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View Full Version : stage2 hotcam, 440 big bore-->jetting



440ex. ehhh!!
06-22-2010, 05:34 PM
so in a few months when my Flat track season is finished, i am putting a stage 2 hotcam in my 440.
i was just wondering what kind of jetting i would need. i ride in different elevations also, race at 200-300 meters ASL and other then racing i am at about 100 meters ASL
ps. 39.375 inches per meter. :p

it has exhaust but i don't know what type of exhaust :confused:
can anyone tell me what this exhaust might be???
http://i987.photobucket.com/albums/ae357/josh440ex/ATVing/sspx0163.jpg

Thanks
Josh

dalejiw25
06-22-2010, 06:09 PM
Hey there, Check out my sig below, Should get ya in the Ballpark. I ride around 1000 ft. so you're bouts the same.

440ex. ehhh!!
06-23-2010, 09:10 AM
okay thanks. but wont it make a difference because yours is a stroker??

440ex. ehhh!!
07-01-2010, 05:40 PM
also, what brand should i buy for the top end gasket? i can get a Namura top end gasket kit for $40 on ebay. good??? or can i find a better deal somewhere else?
Thanks
Josh

bkelley
07-01-2010, 06:01 PM
I stay away from all Namura products. Go with a Cometic gasket kit. You should be able to get one from C&D Racing (the site's sponsor) for a decent price. Just shoot Colby an email here (http://www.exriders.com/vbb/member.php?s=&action=mailform&userid=1507).

PaRedneckRiders
07-01-2010, 06:13 PM
Originally posted by bkelley
I stay away from all Namura products. Go with a Cometic gasket kit. You should be able to get one from C&D Racing (the site's sponsor) for a decent price. Just shoot Colby an email here (http://www.exriders.com/vbb/member.php?s=&action=mailform&userid=1507).

X2 on the namura stuff, im not a big fan of it but if u were running a 2 stroke and rebuilt it every couple months or every year they prob wouldn't b bad, im sure they would hold up for a year until the nxt rebuild

440ex. ehhh!!
07-01-2010, 09:14 PM
alright thanks guys.
and i believe you meant to say "Cosmetic" :p no biggy.

bkelley
07-01-2010, 09:18 PM
Originally posted by 440ex. ehhh!!
alright thanks guys.
and i believe you meant to say "Cosmetic" :p no biggy. I don't think I did.

http://www.cometic.com/

440ex. ehhh!!
07-01-2010, 09:23 PM
Originally posted by bkelley
I don't think I did.

http://www.cometic.com/

yea yea, i just figured that out :p
haha, lookin on ebay and i saw like 4 adds that said Cometic and i was like, ohh sh** better go edit that cmnt before he sees it. :p too late i guess.
aha

bkelley
07-01-2010, 09:27 PM
Originally posted by 440ex. ehhh!!
yea yea, i just figured that out :p
haha, lookin on ebay and i saw like 4 adds that said Cometic and i was like, ohh sh** better go edit that cmnt before he sees it. :p too late i guess.
aha It's all good. I read it as cosmetic the first time I saw it, too.

07-02-2010, 06:05 AM
cosmetic is good up to 11.1 comp. after that i would use wiseco there better. this is just what i have found from working on my 440.

440ex. ehhh!!
07-02-2010, 09:46 AM
Originally posted by ericcrip
cosmetic is good up to 11.1 comp. after that i would use wiseco there better. this is just what i have found from working on my 440.

okay thanks, i think thats what I'll end up using because the 440 kit is wiseco anyway and their Gasket in it now i have had no problems with.
Josh

07-02-2010, 10:49 AM
glad to help you.