only difference in the Alt. Pulley, is that the OEM pulley is clutched, where as the U/D alt. pulley isn't, but they are the same diameter. Power gains would be the same with or without.

[Blackmobile]

Considering they were a buck and sixty new....$75?
They were $190 a year ago, plus tax they came out to 2 bills +. Inflation is a Motha.

[Mest30]

The only difference in the Alt. Pulley, is that the OEM pulley is clutched, where as the U/D alt. pulley isn't, but they are the same diameter. Power gains would be the same with or without.

Good, because I didnt install the steeda alt pulley.

[offroadkarter]

Do they really make that much of a difference?


You havent been on in a while, welcome back!



Ed, how much are you figuring for the UDP's? My interest is peaked

[sd8683]

If I remember correctly DR is selling them for $235 bucks

[SC Cheesehead]

Every little bit helps. I think they made a difference in my car

^^^^ +1 ^^^^ Seems to be much more responsive in mid-range, and definitely winds up faster.


i could tell the difference as well...did make it feel "looser"...PHP spacer goes on this weekend:D

I'd be interested in the results of the PHP spacer. I'm currently running U/D pulleys, a PHP CAI, and DR tune along with 4:10's, and am pondering my next mod. The spacer is one of them. Let us know if you notice a difference after installation.

SCCH

[whd507]

in my otherwise stock 03, the intake spacer made a slight but positive and noticeable difference.

[Blackmobile]

You havent been on in a while, welcome back!



Ed, how much are you figuring for the UDP's? My interest is peaked

I'd say about $100 but that's the discounted MM.net member rate.

[Mest30]

^^^^ +1 ^^^^ Seems to be much more responsive in mid-range, and definitely winds up faster.



I'd be interested in the results of the PHP spacer. I'm currently running U/D pulleys, a PHP CAI, and DR tune along with 4:10's, and am pondering my next mod. The spacer is one of them. Let us know if you notice a difference after installation.

SCCH

I had a tune, 4.10s and JLT CAI intake when I put in my PHP intake spacer and I noticed no SOTP difference with it. Cant say what a dyno would show, though.

[offroadkarter]

I'd say about $100 but that's the discounted MM.net member rate.

Ill keep in touch