300ex high compression piston

[rybaij]

I have a 300 and was wondering is it worth it to put a high compression piston in it. I was thinking like 11:1 with a stock bore. I'm looking for an inexpensive way to gain some mid to top end power. Another thing would i have to run race or high octane gas

[honda300EXtreme]

hey, it will give you better throttle response, and a little bit more power, also if i were you i'd run high actane gas to prevent detonation

[Sjorge450R]

Originally posted by honda300EXtreme
hey, it will give you better throttle response, and a little bit more power, also if i were you i'd run high actane gas to prevent detonation

you DON'T need high octane gas for a 11:1 in a 300ex. The 93 from the pump is plenty. The piston is very easy to install and gives a decent amount of power increase over the stock piston. Great upgrade for about $100

[Cody_300ex]

High compression is where alot of your power gains come from when you get an aftermarket piston. If I was you I would get .020 shaved off your head and the jug to get even more compression, which equals more power

[honda300EXtreme]

Originally posted by Sjorge300EX
you DON'T need high octane gas for a 11:1 in a 300ex. The 93 from the pump is plenty. The piston is very easy to install and gives a decent amount of power increase over the stock piston. Great upgrade for about $100

thats what i ment, higher octane pump gas, theres definatley no need for anything higher, sorry about the mix up

[Sjorge450R]

Originally posted by Cody_300ex
High compression is where alot of your power gains come from when you get an aftermarket piston. If I was you I would get .020 shaved off your head and the jug to get even more compression, which equals more power

then you WOULD NEED to use high octane gas. lol

[Cody_300ex]

Originally posted by Sjorge300EX
then you WOULD NEED to use high octane gas. lol

Oh yeah, I atleast run a 75-25 110/93 mix. Mostly 110 straight. Nothing under or it runs terrible.

[JIMFROMTEXCO]

I had an .20 over 11:1 wiesco and it ran fine on 89.

[2muchquad]

My 300ex with the 385kit with a ACTUAL compression of 11.7 to 1 or so runs fine on 93oct.I tried race gas mix before but i came to the conclusion it was a waste of money.Results may vary with different set ups.

[Sjorge450R]

Originally posted by JIMFROMTEXCO
I had an .20 over 11:1 wiesco and it ran fine on 89.

well its not 87 so thats why. You may also have a high area of blended enthanal in your area. I tried 87 in my 300 once cause I got stuck with no gas in the middle of the neighbor hood and no one had premium, i will never even try it again.