Can any one guess what he is making?

My son's much younger but that is about the way he thinks.

Curtis Sparks from "Curtis Sparks Racing" came to our race trailer in Illinois. He asked my son what hell he was doing to the motor on his 99 air cooled 400 He was just pulling away from the Liquid 05 450's?

When he told him he made his own 15-1 piston. made his own transmission gearing. and modified the troublesome (Curtis Sparks Flat side carb). Made it Kick start, Totally did away with the Battery and the rev limiter in the CDI. And many more tricks. It revved like it was electric and pulled like a diesel. Curt was amazed that they never thought of some of his Ideas.

The quad weight was under 300#

he also raced 250r's and 450 liquids. He had several , He took a picture of all of them at the track one day. He has been clocked at over 94 mph on the track.

We have videos that are really hard to believe how fast he was at a young age. That is him to the right and these were 4 of his quads he had at the track that day.
from the left

The gray one was a yamaha 426.

Then his stock 250r

Then a 400 made into a 460 screaming monster.

Then a methanol/nitro 2 stroke that many came to watch go.
1028477-44f6c5f47f43fdbd3d914c4bbf94cb1a.jpg

He had it set up that at wide open throttle. it would suck the fuel right from the tank.A 2 stroke will take as much methanol as you can throw at it. But if it diesels you are not stopping the run away until the tank is empty or you can get your hands on the petcock.
1028479-cb40c7e23aa28bcafc130d7b5d004e98.jpg

Once it happens you are on for the ride until the bull runs out of fuel. Something like a rodeo. I saw him go a lap and crash and I have seen him go two laps out of control and win the race after calming it down.

He always came in with that same smile on his face. Weather he was on a stretcher or riding off with the flag.

spoiler pics 745 (2).jpg

spoiler pics 739 (2).jpg