35 off head

[yb200]

would i be ok to run 91 oct with 35 milled off the head

 

[mr_3_0_5]

whats the compresion? have any detonation?

 

[yb200]

i havent got the head yet....the guy said 156 psi

 

[mr_3_0_5]

91 0r 91 should be fine.

 

[yb200]

i read in the head mill sticky that 156 psi is 40 off and anything aboce 35 will need race gas....hmmm

 

[mr_3_0_5]

i dont think you will need it..

 

[yb200]

what psi is your bike that you run 100ll

 

[mr_3_0_5]

180+ !!!!!!!!!!

 

[yb200]

wowzers!!!!!!!!!

 

[yb200]

35 bucks seem like a good deal for the head

 

[mr_3_0_5]

idk.. ive never paid for head before..

 

[Mrs_3_0_5]

depends on the quality of the head

 

[mjstone85]

have kennedy redesign your cylinder head for you. it's better than just milling the head.
cost a little more but worth it.

 

[yb200]

what does he charge

 

[gonzo]

milling your head .035 will up the compression which is good, having a squish band that wide with alot of comp. not so good, a good rule of thumb is 150 or less premium pump fuel (93 or 94 octane) up to 170 mix pump premium and race fuel, up to 180, 100 octane race fuel, and my personal opinion no blaster (unless drag race) should have over 165lbs. comp.

a side note 135 lbs. mid-grade, 120 lbs. 87 octane

 

[yes se-r]

what does he charge

ask him lol
15151515151515

 

[slipknot23]

is that one on ebay yb200??

 

[mr_3_0_5]

milling your head .035 will up the compression which is good, having a squish band that wide with alot of comp. not so good, a good rule of thumb is 150 or less premium pump fuel (93 or 94 octane) up to 170 mix pump premium and race fuel, over 180, 100 octane race fuel, and my personal opinion no blaster (unless drag race) should have over 165lbs. comp.

a side note 135 lbs. mid-grade, 120 lbs. 87 octane

180psi and up and you need better then 100 octane..

 

[gonzo]

yes, good catch 305 that should say up tp 180 100 octane over 180 is goofy for a blaster so I wasn't gonna reference 114, I will fix the post!

 

[super noober]

idk.. ive never paid for head before..

LMAO!!! thats the funniest sh*t ive read tonight.