Need some insight on a few things

[cincy250R]

ok here's what i wanna do

416 kit with a stage 1 hot cam 11:1
450r carb
HD studs
XR400 head gasket
CRF 450 timing chain
valve seals

who does decent porting ??? should i even bother????
should i get the 12:1 piston???? can you run pump gas on12:1 ????
will the stage 1 hot cam be good enough or buy a stage 2???

sorry but i'm sick of looking through a million posts to find the answer to my questions...... piss off search NAZI's

Thanks
-Dave

haha I'm pretty sure 11:1 is the highest you can go on pump gas 93 octane. Port and polish will really wake up your motor if you have that stuff done.

[zrpilot]

Originally posted by cincy250R
piss off search NAZI's



GROW UP!


Originally posted by FoxHondaRider
11:1 is the highest you can go on pump gas 93 octane



Have you EVER done any thing to your motor that makes the foundation for this comment?

11:1 and 93 octane pump gas being ok is not that simple!

Originally posted by zrpilot
GROW UP!



Have you EVER done any thing to your motor that makes the foundation for this comment?

11:1 and 93 octane pump gas being ok is not that simple!

i love how you cut out the part in my quote "i'm pretty sure" I didnt say for sure its just everyone says if you go highr that 11:1 you should mix pump and race gas otherwise it will knock. I know there are many factors and such but I never said that at a sure statemnt thats why i said i'm pretty sure not a i'm sure.

[honda300EXtreme]

there are many companys out there who do a good job with port&polish work

gt thunder, four stroke tech, curtis sparks, c&d racing, Tc racing
just to name a few, prices vary with each company and how durastic you want to go with the port&flow work,,

with your particular set-up i think it would be worth it,,,


to be safe i would stick with an 11:1 piston to prevent detonation
you could go with 12:1 but thats when it gets iffy,,, it you want to bump up your compression slightly you can remove a layer or two off of the head gastket and or not use a base gasket,, thats entirely your call,,

with the cam,, it depends on where you what the power to hit the most,, a stage one is a good bottom end cam,, ideal for woods and trail riding,, the stage 2 is more bottom -mid,, this is also a very good cam for low end grunt,,

but like i said it depends on your riding style and the type of riding you do,,

[JOEX]

Originally posted by cincy250R
piss off search NAZI's
Reply intentionally left blank:o

[flauge]

From what I hear 11.1 is borderline for pump gas and you might still get deto depending on what cam you use and where you live. Humidity, temp, and elevation is a factor also.;)