Re: Heads up
* Normally shift at a lower RPM, then shift at the optimum RPM during heads-up race.
* Swap out your normal oil for a lower viscosity. i.e.: normal 10w-30 conventional oil, heads-up 5w-20 or less special conventional or synthetic.(Consult your engine builder.)
* Rear end can usually have a quart or a bit more drained below normal capacity.
* Advance/optimize timing if running conservative.
* Make sure your jetting is optimized without a filter if removing it. Otherwise, removing the filter may lean out the carb if the filter has any restriction
* Add air to rear tires, IF it will hook with a smaller contact patch.
* If cutting weight close to minimum, remember to weigh EXACTLY what you take out and include the weight of any oil drained. Keep a little safety margin.
* Adding air to front tires will help minimize rolling resistance too, but it can also reduce rollout and quicken RTs. (Don't redlight.)
* Switching from same size bias ply slicks to radial slicks usually helps pick up ET as well as RT. But finish line RPMs will be a bit higher because radials don't grow like bias ply. (As long as your engine can handle it.)
Just remember that you have to be able to return to a predictable dial-in afterwards for the next run if you win the heads-up race.
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LOCOMOTION Racing
Last edited by Myron Piatek; 04-10-2019 at 05:16 PM.
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