Aftermarket heads?
#1
I was wondering what type of aftermarket head is better, prodesign's coolhead, or paul turners power head. My friend is thinking about getting a coolhead for his trx250r. I am thinking about getting one in the future sometime (91' lt250r). Does one work better than the other? What type of gains would you get if you put a aftermarket head on? low, mid, high, everything. Will it afect the reliability of the quad at all.
Thanks,
chuck
Thanks,
chuck
#2
Call Duncan Racing and ask them if Pro Design makes their power heads for them. When I asked they stumbled and didn't know what to say so it made me very interested. Let me know what cc dome you are thinking about buying for your 'Racer, nobody on here really has a good answer on which size to get.
#3
#4
A cool head will give you all around power gains, but only because it keeps your motor running cooler, and heat sucks horsepower. Its not going to give you tons of power, as on my 250r the stock head kept it pretty cool to begin with, I honestly didnt notice a difference from a stock head to a cool head.
#5
#6
We have a few milling machines at school that I may be able mill my head with if I want to do that. Currently I am getting a new crank and bearings put in my motor and I want to see what my compression is before I do anything like that.
What compression is it safe to run on premium gas (93 octane)? I don't want to have to run race gas.
Also, how do you tell if your motor is running hot if you don't have a temp. gauge or anything?
thanks,
chuck
What compression is it safe to run on premium gas (93 octane)? I don't want to have to run race gas.
Also, how do you tell if your motor is running hot if you don't have a temp. gauge or anything?
thanks,
chuck
#7
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