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Underdrive Pulley on an auto Max???

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Old 02-15-2002, 03:01 PM
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Underdrive Pulley on an auto Max???
What is the word on the underdrive pulley on an automatic max? Will it make a significant difference or is it a waste of money cause i have an automatic?


thanks in advance
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Old 02-15-2002, 03:38 PM
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i got it and the first thing i noticed is better take off's
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Old 02-15-2002, 04:25 PM
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so i am assuming you have an automatic as well.?! Well every bit helps, i have a Y-pipe which helps at high rpms (5k-up) so the pulley would help me off the start...........cool!
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Old 02-15-2002, 04:58 PM
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yeah you will notice a quicker take off and i do have an Auto
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Old 02-15-2002, 06:06 PM
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What added strain does the pulley put on your engine?? I'm gonna have my max for a long time so i'm looking towards realiablity. Any ideas?


TX
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Old 02-15-2002, 06:09 PM
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it really depends on how U drive, if u drive aggressive constantly of course the tranny wont last as long, try looking into a VB recalibration, which is what i will be doing in March and maybe a tranny cooler, i got mine from permacool if your interested i can get you one for $65 shipping and handling
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Old 02-15-2002, 06:13 PM
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yeah, its my ONLY vehicle so i depend on it alot. Most of my driving is done is highway driving.



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Old 02-15-2002, 06:18 PM
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are u under warranty??? and if u are have u gotten the TSB done on your tranny??? concerning the soleniods and TCM
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Old 02-15-2002, 07:06 PM
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have another 3000 miles left on my warranty. I've seen alot of "TSB" but i'm not sure what that is.
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Old 02-15-2002, 07:08 PM
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it stands for 'Technical Service Bulletin' here is the one on our tranny

http://forums.maxima.org/showthread....threadid=29351
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Old 02-15-2002, 07:26 PM
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Wow, never knew about that. What happens after i pay the fee for the TSB what happens then??
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Old 02-15-2002, 07:37 PM
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[sprintmax]

UDP is worhtless.

[/sprintmax]

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Old 02-15-2002, 07:51 PM
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Sprint had a UDP on his car?!?



Did he know about it!



Originally posted by yo_its_ok
Sprint has a 4th gen 5spd. It just looks nice on his car, uh correction, LOOKED nice on his car.

-Peace
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Old 02-15-2002, 08:34 PM
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Originally posted by yo_its_ok


He's in DENIAL, we all know he had it.
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Old 02-15-2002, 10:20 PM
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So the UDP only helps on quicker startoff? Any overall gains?
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Old 02-15-2002, 10:25 PM
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Re: Underdrive Pulley on an auto Max???
Originally posted by RayRey21
What is the word on the underdrive pulley on an automatic max? Will it make a significant difference or is it a waste of money cause i have an automatic?


thanks in advance
I got one also, you do notice the difference, a little better low end power. Not a waste of money

Roger
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Old 02-15-2002, 10:50 PM
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Originally posted by yo_its_ok


Hard to say, depends on mods and motor condition.

On my car it made a big difference, and I had everything and a lil something more...



On a stock car, it won't really do much, gotta have at least intake, some exhaust work, y pipe helps, so does a cat.

Well, I got ypipe, cat, cat-back exhaust, hybrid intake, and vb.


How much does a UDP cost anyway? It includes the belts right? If it's not too expensive, I might just give it a try.
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Old 02-15-2002, 11:55 PM
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Originally posted by Cumalot



Well, I got ypipe, cat, cat-back exhaust, hybrid intake, and vb.


How much does a UDP cost anyway? It includes the belts right? If it's not too expensive, I might just give it a try.
$199 @ http://www.custommaxima.com/UnorthodoxPulley.html
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Old 02-16-2002, 01:12 AM
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Originally posted by yo_its_ok


Hard to say, depends on mods and motor condition.

On my car it made a big difference, and I had everything and a lil something more...



On a stock car, it won't really do much, gotta have at least intake, some exhaust work, y pipe helps, so does a cat.
I don't see how having other mods could possibly effect the performance gains from a UDP. It has no effect on how the engine breaths or anything like that. All it is doing is decreasing the rotational force of the crank pulley and there for freeing up more HP to the wheels. It should work equaly well on all maximas(with the same tranny).
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Old 02-16-2002, 06:24 AM
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Which size to use ?
Hi guys, after reading this thread and hogan's one, I'm wondering what size pulley should I buy for my 2K1 auto-max.

Cheers

AA
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Old 02-16-2002, 08:25 AM
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Re: Which size to use ?
Originally posted by doublea
Hi guys, after reading this thread and hogan's one, I'm wondering what size pulley should I buy for my 2K1 auto-max.

Cheers

AA
i think there is only one size
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