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2018 SM (Street Mod) Autocross Discussion

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Old Oct 8, 2018, 04:06 PM
  #76  
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Originally Posted by psushoe
How many pro solo launches on your csr, Dallas? I used to do over 200 a year. I started breaking a lot more stuff after the motor build, but that was also when I changed to a triple disc. Hoping to get break that habit (lol) with the twin I put in mid last year. About 60 launches since then...
ProSolo launches is something we definitely have far less than you guys. I might have 200 total prosolo launches in the car. And on ACT XTSS. And even then, I preload the clutch at the line so no extra slop (im dragging the clutch slightly as Im on the launch limiter with ebrake holding me in place). And even then, Im spinning the fronts to 1.7 60fts mostly. I dont think I've hit a 1.6 60ft in quite a while. All just to not break really.

I do tend to spin the wheels pretty well through 1st which really means If I need to turn I gotta let off or shift. Really need to get into my own ACD tuning to see if theres some help I can get there. In packwood I could actually smoke the front tires.

Old Oct 9, 2018, 03:48 PM
  #77  
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I preload the clutch and spin as well, but with the triple it was too hard to get slip as it heated up. The OSG twin is so much better and is holding well to the abuse.
Old Oct 9, 2018, 03:50 PM
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I also spin all four. Maybe your acd clutch is not working right, but after the initial spin of the fronts it should transfer power to the rear by increasing lock up.
Old Oct 9, 2018, 04:03 PM
  #79  
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Oh yeah, I totally forgot about the OSG twin option. I was considering swapping finally to a twin and was considering the Exedy HD but sounds like thats another good option. May have to check with my contacts for a price on them.
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