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#1
01-02-2015
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Vintage CAT overview? Rebuilding advice needed.
Hi
Recently having acquired 2 Cat XLS, I got more interested in reading up about this car, and what the differences are between this version, and later ones. Is there a page that lists the differences, history, etc? Google gave me little luck finding something, but maybe I didn't look in the right place Last edited by OptimaFan; 11-02-2015 at 09:02 AM. 
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#2
01-02-2015
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Wikipedia has a timeline see https://en.wikipedia.org/wiki/Schuma...acing_Products
The a few difference but the easiest one is the lower chassis: SWB - Stick Pack (Grey Bumper no front diff) XL - Same shape as SWb but 20mm longer XLS - As per the XLS with more option parts included (Silver Wheels) XL/XLS had a saddle pack option chassis (with 6 cutouts) Procat - 7 holes for batterys Bosscat - Lots of options chassis here but the back of the chassis isn't at right angles when it comes in from the batteries and black weave and carbon became an options If you want Schumacher history one of the better sources is rc10talk which is vintage focused there loads of old articles etc. In addition Daniel had set up a vintage schumacher facebook page where you can ask questions. Keep meaning todo a post on this with more of the difference that people can help me refine. There lots of Schumacher experts on here that no more than me!
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__________________ Schumacher, Team Orion and Futaba My trader feedback please feel free to add: Click Here
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#3
01-02-2015
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__________________
My feedback feel free to add anything  http://www.oople.com/forums/showthre...863#post861863
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#4
01-02-2015
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Thanks for the pointers, but I can only see a few listings, with a few keywords added to each car listed. No summary of version differences, parts compatibility and more in-depth info.The post Yachty made comes more in the direction of what I am looking for, but I would still like to see more detail. Like there must be more difference between the ProCat and the XLS than an extra hole in the chassis, for instance? And I noticed differences between the wheel hubs on cars that are listed online as CAT XLS, so either older parts were replaced by those of next gen models, or there were more batches of the same car, with production changes being cut in during a model's availability.
With the Optima Mid I know most of the version differences after wrenching on it, and reading up around the internet, chatting with guys with more or different experience, etc. I have zero history with the CAT, so I have some catching up to do. Btw, Peakey, did you find those darker colored front shocks yet, to match the rears on my XLS?
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#5
01-02-2015
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Differences between the original CAT, CAT XL and XLS.
Original CAT Short wheelbase Rear differential built into layshaft, like the RC10 6 gear gearbox Integrator unit where the rear diff should be, to adjust drive to front Solid front pulley with one ways built into driveshafts Stick pack battery mounting Bent grey kydex front bumper Changes between CAT and XL Long wheelbase New moulded bumper Changes between XL and XLS Front ball diff Wider front and rear suspension using spacers and new rear fibreglass upper brace New front shock mounts giving greater castor angle and kick up for front suspension Changes between XLS and Procat. New front bumper with holes for adjusting tensioner New front gearbox moulding with built in belt tensioner New front diff pulley that holds 14 balls instead of 9 balls New wider saddle pack chassis New fixed layshaft with new spur gear held on with o-ring. XLS layshaft contained rear ball diff New rear diff with solid pulley to replace front drive integrator New moulded plastic rear shock tower and wing mount New rear suspension taken from the Topcat/Cougar All the parts were interchangeable between models, for example it was quite common to update earlier cars with the Procat rear suspension if you had already upgraded the transmission with MMS parts instead of buying a whole new kit, and Schumacher updated some parts so the mouldings in the kits changed over time while keeping the same part number. While the Bosscat looks similar it was a complete redesign sharing very few parts with its predecessors, only small detail parts were shared with earlier cars, with new chassis and transmission moving the belt above the chassis, new front and rear suspension, shocks and bigger 2.2" wheels. While quite different some of the parts were interchangeable with earlier models, so again you could upgrade suspension parts on earlier cars with Bosscat ones.
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Visit my showroom Last edited by terry.sc; 01-02-2015 at 01:42 PM.
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#6
01-02-2015
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Not yet Henk I'll look later and get back to you
__________________
My feedback feel free to add anything http://www.oople.com/forums/showthre...863#post861863
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#7
01-02-2015
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All the above is on RC10talk but half the joy is learning from old magazine article etc. as there so many none standard tweaks. All the manuals are readily available online. PM me if you struggle finding them, If your XLS has been used a lot at club level it will be full of upgraded bits of later cars as back then upgrading was a common thing. Almost everything from origional CAT upto the PROcat fit each other.
The chassis just the easiest part to tell and if it is a Schumacher one the least likely to have been changed as the car is upgraded. I have a batch of stainless steel fittings coming from model fixings so my restoration begin in earness.
__________________
__________________ Schumacher, Team Orion and Futaba My trader feedback please feel free to add: Click Here
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