DeTomaso Mailing List: May 99, Message #123
| From: | Wayne Stevens <WStevens@snsgraphics.com> |
| Subject: | RE: 10" Campys on stock car? PLUS More!!! |
| Date: | Wed, 5 May 1999 20:30:49 -0400 |
I have 'Words of wisdom'
Buy a 'Cherry' for $3O and put the other 15
in the bank and begin enjoying the car tomorrow!
Still glad I spent the 'Big bucks' though, (I guess).
I'm afraid to look at the total $ - but the above figures aren't far off!
W
> -----Original Message-----
> From: Orzel, Russell [SMTP:Russell.Orzel@icn.siemens.com]
> Sent: Wednesday, May 05, 1999 9:29 AM
> To: Multiple recipients of list
> Subject: RE: 10" Campys on stock car? PLUS More!!!
>
> Anyone have an approximate price on the billet/ tapered bearing upgrade?
> Does anyone have any recommendations or horror stories they want to share?
>
> On close to the same subject, has anyone rebuilt their P from the ground
> up?
> Is there anything I should be watching closely? Any words of wisdom for a
> person about to embark on this journey? What items should I replace or
> upgrade as preventive measures, while I have the Car apart?
>
> Thanks for any insights!
>
> Russ Orzel
> Siemens ICN
> Software Development - IP telephony
> P: 561 997 3815
> Email: Russell.Orzel@icn.siemens.com
> <mailto:Russell.Orzel@icn.siemens.com>
>
>
>
>
> -----Original Message-----
> From: MikeLDrew@aol.com [mailto:MikeLDrew@aol.com]
> Sent: Wednesday, May 05, 1999 12:42 AM
> To: Multiple recipients of list
> Subject: Re: 10" Campys on stock car?
>
> Cal wrote:
>
> >It looks as though one has to modify the
> wheel bearings to take the large tires. Guess I'm missing
> something but the
> bottom line is can one put on the larger wheels on a non-GTS
> Pantera without
> running the risk of some damage or accelerated bearing wear?
>
>
> >>>The Pantera suffers from a fundamentally poor rear wheel
> bearing design.
> It's an excellent setup for cars that see no sideloads (i.e.
> Land Speed
> record car) but crappy for a sports car.
>
> More sideloads equals more unwanted stresses. The further
> the sideloads are
> displaced outwards from the bearing centerline (i.e. with
> GT5 wheels with
> extreme positive offset) the worse the problem is.
>
> While the bearings themselves suffer, what is traditionally
> referred to as
> 'the bearing problem' is actually an axle/bearing
> relationship problem. The
> Pantera's axles are slightly undersize (or the inner
> diameter of the bearings
> oversize, depending on your perspective) and the axles are
> also made of a
> too-soft material. The result is that play develops between
> the inner
> diameter of the bearing and the face of the axle. As the
> play gets worse,
> the pounding gets worse, which accelerates the wear on the
> axles. Once
> there's measurable wear, the bearings get beaten to hell and
> the whole works
> goes down the tubes.
>
> I personally don't think 10" Campys put THAT much additional
> stress on the
> axles/bearings, particularly in light of the fact that the
> only tires you can
> now purchase for 10" Campys offer medium traction at best,
> but I have no
> scientific evidence to back up this theory. I think you'd
> be much more
> likely to suffer accelerated wear if you were running
> super-sticky tires
> (i.e. BFG R-1) on 8-inch wheels (and DRIVING the car
> appropriately) than you
> would with Euro T/A's on 10-inch wheels, but again, that's
> just speculation.
>
> The jury is still out regarding aftermarket 17" wheels,
> since they feature
> tremendous negative offset and put the load more or less
> directly underneath
> the bearings. But I suspect that 17" wheels with sticky
> tires, driven
> appropriately, will accelerate wear.
>
> Sticky tires on GT5 offset (either 15" or 17") will trash
> bearings and axles
> in a hurry. Often they're destroyed in as little as 5,000
> miles after
> fitment. This is a very well-known and documented
> condition.
>
> Not wanting to deal with the potential problems, I upgraded
> to tapered roller
> bearings and billet steel axles. Although I have 10" Campys
> I would did this
> anyway (since my stock bearings and axles were trashed when
> I bought the
> car.) If my stock bearings/axles were fine I'd leave them
> alone, but I would
> realize that I was simply waiting for the inevetible to
> occur.
>
> Once it did, I would NEVER replace stock bearings and a
> worn-out axle with
> same-same--if I'm spending $500 a crack for new axles, you
> better believe I'm
> doing it ONCE, not once every five years or 15,000 miles!
>
> Mike
>
> P.S. I'm writing this from my hotel room in Santa Cruz de
> la Sierra,
> BOLIVIA! All those people who complain about AOL (and AOL
> users) need to
> realize that there's no way I could be doing so with any
> other internet
> provider.
>
> P.P.S. You guys would all die laughing if you could see the
> taxis here.
> They purchase 5-7 year old cars from Japan (destined for the
> junkyard, 'cause
> the Japanese government artificially keeps their auto
> industry afloat by
> levying outragous taxes on cars older than 5 years; so much
> so that it's
> usually cheaper to literally throw away a perfectly good
> 6-year old car and
> buy a new one, than it is to continue to drive the old one.)
>
> Problem is, the Japanese are screwed up (like the Brits) and
> drive on the
> wrong damn side of the road. While most people would be
> satisfied to just
> drive a RHD car in a LHD world, I guess this is illegal in
> Bolivia.
>
> Their solution is to literally RIP the entire steering
> column out of the
> right side of the dash (leaving all wires dangling), hack a
> great bloody hole
> in the glovebox lid and shove it in on the left side!!!!
> All instruments,
> etc. remain on the right side--who cares how fast you're
> going? Ignition
> switch is relocated as well.
>
> Dunno how exactly they get a LHD column to talk to a RHD
> steering rack--I
> didn't really want to know since the rumor is that bicycle
> chains and
> sprockets are employed! And don't ask about the clutch and
> brake pedals
> either--probably shafts running across the car.
>
> I rode at ridiculous speeds at night through a busy city
> with
> no-quarter-given-or-asked rules at every intersection,
> (stopping at red
> lights optional), all the time wondering when the steering
> and/or brakes
> would fail!
>
> Shudder! :>)