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I think you could go immediately to the 48 grams that Jim recommends; we run 18 grams with no trouble, but we also shift at 10 grand.
If you just need the material, Chassis Shop might cut you a piece. Otherwise try Aircraft Spruce.
Usually you need to run 2 divisionals to be eligible to enter a national event. For top alcohol, entry is usually free (car, driver and 5 crew)...
I use a large hose clamp to squeeze the front of the rotor together, once they slide into the case 3 or 4 inches, you can remove the hose clamp.
Very good spring. Make sure the push rods have lots of oil though.
There's always got to be at least one jerk in every crowd. I was also very excited when IHRA came to town, but haven't been so impressed since....
Also, what weight of oil are you running? We found that pure 70 wt made our bearings look really bad, changed to 60 wt and everything was fine....
You're likely running it too hard for the wet sump system. We had the same problems a few years ago, and changing to a dry sump seemed to make it...
60 thou is about absolute minimum, at high rpm's the pistons will touch the heads. 80 thou or so is about right.
Already did it last year.
I think it would be pretty simpler, go back to the roots blower and set an upper limit of 50% over. I think the dragsters and funny cars would be...
I don't remember any parity headaches. Seemed like anyone could step up at any time to win the race, set records, etc, regardless if it was a...
Be careful going to a 2 speed, it will be very hard on bearings if you tug the motor down too much. Tried it once, won the race on a slippery...
No, I just tried something similar the other day, couldn't do it either. Maybe Will can tell us what we're doing wrong.
That was with a 4.375 bore, but I still use .032 gap with our current 4.310 bore. I can't say for sure they were hellfire rings, I think I had...
The K11 rotors are the ones to run, they're fast and seem durable. The K8 rotors have a very thin section between the teflon groove and the...
I don't believe 24 on the top is enough, when we ran that much gap the sleeves were getting scored all the way around, and the rings/pistons were...
I put an O-ring in the top ring groove of the piston (so no fluid leaks out), and bring the piston up to TDC. Level the deck of the block. Use a...
Doesn't matter how many cars show up, IHRA was intent on making the field smaller, so they did. By my count, when the 8 car fields were created,...
All things being equal, the smaller motor will make more boost. You may get more torque out of the bigger motor, but you need the horsepower in...
