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Tuning an AutoArt

4816 Views 21 Replies 11 Participants Last post by  stoner
Well now we've got a class for AutoArt 'supercars' - the performance of which is generally anything but. Wobbly gears, loose tyres and general graunchiness abound, so it's now become the club's only tuning class.

In fairness I've never had a problem with my original choice - the Porsche 997 Carrera. It's pretty and, with a load of weight stuffed in the nose, has a very nice habit of drifting gently through the corners. Here's the old original:

With a decent amount of acceleration my 997 is one of the fastest 'stock' cars (mag removed) at the club, but because of chronic unreliability we can now tune our AutoArts. Tyres, hubs, axles, gears and pinions are free - although motor, guide and chassis must remain as standard. Given the yellow peril's rear-mounted motor she's not going to be able to live with more conventional arrangements, once they've been tweaked, but I wanted to stay with Porsche and so got a traditional mid-mounted sidewinder within the rather lovely 996 GT3R:

And so to a bit of tuning...

First off I've removed the retaining spring on the front axle which pushes it down towards the track. I hate front-end deslots with a passion, and increasingly find that highly detailed slot cars are build as shelf queens with no thought for whether or not the front wheels will lever the guide out of the slot. I've also unscrewed the magnet and fitted wheels and axles from the Scalextric Porsche GT3, which are wider and hopefully will give a bit more grip than drift:

Eagle-eyed viewers will notice that the rear tyres are different. I've gone for Ortmanns, as Scaley typically doesn't do a great compound for non-mag running.

Everything sits together reasonably well but there's a hefty amount of slop in the rear axle now - about 4mm worth! I've ordered some shims but also decided to go for a Slot.It axle and gears - 12 tooth pinion and 36 tooth crown. I think it's about the best balance in ratios for our track.

The bits should arrive in time for next week, when I make a belated debut in the class. It's hardly the biggest tuning job in the world but hopefully, once run in and with a bit of weight behind the guide, will be able to keep pace with the Gallardoa, Murcielagos and Koenigseggs.

I'll let you know!
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QUOTE (driver#8 @ 20 Jun 2012, 03:39) <{POST_SNAPBACK}>Stoner - just enjoy them any way you like.
The moral of the story is: AutoArts can be fun and reasonably fast. In their own 'special' way!
Fully agreed!

And call me a masochist for what I did (and continue to do) with mine, but...

I have actually gone so far as to race an almost-stock Alfa GTAm in two of our race classes: front engine and TransAm. This on wood, no magnet and a technical track (Luf's [Oldslotracer] Targa).

Modifications consist of shimming the guide to get the front wheels to just touch the track, gluing the motor, urethane tyres glued and trued and making sure I get a bit of body float. Also added some lead low down.

Result? A blast really in TransAm: a B class sedan that chews up the flock of Scaley Camaros and Mustangs on the straight (not that Luf's tracks ever have much of those...) but cannot quite compete on the corners (and there are always lots of those on Luf's tracks!). So not quite competitive against top class competition but I can actually beat a lot of people running the class-standard Scaleys. Not bad I thought for such a maligned car.

Front engine result is similar: we have a bunch of very hot, highly modified front engine cars in the group: the Alfa is hopelessly outclassed against these. But once again: it can more than hold its own against unmodified cars.

I still love my pretty little Alfa!
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