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  #1  
Old 15-09-2008
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Smile CAT SX setup discussion

Hey guys - this is a new car and I'm sure it'll be a massively popular one which is new to everyone, so feel free to use this sticky for setup discussion.
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  #2  
Old 15-09-2008
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Are you gonna treat yourself Jimmy ? Must admit im tempted and ive not even raced my B44 as yet !
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  #3  
Old 20-09-2008
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According the online instruction manual, page 36, I think there's something wrong with first table:

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Old 20-09-2008
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Default Shock diaphrams?

Hi. Just been reading Mr Moss's worksop set up. It says diaphram centres cut out and removed. How,what and why is what I was wondering? Thanks for all the advise. It is invaluable with such a new car. Cant wait to run mine.
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Old 20-09-2008
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oliv : give us a clue what you think is wrong i'm clearly missing something

the shocks have bladders fitted as standard like most tourers and 1/8th rallycross, cut means the top of the bladder has been removed making the shock more tike the associated 1/10th buggy style, its just another tuning option.
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Old 20-09-2008
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Think he might be thinking that it means the minimum teeth is 99 yet it goes down to 80 on the chart.

But if you look oliv, the total minimum 'combination' of spur+pinion is 99 total, 83 spur + 16 pinion = 99total.
And max combination is 80 spur + 28 pinion = 108 total.

I know it has 80 spur and 16 pinion on the chart, but I'm assuming that this combination can't be used.

So therefor it all looks correct to me.
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Old 20-09-2008
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Pretty much spot on. While i have been testing the car all year Ive have tried shocks with full diaphrams and the cut diaphrams. All i do is cut the complete centre out so you are left with the outer ring. You need this so the oil doesnt leak out of the bleed hole at the side. Personally, ive found the shocks with cut diaprams feel better as opposed to the others, they feel more fluid and give less inital pack in my opinion.

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  #8  
Old 20-09-2008
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Quote:
Originally Posted by barnyard View Post
oliv : give us a clue what you think is wrong i'm clearly missing something
Assuming following data:
Diff pulley: 36T
Pulley just before diff: 20T

For the first cell (pinion 16T, spur gear 83T and 34/22 combination) it would be:
(83/16)*(34/22)*(36/20) = 14.43 instead of 14.37

The two others tables are correct
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Old 20-09-2008
barnyard barnyard is offline
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looks like somebody incorrectly calculated the internal ratio to be 2.77.

if i'm honest i hadn't looked that deeply into it as all the numbers appear sensible at first glance.
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  #10  
Old 01-10-2008
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Im looking at putting Ti screws and ball joints on my SX, anyone who has done this do you know how many of each size of screw you need?

Just checking before i sit down and count them myself

Paul
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Old 05-10-2008
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Could someone PM with where to get the orings which some guys have changed too in there shocks

Many Thanks

Paul
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Old 06-10-2008
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http://www.nortechracing.co.uk/ or contact northy on here. whities are the way to go
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  #13  
Old 06-10-2008
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Thanks Stegger, found link last night, tried ordering them but came up with an error, have sent email/pm so hopefully get it sorted!

Thanks

Paul
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  #14  
Old 08-10-2008
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I'm in the process of building my CAT SX. It's a nice return to Schumacher since my very first 4wd was a CAT2000EC.

Since i'll be giving the car its first runs on the Kampenhout track, I'm looking for an astro setup to start with on work from there.
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Old 13-10-2008
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I will be running on an Indoor high traction dirt track in the US. The track is typically pretty technical with maybe on or 2 big jumps and lots of smaller jumps

What would be a good starting point?
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  #16  
Old 09-04-2009
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Has anyone used the alloy 7.5 Degree Yoke for indoor carpet? If not, when would you use it, for what type of track?
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  #17  
Old 12-04-2009
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hi,
Witch tyres and insert are you using on wet astro (or when it is raining)?
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  #18  
Old 12-04-2009
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Quote:
Originally Posted by frefon View Post
hi,
Witch tyres and insert are you using on wet astro (or when it is raining)?
Pink or green ballistic mini pin.. Pink in wet conditions and green between wet and dry.. insert, I will those a medium insert = green shucmuacher or similar
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  #19  
Old 12-04-2009
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Quote:
Originally Posted by t.o. rob View Post
Has anyone used the alloy 7.5 Degree Yoke for indoor carpet? If not, when would you use it, for what type of track?
Me and Mossy are using them all the time now, they are just an all round improvement for all conditions and I highly recommend them!
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  #20  
Old 12-04-2009
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Quote:
Originally Posted by Chrislong View Post
Me and Mossy are using them all the time now, they are just an all round improvement for all conditions and I highly recommend them!
Do you use them together with the new alloy castor blocks ? Because it would decrease total castor significantly.

Edit : I think I'm mixing a few things (rake blocks). Nevermind this reply.
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