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chknhwk Offline OP
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I may try to meet you there. I need practice fighting wheel hop on 40 series tires!! LOL


ChickenhawkRacing@hotmail.com
1998: #4415/6535
mods: Sheet metal screws in rear chrome strip
Four wobbly corners
"Hey, do you like apples?"
"Well, yeah."
"Well, I got her number, how do you like them apples?"
Joined: Sep 2001
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Quote:
Originally posted by PA 3L SVT:
Quote:
Originally posted by Dude:
[b]
Quote:
Originally posted by PA 3L SVT:
[b]UDP bad. DMD good. smile
Why is that Jason? The UDP are on the new motor in my car. eek [/b]
Long story short: A UDP without any damper (like all of them) allow the crank to vibrate leading to bearing wear, etc. The DMD (Dual Mode Damper) has 2 dampers to reduce/eliminate the vibrations at two frequencies. It's a Ford OEM upgrade found on European Duratecs. The stock pulley has one damper (which is better than none, but not optimal for an engine that revs to 7k).

I'm quite convinced that my STOCK motor died as the result of "crank harmonics (vibrations)" thrashing a bearing. It won't blow up in a day, but long term prognosis could be bad.

Ford spent a lot of money to develop the DMD. It also took a lot of convincing for the accountants to put a more expensive part on the Euro Duratec, especially one that the marketing guys really can't show off. It's also the only thing Ford has done to combat the early deaths of 2.5 Duratecs (and only in Europe to boot).

Search around for the discussions (ad nauseum) on the DMD. They'll contain a link somewhere to a site that details the detriments of UDPs on a Toyota (?) engine.

On topic: I might go to the Friday Test and Tune (9-4) at Maple Grove next weekend. $25 and the crowds should be low as many people actually have jobs to be at then.
http://www.maplegroveraceway.com/fmsninfo02.htm [/b]
Thanks I'm going to look into replacing the UDP with the DMD. It makes sense to me, the UDP was on the car when I bought it and FORD just swapped the pulleys off the dead motor.

Thanks again,
Brian


Brian D. Passaro
--------------------
1998 Contour SVT
E0 Silver Frost #3734 of 6535

(Died 10/31/01 Reborn 02/03/02)
Superchip(Removed)~Firestone Firehawks SZ50 215/45ZR17 on 17" Borbet Type T's~ASP Underdrive Pulley(Removed)~75mm Pro-Flow MAF(Removed)~Mobil One 5W-30 Tri-Synth~Resonator removed~Flowmaster DeltaFlow '40' series dual mufflers~KKM Air Filter Induction System(Removed"Lost at FORD Dealer")~2.5-inch custom cat-back exhaust system w/ reduced angle Y-joints~4-inch rolled chrome twin-tipped exhaust tips~Konig V-racing aluminum BTCC-inspired rear wing~Sylvania Blue headlamps
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chknhwk Offline OP
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Hey Brian, I'll trade you pulleys. It's only a matter of time before mine goes anyway. Might as well get as much fun out of it before then anyway!! :p I just hope I manage to finish paying off my 3.0 before then...


ChickenhawkRacing@hotmail.com
1998: #4415/6535
mods: Sheet metal screws in rear chrome strip
Four wobbly corners
"Hey, do you like apples?"
"Well, yeah."
"Well, I got her number, how do you like them apples?"
Joined: Aug 2001
Posts: 14
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I was in the show last year on Sunday. I was the ONLY contour there!!!! Those folks with the SHO's were giving me a hard time (I think they were secretly jealous - hehe) I am not going this year, which breaks my heart because I have been going for 10 years, but I am 8 months pregnant and can no longer drive my car because I can not move the seat back any further and still be able to reach the clutch because this dang baby is so big. Maybe next year there will be more than 1 SVT there!!! :rolleyes:


99 Silver SVT
#2795
PA plates "QUK SLVR"
rear deck spoiler
tinted windows
K&N Air Filter
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chknhwk Offline OP
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Quote:
Originally posted by Quk Slvr Kate:
I was in the show last year on Sunday. I was the ONLY contour there!!!!
Maybe next year there will be more than 1 SVT there!!! :rolleyes:
Hope to see you there!

Jason, I couldn't make drag races, I'm STRAPPED right now. I just had to talk my g/f into feeding me. LOL :p


ChickenhawkRacing@hotmail.com
1998: #4415/6535
mods: Sheet metal screws in rear chrome strip
Four wobbly corners
"Hey, do you like apples?"
"Well, yeah."
"Well, I got her number, how do you like them apples?"
Joined: Jun 2001
Posts: 3,419
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Quote:
Originally posted by chknhwk:
Jason, I couldn't make drag races, I'm [b]STRAPPED right now. I just had to talk my g/f into feeding me. LOL :p [/b]
LOL, I couldn't answer the bell this morning so I didn't go either. Just too early for me today.


1998 Silver Frost SVT Contour born on...8/28/01[/i]
American Iron Shootout Radial Tire 2 Class Champion, Cecil County Dragway April 20, 2002
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