[DeTomaso] 485.8 RWHP & TRIPLE DISC CLUTCH????

[P. Rimov]

Ok, so at what point does the ZF fail to handle MDs pretend 485.8 RWHP @ 
6,000R's and 459.3 RWTQ @5,500 R's.and explode in a hundred expensive 
pieces? Didn't the GT-40 program suffer a lot a transaxle failures with the 
big block power and torque? I was looking through the Corral forum archives 
last night and a lot of guys running big HP/TQ with power adders use Mcleod 
clutches to handle the power. There were several mentions to avoid 
Centerforce dual friction set ups as they just don't handle the power as 
well.

Cheers

Paul
----- Original Message ----- 
From: "Ken Green" <kenn_green at yahoo.com>
To: "Mad Dog Antenucci" <teampantera at yahoo.com>; <MikeLDrew at aol.com>; 
<johnmckee at cox.net>; <wkooiman at earthlink.net>; <detomaso at realbig.com>
Sent: Saturday, May 10, 2008 8:57 PM
Subject: Re: [DeTomaso] 485.8 RWHP & TRIPLE DISC CLUTCH????


>I think McLeod makes two twin disk street clutches.  The original Street 
>Twin (about $1,200) which uses a specific flywheel, and the RST Street Twin 
>(about $800) which bolts to a stock flywheel.  I think someone said that 
>there might be a lot of adjustment required for the RST which would be a 
>pain for a Pantera.
>
>  Ken
>
> Mad Dog Antenucci <teampantera at yahoo.com> wrote:
>  On the Engine Dyno Pulls:
> Final adjustments at HMS Performance in Whittier made
>
> 485.8 RWHP @ 6,000 R's
> 459.3 RWTQ @5,500 R's
>
> Yea, we have the dyno sheets. Definately there was and still is adequate 
> free play on adjustment before we ever got to the dyno shop. Dick and the 
> guys in the shop know what they are doing. It wasn't set it up too tight 
> and Drenske has set the Centerforce up the last 2 times.
>
> Definately its also the right Byers Precision Pro-Formance supplied 
> Pantera specific dual friction Centerforce assembly. Dick also set the new 
> assembly with the old side-by-side. Drenske could do these blind. And yea 
> same-same throw out bearing.
>
> Talking to EriK Belter and Dick Drenske and Harv the guys at HMS they're 
> ALL convinced that the Centerforce just can't cut it on serious power for 
> long. These guys as you know Mike are all pro's. I told them you said it 
> wasn't set up right and they said something about kicking your ass...I 
> think they were kidding! ;-]>
>
> In summary the feedback from JT, Erik and others is forget the Centerforce 
> and forget the triple disc clutch but definately go with a double disc 
> McCloud..
>
> Dawg
>
>
>
> MikeLDrew at aol.com wrote:
> In a message dated 5/9/08 23 03 57, johnmckee at cox.net writes:
>
>
> Were you using the Pantera specific Dual Friction Centerforce assembly?
>
>
> And much more importantly, are you *sure* you had it adjusted correctly? 
> Even a little bit of pressure on the throwout bearing caused by an 
> improperly adjusted slave cylinder would cause the clutch to slip (and 
> drastically shorten the life of the throwout bearing). Before going any 
> further (and more importantly, before spending any more money), absolutely 
> ensure that there is adequate freeplay in the clutch mechanism.
>
> Although the Pantera Centerforce clutch is a 10.5 inch unit (the stock 
> clutch is 11 inches), I seriously doubt that it's incapable of 
> withstanding the torque that your motor is putting out. If it's not 
> misadjusted, could there be an oil leak (either from engine or gearbox) or 
> some other problem?
>
> Mike
>
>
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>
> Mad Dawg Antenucci
> Team Pantera Racing
> The 1st & still the only vintage race team in open road racing
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