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I was thinking about putting a bigger bottom gear 38-21 (i have 37-21 now) making a 1.80 ratio!. Curious what you guy’s have to say about it?! Primary and secondary will be done per Brock and Doc recommendation!. 120-320/10-68 (will be adding tip weight) 50-44fp /140-220 spring

yeah you right! it's very appreciated Dr.. All the parts are ordered!! I'll send the sled for an inspection and installation next week! now it's just Missing some snow!..loll here the list! 140-220 spring 50/44fp 1.5deg timing keys (just to try) and maybe i will add a 155-222 rear spring to...

YEs thanks alot Mr indy!! i will try this trick!! not too expensive..lol Thanks Chief i'm gonna call him today!! i think i have all the ingrediant for a good recepee now, can't wait to try this!!!! i'm i the only one with the mod bug so soon?!..loll

Do you have a good pics of a nice set done?

thanks Frank! good to know!! alot of you on here like them!!

any idea where to find those Helix spec? didn't find any of these number on various site! I'm also in search for good solid weight that have good Tip weight! which one the favorite?? (or it will be the washer mod on the oem one, my father is a welder of carreer! just need a good balance)

Thanks for the input Dr, i sure will look for these and oh i'm at 180lbs fully dress up!

Good point there buddy! Thanks you very much! I'll add the pcv to my wishlist, you had me!..loll i'll finish my secondary setup and test it before tho!, one mod at the time right?!.lol what you think about my choice of spring/cam ? (trailriding in quebec)

What you guy's think about the 1.76 ratio?, alway's wondering! do i will see a difference to swap it with 1.74/73? or leave it right there and finish secondary setup instead? keep in mind that i don't want to add pipe and programer (i want to extract the most of the clutch/gear before adding...

I'm running 1.76 ratio

haha! thanks bud!! i'm sure gonna try this Helix/spring combo, i see them alot here, it seem like the fav one!! Not to forget my 184 record was on hard pack snow and it was a cluster speed(not so accurate..)

Go Guy's winter is coming!!! share your setup/feedback!! I will begin to source the parts i need soon!!!

Seem like alot of you ride in here! I'm from Levis (quebec) You do a long way to ride!,..lol do any of you speak french?! lol

I guess It's the next step to clutching/gearing to address these thing(rotational mass and rolling resistance).. loll I'll have to figure out my secondary clutch setup before tho!..lol As I understand Brock you have a similar to DOC setup but with the cobra ?(that i love on mine!!) don't want...

it's kinda hard to removed rotational mass of these thing no?? we talk about bigger wheel at the back, bigger driver, i know that they removed rolling resistance but removing weight is another thing.. that's a amazing setup you got there Doc, it take alot of knowledge to achieve something like...

I have a 1.76 ratio but wanna change to 1.74 since it seem to be a more efficient ratio, like the idea of removing rolling resistance. It's why I'm interest in this 9 tooth driver thing and big wheels at the back too!!! But i think my 1.356 cobra track with stud will be a problem for clearance...

Ok!! so to take full advantage of it, we must gear it down much more than 1.73-1.76, if i understand correctly!? It's very tempfull, i wonder if an oem part can be used?

What is the benefit of running a 9 teeth with the 2.86 pitch??

Hi Guy's, first sry for my english , i'm french so i'll try my best ...lol i've been testing different little setup last winter, just want to share my result with you!. also want to upgrade my setup for the next winter so help and feedback are welcome Sled is a S/B Pro-S 800 2016 I'm Riding...

It will raise a little, i've done 1.68 to 1.76 and gain 200-250rpm!