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 Post subject: Fabian Cortez replica Ducati 750 Sport?
PostPosted: Mon Nov 05, 2012 8:34 pm 
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Joined: Wed Sep 19, 2012 11:33 am
Posts: 75
Location: Taunton, England
model: 750 Sport
year: 1990
Never heard of this one before, but loved reading about the bike:

Quote:
The second, pantah powered Ducati 750 Sport is rare enough to start with but this example has been transformed from tame to tiger. Fast by Ferracci blue printed the engine, installed chrome moly Carillo rods and slotted in his own 12:1 high compression pistons. Hot cams from NCR were offered but this example has had Australian V2 lumpy cams fitted in their place. Big valves allow for more suck and blow whilst 41mm Mikuni Pro Series Flat slides replaced the stock automotive sourced Weber. The 2 into 1 into 2 exhaust has Ferracci stamped on the side but was made for FBF by another famed tuner, Rob Muzzy. Ferracci claimed in this state of tune the engine made 88hp.



http://www.ducatinewstoday.com/2011/11/ ... -for-sale/


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 Post subject: Re: Fabian Cortez replica Ducati 750 Sport?
PostPosted: Tue Nov 06, 2012 7:50 am 
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paso grand pooh-bah
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Joined: Sat Sep 03, 2005 12:00 am
Posts: 1318
Location: SF Bay Area
model: 750 Sport
year: 1990
Great bit of history.
Interesting that the race bike ran with a 4.5" rear wheel and was making 88 HP.
so many people try to fit bigger tires and rims, yet a race team sticks with a 160 tire instead of going with the 5.5" rim and a 180 tire. I know for certain that they can fit the 180, as I have on my bike, so I'm certain that there was a good reason for this direction.
Is it possible to have too much tire?

Cheers, Phil

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Duc in the Bay
1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
1991 907 -mostly stock
2002 ST4s - Lots of mods.


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 Post subject: Re: Fabian Cortez replica Ducati 750 Sport?
PostPosted: Tue Nov 06, 2012 10:14 am 
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Joined: Wed Sep 19, 2012 11:33 am
Posts: 75
Location: Taunton, England
model: 750 Sport
year: 1990
Quote:
Is it possible to have too much tire?


Good question...

I suspect it's partly fashion - manufacturers getting their road bikes to look more like the racers, and it must also be about getting the power down through a bigger contact patch. The last big Japanese bike I owned has a 180/55 rear tyre, but put out 147 bhp - about double the power of my 750 Sport.

My bike already had a 5.5 inch rear wheel fitted, but I was happy to opt for the "skinnier" option of a 170/60 tyre. If I was looking to fit 17 inch rims today I'd probably opt for a 4.5 inch wheel if I could get one, with a 160 tyre which would reduce unsprung weight and be more than adequate for the power of the bike.

So it's certainly possible to have a tyre that's bigger than necessary for the power of the machine, and adds unnecessary weight and cost, but it might be considered cosmetically desirable.

You do have to lean more with fat tyres in comparison to skinny ones, but as most of us enjoy the corners I'm not sure whether that's a benefit or not...


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 Post subject: Re: Fabian Cortez replica Ducati 750 Sport?
PostPosted: Tue Nov 06, 2012 5:58 pm 
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paso grand pooh-bah
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Joined: Sat Sep 03, 2005 12:00 am
Posts: 1318
Location: SF Bay Area
model: 750 Sport
year: 1990
Well, I'll be able to tell you next season when I wear out the 170 I have on the 5.5" rim right now, and replace it with a 160 on 4.5" rim. It took me several years, but I found a white 4.5" rear rim.

Cheer, Phil

_________________
Duc in the Bay
1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
1991 907 -mostly stock
2002 ST4s - Lots of mods.


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