Micheal Tomac
been pulling forever
Friend of mine hit 1600hp with his Duramax on fuel and wants to make some nitrous passes but he needs more tire. What 16" or 17" tires would be the best to dyno a high hp truck?
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When we first strapped down Todd's new monster triple turbo race truck, we were having difficulty maintaining traction at just 1200 measured HP. The truck is running 18" raceline wheels with Mickey Thomspon Sportsman S/R 28x12 tires.
After strapping down the truck various ways, we found a strap angle/method that really helped with traction and now can start runs in 1st or 2nd gear and do full-power gear shifts up through all (4) gears. Now the problem is spinning the tires on the rims, on bad runs we're getting 2" of tire slippage on a single run. Here's a short video from when it was making pulls in the 1200 to 1500 HP range.
http://www.youtube.com/watch?v=7Zrx362yze8
Have you bought a screw kit for the tires?
This is on the "street" tires, not the DOT Drag Radials, we'll just have to keep on eye on them and hope they don't tear the bead off.
FYI, guys that strap the truck on the back of the rollers thinking "if it has to climb the roller it will hook up better and tighten the straps" are dead wrong!
Strapped down on the top of the roller works well when the tires are slightly deflated and for single gear pulls with minimal strapping or straps that stretch.
For maximum traction/shift spikes/simulated 1/4mile runs 1st thru 4th gear runs with heavy loading via eddy brakes, you have to strap down on the front portion of the roller, but have enough straps, correct strap angle, proper down tension, etc. to make it stay put and not stretch enough to come forward off the rollers and rub the ground.
I'd really be eager to drive out there and spend a day or two on the rollers. I hope Todd's offer is still open. It is slow goin in the hobby world this year.
I'd really be eager to drive out there and spend a day or two on the rollers. I hope Todd's offer is still open. It is slow goin in the hobby world this year.