Jongbloed 15x10 On Track Car

[robgoesvroom]

What is the actual measured tread width on those 245/15 rc1's?

According to Maxxis 9.8" section width

vs 225 RS3 at 8.9"

[tinkerputzer]

Thanks, tread width is different than section width though. I'm guessing the tread width will end up around 9" or so but every manufacturer varies a bit.

[RoccoB517]

Here you go.

15x10
245/40r15 Hoosier R6's
DTM Flares
25mm spacers Rear
20mm spacers Front
Motorsport Hardware holding them on.

[HennaE30]

Dude that's sexy as fuck.

What front valence/bumper is that?

[FunfGan]

Hold up going to need more info on that Odyssey in the background, please tell me it hit the track

[RoccoB517]

Hahaha! That Odyssey is caged and on Rcomps....

[Wh33lhop]

looks great! more pics from everyone. give me some vicarious livin'.

[Hooffenstein HD]

Hahaha! That Odyssey is caged and on Rcomps....

The Honda crowd are a strange bunch.

[GillesBigCowboy]

A couple of years back there was an Odyssey racing in our run group with NASA at RdAtl; I think it had some sort of Honda Racing support, and was really nicely prepared. In a straight line it left my spece30, but it was thankfully slow in the corners (getting beat by a minivan would have sucked!).

But back to the subject at hand, Rocco. We all see how nice this setup looks, but what about performance: do you feel like this wheel/tire setup gave you some real measurable (or significant) performance gains?

[MX339]

A couple of years back there was an Odyssey racing in our run group with NASA at RdAtl; I think it had some sort of Honda Racing support, and was really nicely prepared. In a straight line it left my spece30, but it was thankfully slow in the corners (getting beat by a minivan would have sucked!).

It's still around. It was built by a bunch of engineers from the Honda plant out in Alabama, and this past year it was significantly improved over the stock engined and automatic transmission equipped one they ran in the past. Now has a screaming engine and a 6spd sequential. Here it is getting plowed into by a SE30.

[iwantspeed]

right before you spun the car in front of you seemed to be driving relatively straight maybe pointing a little to the right and he got loose all of the sudden maybe some oil?

[MX339]

That wasn't me, but both of them put a wheel on the paint coming down into turn 12 which is a no-no in the wet. Rob in front caught it, Jeff did not.

[team9]

Any videos from the track weekend Rocco?

[RoccoB517]

Any videos from the track weekend Rocco?

Sorry, no video this time around. More working on the car happened than driving the car. I'll try to get some at CMP, if not the Dragon in June.

[RoccoB517]

I thought I'd jump back in and share a little feedback on these since I've run a few events now. The grip is great with the 245/40r15 Hoosier R6, but despite being slightly stretched on the wheels I've found that feedback is a bit numb and turn in isn't as crisp as my 225 Nitto NT-01 on 8" wheels. I have my camber adjustment in the rear maxed out to 2.5 degrees, but I will be building custom trailing arms during the off season because I feel like 3 degrees will be best, especially with the giant wing I have on the car now.

To help the car turn better I'm planning on taking some of the caster out. I felt the car was most stable and effective with 9.8 degrees of caster before the bigger wheels/tires, but this setup is acting completely differently (as is to be expected).

Another thing to note is that I CANNOT keep tires on the car. I could be getting unlucky with the take-offs, but I definitely don't feel like I'm overdriving them. They are cycling out super fast, and I'm thinking that the need for more camber in the rear might be killing them.

I will be starting next racing season on a set of 274/35r15 R6's, and will be picking up a second set of the Jongbloed wheels with some 245/40r15 Maxxis RC-01 on them, so that will give me an opportunity to test them side by side and provide some further information on that.