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was told that my 1994 3.1 has a 52mm and changing to a 56mm would help. Anybody got one?

Where is the best place to locate the 56mm throttle body and new downtubes?

Don't want anything to drastic, maybe retune computer etc.....and if 3x00 can let me know what he thinks about transmission on the oval that would be great. I am not looking to open this engine up at all, just get it to run the best it can as it sits. I also heard unplugging the EGR valve??

I was not thinkning anything that drastic, more along the lines of tuning/performance chip? I am not opening this thing up. My 12 year old is running it and very likely going to be banging it up a bit. Also, run it in 2nd? Easy mods....

The tech guy recommended it as did the other 7 or 8 that run the class we spoke with. There is nothing in the rules saying not to get maximum performance out of your engine.

Looking to get the most out of this 3.1. My son has left karting and is going to run this car on a oval dirt track. What can we do to maximize performance? Can't do too much externally due to tech. Any thoughts?