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Old 05-26-2014, 07:23 AM   #571
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My first run with my WC and all I can say Is what a car. At my local track, blue diamond in New Castle DE. I came in at third place and the car handled perfect. A little more track time and I will be stopping to the top spot.
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Old 05-26-2014, 08:15 AM   #572
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Post race tire wear:
I have no idea why the rear right wore more than the left, track has a huge right handed high speed sweeper

Front was perfect:

not as pretty as it was when i got there!!



Once i go over the car i will explain how the weekend went, it was interesting
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Old 05-31-2014, 07:02 PM   #573
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gents, I have a fairly wobbly clutch bell on my 966. I have new bearings so I think the where the bearings sit in the bell itself is worn but that doesnt make a lot of sense to me. I have a few old bells and most seem to have more or less play, esp in the small bearing end. Is this a common problem or maybe there is a funny sized bearing that I need? How much wobble is still OK to drive with?

thanks
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Old 06-01-2014, 04:43 AM   #574
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gents, I have a fairly wobbly clutch bell on my 966. I have new bearings so I think the where the bearings sit in the bell itself is worn but that doesnt make a lot of sense to me. I have a few old bells and most seem to have more or less play, esp in the small bearing end. Is this a common problem or maybe there is a funny sized bearing that I need? How much wobble is still OK to drive with?

thanks
You shouldn't have very much wobble to be honest. Did you have a bearing seaze in there before as that can cause the clutch bell to wear. Are you using the Alu bell or steel bell?
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Old 06-01-2014, 04:44 AM   #575
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Originally Posted by MantisWorx View Post
Post race tire wear:
I have no idea why the rear right wore more than the left, track has a huge right handed high speed sweeper

Front was perfect:

not as pretty as it was when i got there!!



Once i go over the car i will explain how the weekend went, it was interesting
Don't worry too much it's normal for the right to wear more than the left when you've got such a high speed right hander...
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Old 06-01-2014, 04:47 AM   #576
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My first run with my WC and all I can say Is what a car. At my local track, blue diamond in New Castle DE. I came in at third place and the car handled perfect. A little more track time and I will be stopping to the top spot.
Great job!! That's one of the things I like the most about Serpent products is that they just go well right out of the box without having to spend loads on option parts and different setups etc. They have great starting point to work from!
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Old 06-01-2014, 08:58 AM   #577
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Don't worry too much it's normal for the right to wear more than the left when you've got such a high speed right hander...
but it's a right sweeper-left should be more worn unless there are some sick left turns elsewhere on the track
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Old 06-01-2014, 09:57 AM   #578
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but it's a right sweeper-left should be more worn unless there are some sick left turns elsewhere on the track
Haha. Very true, it's been a long week lol!! Let's ask another question. What was the difference in wear L/R? How is the rest of the track? My point still remains though that it's not unusual for the tyres to wear uneven L/R depending on the track layout and rotation direction.
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Old 06-01-2014, 08:59 PM   #579
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Old 06-02-2014, 01:42 AM   #580
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Haha. Very true, it's been a long week lol!! Let's ask another question. What was the difference in wear L/R? How is the rest of the track? My point still remains though that it's not unusual for the tyres to wear uneven L/R depending on the track layout and rotation direction.
Swapping the tyres regularly will have them wearing evenly. I have noticed setups with different l/r chamber. I think this is a function of tyre wear too, that is if you get to much of a tapered tyre wear then you add a bit less chamber to that side. Can anyone confirm that this is how to set chamber on a 1/8?

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Old 06-02-2014, 01:45 AM   #581
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You shouldn't have very much wobble to be honest. Did you have a bearing seaze in there before as that can cause the clutch bell to wear. Are you using the Alu bell or steel bell?
Using a steel bell. No seized bearings as far as I can tell. I think if you somehow seized the bearing it would make such a racket and your car would be creeping like mad, I dont think anyone (ie the previous owner) could have missed it but you never know. Anyone have a brand new bell just fitted that can report on 'wobble'?? thank you
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Old 06-02-2014, 01:49 AM   #582
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Haha. Very true, it's been a long week lol!! Let's ask another question. What was the difference in wear L/R? How is the rest of the track? My point still remains though that it's not unusual for the tyres to wear uneven L/R depending on the track layout and rotation direction.
Maybe the car isnt set-up properly, ie major tweak??
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Old 06-02-2014, 05:45 AM   #583
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Maybe the car isnt set-up properly, ie major tweak??
But surely that would manifest in a car that was extremely difficult to drive? However Mantisworx mentioned that the car was good and he finished well placed so I doubt he had major chassis tweek or other setup issue?
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Old 06-02-2014, 07:15 AM   #584
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But surely that would manifest in a car that was extremely difficult to drive? However Mantisworx mentioned that the car was good and he finished well placed so I doubt he had major chassis tweek or other setup issue?
Exactly!! car was a dream to drive, scaled to perfection, never wrecked and brand new! front tires wore almost perfectly flat and if you look closely at the rear pic the LR tire is actually larger/coned and the RR tire which is close to flat. The track had a sharp right turn entry into a large top speed gradual sweeper, into a sharp 180. It had a slight high speed push into the last 180 which didnt bother me and actually made it easier to go into it without having to use brakes. I am not familiar with this class or its tendencies and I am definately not complainig , just wondering if this is something typical or not. It was my first time racing this car and the class and brother I am HOOKED!!!

On a side note looking at the other cars post race their rear tires were coned pretty bad but i was faster so maybe i got something right

It was a 45min main and i did not change or rotate tires during the race, i also cut the tires down to 75/68 before the race. And ran 1 set of tires through all qualifiers and practice on saturday!
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Old 06-02-2014, 07:47 AM   #585
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Marcus,

Its been a while, but I was experiencing the same type of tire wear when I was running the 966 at RCRCNT. I think I played with the length and mounting location of the rear upper suspension link and got the tires to do the accepted cone on both tires. I have to admit though, your car looked plenty "acceptable" to me during the main regardless of how the rear tires looked at the end.

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