[Shotimes] RE: Underdrive Pulleys WAS: Valve lash done...

[Ian Fisher]

I am aware that the SHOshop UDP's do not replace the crank dampener as I
have a set on my 93 mtx.

It is a BFD when the balancer comes undone and spins all of the rod
bearings off of the crank shaft. Many a motor has been destroyed this
way. That's why I am running the SS units; I am leaving the harmonic
balancer as is.

Most of the cars that I have heard about that had problems with the
UDP's were N/A although its not to say that the SC'ed cars didn't suffer
the same problems.

Ian


-----Original Message-----
From: shotimes-admin@autox.team.net
[mailto:shotimes-admin@autox.team.net] On Behalf Of Ron Porter
Sent: Saturday, February 22, 2003 7:11 PM
To: Ian Fisher
Cc: 'SHOtimes'
Subject: RE: [Shotimes] RE: Underdrive Pulleys WAS: Valve lash done...


The new SHO Shop pulleys do not replace the crank-harmonic
balancer-pulley. As I understand, the primary problem here was with the
supercharged cars that tended to break cranks. Don't recall n/a car s
having a problem, but that's not to say that every ASP crank pulley was
perfect.

As I have said in the past, when you modify cars, you appreciate what a
good job the OEM mfrs do. Aftermarket parts will always have a higher
failure rate than OEM.....it has been a fact of life forever. If anyone
buys aftermarket parts and expects them to have the durability of OEM,
well, I have a bridge that I can sell them.

In aftermarket mods, you pay your money, and you take your chances. If
there have been a few UDPs that have bit the dust, WTF, it's no BFD,
them's the facts of life!

Ron Porter

-----Original Message-----
From: Ian Fisher [mailto:ianf@eden.rutgers.edu]
Sent: Saturday, February 22, 2003 6:25 PM
To: 'Ron Porter'
Cc: 'SHOtimes'
Subject: RE: [Shotimes] RE: Underdrive Pulleys WAS: Valve lash done...


I have 3 immediate friends with pulleys that spun them dampeners. I am
positive that they were ASP pullies. I could have sworn there was a
discussion about this awhile back where people were removing their ASP
crank pulleys in favor of the stock OEM ones..I am sure others will
chime in soon enough. These were all on V6 SHO's...

Ian "getting to be old or been on the list way too long to remember
times like 'awhile back' "Fisher


-----Original Message-----
From: shotimes-admin@autox.team.net
[mailto:shotimes-admin@autox.team.net] On Behalf Of Ron Porter
Sent: Saturday, February 22, 2003 4:34 PM
To: Ian Fisher
Cc: 'SHOtimes'
Subject: RE: [Shotimes] RE: Underdrive Pulleys WAS: Valve lash done...


No, it's the old Hypertech that came apart on the V6s, the ASP have been
fine, AFAIK. My former '89 has the ASP pulleys.

It was the SHO V8 ASP pulleys that had a couple of harmonic balancers
fall apart.

Ron Porter

-----Original Message-----
From: shotimes-admin@autox.team.net
[mailto:shotimes-admin@autox.team.net]On Behalf Of Ian Fisher
Sent: Saturday, February 22, 2003 4:09 PM
To: dmall@mwonline.net; shotimes-admin@autox.team.net
Cc: 'SHOtimes'
Subject: RE: [Shotimes] RE: Underdrive Pulleys WAS: Valve lash done...


I thought that the ASP pulleys were the ones that came apart..I didn't
realize that Hypertech ever made a UDP set for the SHO? How old are
they?

Ian


-----Original Message-----
From: shotimes-admin@autox.team.net
[mailto:shotimes-admin@autox.team.net] On Behalf Of Donald Mallinson
Sent: Saturday, February 22, 2003 3:33 PM
To: shotimes-admin@autox.team.net
Cc: SHOtimes
Subject: Re: [Shotimes] RE: Underdrive Pulleys WAS: Valve lash done...


I have a very early Hypertech underdrive pully set on my '89 (crank and
alternator) and they have been perfect since installation.  This was the
brand that later got a reputation for coming apart, but mine have been
on for about 120,000 miles with no problems.  I did mark mine a few
years ago to see if it was turning any, and so far so good.  I think
there was just one bad batch or run of those pully's.
  at the time I talked to Hypertech at length about the problem, and
they said it had been taken care of  (and Ford says the SHO V8 cam
situation is just a "few" cars too, so I took that with a grain of
salt.).

I agree, the UDP made a difference I thought I could feel,
and (knock on giant redwood) I still have all my original pullys,
alternator, A/C and PS pump as of 180,000 miles.

Don Mallinson

Ron Porter wrote:
> My former '89 had the SHO Shop underdrive pulleys put on back in 
> October '96 at about 135K miles. Tim Pavlik now has the car, it 
> probably has 210K or so on it, an AFAIK the pulleys are still doing 
> fine.
>
> IMNSHO, the best mods for a daily street-driven SHO are underdrive 
> pulleys, and a good y-pipe. Also, "maybe" a catback or better 
> mufflers, but probably not necessary.
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