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View Full Version : Ultra UDP - ZXTuner

JessicaOfVA
04-28-2008, 11:30 PM
I was just wondering if anyone has performed a Dyno Test comparing the ZXTuner's Ultra UDP to Esslinger and/or Powder's UDP? Because on the ZXTuner's site it boasts that their Ultra UDP slows the belt driven accessories down 40 %, where as Esslinger is 25%. ZXTuner's is 80mm and Esslinger's is 100mm. I was also curious if anyone has bought it and the quality of it?
Beodude123
04-29-2008, 07:50 AM
I got the ZXTuner one. It was pretty good. I thought they were the same though? At least, they used to be....
mechtech
04-29-2008, 12:03 PM
You are not talking a lot - a dyno test varies and the difference would be in the normal variance.
Smaller is better for a bit more power, at the cost of slower accessories [esp the alternator]. Mostly at or near idle is when this matters.
SloZx2
05-09-2008, 02:16 PM
at the cost of slower accessories [esp the alternator]. Mostly at or near idle is when this matters.

getting the alt. odp as well when you order the ultra udp solves the alt. problem....i think it states on his website that he recommends getting the ODP.
mellowness65
05-09-2008, 08:09 PM
beodude you're thinking about the MAC 100mm one they sell, it's decent quality, just you have to file down the coating on the inside of the crank hole
99fordzx2
05-13-2008, 10:57 PM
beodude you're thinking about the MAC 100mm one they sell, it's decent quality, just you have to file down the coating on the inside of the crank hole


I didnt have to. I think I heard that was just with the older ones. So far I love mine.


-D
ChillinZX
05-14-2008, 01:32 PM
I enjoy my esslinger udp
Gunslinger
05-18-2008, 11:27 PM
i got the ultimate underdrive pulley, and the alt overdrive pulley installed on mine.
though, i have not dyno'ed anything. only thing i can tell ya is, its a pain in the ass to get back off once you put it on. the fitment is tight. probaly need to take a rubber millot to it to get it to seat down flush. however, it is awfully small. smaller than the essinger. i was running that one before i fix the crank gear problem which destroyed my essinger btw.
zx2loon
05-20-2008, 02:53 PM
FR UDP all the way.
Gunslinger
05-20-2008, 11:49 PM
FR?
autox_zx2
05-21-2008, 01:20 AM
FR?

ford racing
Beodude123
05-24-2008, 11:51 PM
beodude you're thinking about the MAC 100mm one they sell, it's decent quality, just you have to file down the coating on the inside of the crank hole

Yeah dude, that thing sucked so bad. LoL
Fat_Dave
05-25-2008, 09:22 AM
powder FTW
its dyno proven for an extra 5 horsies to the wheels

/thread
Escort00
07-13-2008, 10:00 PM
sorry guys when u say powder udp u mean powder like painted or a name from a company? i ordered the MAC from EBAY and it was candy red.
WillZX2
07-13-2008, 10:45 PM
sorry guys when u say powder udp u mean powder like painted or a name from a company? i ordered the MAC from EBAY and it was candy red.

Powder is a guy on TeamZX2 that makes UDP's
Gunslinger
07-14-2008, 07:50 AM
Powder is a guy on TeamZX2 that makes UDP's


and from what i understand,, very , very good ones too.
zx2racer1990
07-14-2008, 06:16 PM
i can only say my zxtuner 40% pulley is satisfying, i dont have the odp and cant tell a diff on the power stuff(granted i don't have a/c or a radio) if u ask me it is a good buy
crazy34
07-15-2008, 10:57 PM
all i run on my zx2's (dirt track racecars) is the powder pullys. they make a good difference on the track i know first hand....love them and made awsome
4U2QUIK
07-16-2008, 12:00 AM
powder's pullies, they're awesome.
he has some for sale right now. you should buy one.
Tedmx22
08-14-2008, 06:28 PM
We're accustomed to the Quality and reputation of Powder's Pulley's. Since many claim the different pulley (brands) are enough for them and they're happy with their setup, does anyone here have percentage ratios (specs) between the kind?
Grommish
08-14-2008, 07:56 PM
Powder's UPD is 75mm.. You're looking at about a 40% reduction in it. I couldn't have been happier with mine and Im looking into getting another for my SVTF.. They rock, esp for the price...
Tedmx22
08-15-2008, 01:12 PM
There's a used Esslinger pulley right now on ebay. Seller says they want to upgrade to the "BEST".
pissdrunx16
08-15-2008, 01:27 PM
Posted via Mobile Device haha I seen that!! Funny team member??
Tedmx22
08-15-2008, 04:23 PM
I don't believe they're a team member, but own a zetec engine. I asked if the the upgrade ends with an "R" and responded "YES also starts with a "P". I had a feeling it had to be that since there's only one best.
wca361
08-31-2008, 03:43 PM
hey if you get a zxtunner one or anykind do you have to cange anything else in your car to help it or you just put it in and thats it