salabarria

iTrader: (1)

ok so i was went to break in my LST2 and i ran 20 percent on the first tank i didnt even notice that i was using 20 percent can i change it to 30 percent because i only ran one tank on 20 percent

imaxx21

iTrader: (1)

sure

NCWC

You will be perfectly fine

salabarria

iTrader: (1)

ok thanks guys just wanted to make sure i didnt want to mess up the engine or anything

gotspeed_2000

iTrader: (12)

When you change nitro percentages, you will need to adjust your needle settings and also start your break in process all over from the start.

sharkman

iTrader: (18)

You do not need to break your engine in all over again.
Adjust your needles and go from there.

imaxx21

iTrader: (1)

+1

guambomb

beginner4life

iTrader: (9)

Generally engines don't mind going up percentage, but i think going down is not good.

deweyharding

iTrader: (39)

Do you generally have to richen the needles going up in %

Integra

iTrader: (8)

it all depends on the fuel.

mc_chofo

but what happens if going down? is it a bad thing or i just have to re adjust needles?

sharkman

iTrader: (18)

Just readjust the needles. you are just resetting the needles to adjust for the different ignition timing of the different %'s.

It is just a matter of personal preference but I always found with big blocks that going to a higher % needed a colder plug. 20% I liked a medium plug.
I have had 4 of these engines with the lst2/8ight/muggy.