I wish I could say that is true for me. I have gone slower on the new tires while the kids have dropped .2 - .4 seconds a lap on our 4/10 mile track.
With what motor package? All of our track record were obliterated this season with the new tires. I would be curious how the SH2 affected Briggs 206 times. Not a lot of HP to get those tires unstuck in the corners. Thankfully, our club is smart and runs MG Orange for the 206 classes.
Our club had anywhere from 18-25 entries in KA Sr. A majority of top 15 are drivers who also race regionally or nationally. You better bring you A game with this class.
@tjkoyen never came to race for his 6 pack. Maybe next season.
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I decided it would be cheaper and easier to stop at the liquor store on the way home and buy my own.
What is the feedback on the MG Orange tires like?
We switched from the Hoosier R60B tires to the Hoosier R70 this year and while the durability was great (6 race days on a KA100 Master kart without falloff) the lower horsepower 206 karts (especially sportsman) were running 35psi or more to get them to come in.
Looking forward to a new motor and a fresh build for next year. We jumped up to KA this year and ran with only 1 motor. Found the carb to be super finnicky on the motor, even after 3 rebuilds this year. When its right, it runs very well. When its not, I struggle to get it right on the stand (my ear for tuning sucks). My son doesn’t have the experience to get it right on the track. Likely a combination of ignorance and learning curve on our part and running a well used piece.
Definitely possible for carbs and engines to not match up well. I’ve mentioned before that I have had carbs that wouldn’t run very good on certain engines and simply swapping carbs between engines made them both run better.
Carb tuning takes some learning for sure. When I was a kid I used to spend sessions in practice going out for 1 lap, making an adjustment to the carb and coming back in to see where I actually set it to get a feel for the needle.
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We run the reds for the 2 cycle (Swift/KA) and orange for the 4 cycle (Briggs). We’ve been on this combo for probably 7 or 8 years now. You can easily run a full 14 race club season on 2 sets of Orange tires. I believe our racers are in the 30 PSI range as well. When we ran briggs we had a set for practice and set for racing.
It’s an affordability thing for us. Briggs 206 is intended to be an affordable package to run, so we keep it that way by eliminating tires as a factor in winning races.
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John I run KA. The track record for KA senior was reduced by .3 of a second this year but for whatever reason I have not seen the same pace increase. It also seems like the SH2 wears quicker and when they are done it is obvious.
Robert-
We run 3 configurations. Track records dropped from 2023-2024 as follows:
National Track: 48.248 to 47.387
Classic Track: 39.725 to 39.052
Bust Stop Track: 39.033 to 38.274
As a side note, the same just barely 15yo broke all 3 records, and runs regional and national races. But the top 10 that day all broke the previous track record.
We have a fairly left handed-heavy track, so some racers will flip the years to get a little more life before buying new. I do agree that when they die, they die.
And tire pressure . . . we ran anywhere from 14psi to 25psi on them. I could never really tell the difference.