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Are you CERTAIN that, when using the rotors that cause vibration, there can be NO overlap of ANY of the brake pads radially past the edge of the rotor, either toward the axle or away from it -- no...

After replacing virtually everything (one piece at a time) on the front end of a friend's vintage TransAm car for the same reason and not having any success at eliminating an intermittent steering...

Jake was the most recent previous owner of my car. He's very knowledgeable and very helpful. A great guy! And he did an excellent job of sorting the car I bought from him.

"So, any hard data on costs guys?"

No. I learned, several racecars ago, to NEVER keep track of expenses.

That said, I can, with good confidence, tell you what I have done to the car since...

I've been using Red Line CV-2 grease in both the differential and in the CV joints. My differential, like others on early Radicals, is a bit strange in that it has a cover which is not well sealed...

Well, it is a racecar, so it's not built with a lot of redundancy or excess strength, but I've not had any excessive breakage or wear issues (3 years; 25 to 30 days on the track). I had some...

I don't know how much this will help, but . . . I have an old Radical (ClubSport turned ProSport, Serial No. 40) that I run in small club races and on track days. Maybe 10 days a year. Maintenance...

As I mentioned earlier, I also run a ProSport -- track days and racing with a small club that runs "vintage" rules (no contact). I am my own one-man crew. Two issues took some attention:

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I posted the same question (but worded better) on the DSR Forum. Here's a response posted by Hasty Horn which includes (gasp) data:

Back in the days when Yamaha first started building shaft drive...

Mea culpa: I shouldn't have gotten this discussion derailed into "splits" and "splits of splits."

My concern (at the moment) isn't overall gearing, it's efficient transfer of power from the...

Thanks to all for your thoughts on this -- so far. I'm still not sure how to go forward.

The only tracks I run regularly are Sears Point and Thunderhill. My current rear sprocket (50T) gives me...

I've been running a 15 tooth front sprocket on an '08 GSXR. On track I never use 1st gear and don't use 2nd very often (probably should use it more often). Reading as much as I can about driveline...

Highroller:

I tried to PM you, but ApexSpeed says "no."

PM me with your e-mail address and I'll take some pictures of my seat arrangement and send them to you.

Yellowesty

I'm also a ProSport owner, and yes, they are very "fast, fun, and relatively cheap."

The seat was the most unpleasant aspect of my car (other than the absence of a place to plant my left foot --...

-Figure out how to make the engines last
-slow the cars down to get out of the atlantic field
-figure out how to make enforceable engine rules or just use DSR rules

1 liter
12,000 RPM limiters...