carb help on an 06

[ryanowarrior]

i redone my motor here awhile back with high comp piston, and portin also have a full Sparks exhaust....question is when i get on the throttle wide open she cuts out. only then does it do it. i put a 185 main jet and its got Uni filter and K&N power filter lid

any ideas on what to try?? thanks guys

[DnB_racing]

if its an 06 with the fcr carb then 185 main is way to big!! I have more mods and I run a 168 main, but I probably should have a 170 max,
I might be just a slight bit lean but I rebuild yearly and its never shown any signs of detonation

[ryanowarrior]

What would u sugguest?? Main jet wise??

[DnB_racing]

Originally posted by ryanowarrior
What would u sugguest?? Main jet wise?? 165-168 main

[ryanowarrior]

Ok thanks I think all I have extra is 162 and 170 main what are things to notice when I try them out? I just thought the 185 was to small since it was cuttin out at WOT but I don't know much lol thanks man

[DnB_racing]

there is a difference between cutting out, like its popping and the feeling like its hitting a rev limit or. almost bogging, if its bogging or hitting a false rev limit then its to rich! if its popping its to lean!

[ryanowarrior]

Yep false revin no popin! Only got the 162 and 170 main on hand I'll try them and see where she stands! Thanks again

[coltrain65]

I run a 162 in mine i have ac flow full exhaust with uni filter and no lid, my pilot is a 45 needle on 3rd clip and fuel screw stock, mine is just a tad lean i have just a slight crackle i would say a 165 to 170 would be close for ya.

[ryanowarrior]

Ok so today I put in the 170 main, it helped alot took almost all the false revin out! Still have just a lil bit but not much at all! Should I try the 162 main? Or what size in between maybe 165 main?

[coltrain65]

i would drop down to your 162 and try it, if it sounds like it backfires or crackles when you go from wot to idling down its lean and you should try a 165 or 168. what size pilot do you have and do you have an aftermarket needle? mine used to false rev alot with my needle on the 4th clip so dropped it to the 3rd and fixed my problem. also put a new spark plug in it right it hard for a while then pull your plug and see what color it is if it's black drop down to a 160.

[ryanowarrior]

Originally posted by coltrain65
i would drop down to your 162 and try it, if it sounds like it backfires or crackles when you go from wot to idling down its lean and you should try a 165 or 168. what size pilot do you have and do you have an aftermarket needle? mine used to false rev alot with my needle on the 4th clip so dropped it to the 3rd and fixed my problem. also put a new spark plug in it right it hard for a while then pull your plug and see what color it is if it's black drop down to a 160.

yea was gonna try the 162 also and see if i can pick me up a 165 and 168.. i have the HRC needle on 3rd clip

thanks for the help :D