First Ride Custom TURBO MXZ 670!

I built this sled last year, it ran decent. this season I will finish the break in and try to make some power, but first l will need to make a better fuel system for it!
#skidoo #turbo

[@sylvainlaurence1554]

Really tuff engine,I see some here in Quebec with 60 000km ,one of the best ever made

[@rtaskidoo14]

That’s an insane amount of ride time on that machine

[@sylvainlaurence1554]

@@rtaskidoo14 lots of people here put 12 to 17 000 km in a year trail riding ,we got more snowmobile trail than streets,more than 30 000 km of groom trail

[@j.r.c.racing]

I blew mine up on the first ride. Last owner toasted pto seal and I replaced it when I changed the clutch, first day out I blew the mag piston. Rebuilt her in the snow and cold and then took more vids lolol

[@sylvainlaurence1554]

@@j.r.c.racing all engines got limit ,évent thé best one .

[@adamstone6123]

Fucking floor it God damn it!!!!

[@ryguy151]

I had a 95 Formula Z 583 that my dealership put a turbo on in 96

[@j.r.c.racing]

That's pretty wild! This thing kinda sucks hahaha rather ride my older mach 1 or my newer rev, this 97 chassis sucks

[@bearbait2221]

is there a vid without grandma riding it. love to see mod sled drive miss daisy

[@j.r.c.racing]

Naa it was just a waste of time, I'd rather ride My rev than this anyday

[@tylerselix5098]

What did you do to the carbs to get it running right. Did you lower the compression or add ring gap? I'm trying to build the same sled. Make more videos about this thing.

[@j.r.c.racing]

Haha thanl you, and I actually got some good info on a Facebook group with a couple older guys who made good power on these sleds. This is a stock 670 non ho motor so its lower comp, the previous owner (my buddy) was riding around with a blown crank seal and on the first run with the turbo it blew up not even in boost. I rebuilt the top end with spi pistons, and these videos are all from the first real rides breaking the set up in.

[@rtaskidoo14]

You still have the machine if so how’s she running now? Things bad ass

[@j.r.c.racing]

I do, end of last season I took a few vids getting on it and then the steering arm broke and that was about it lol haven't got to fixing it yet unfortunately

[@type1warroirrath427]

I doooo not miss anything primer fed

[@motomanick1247]

Its perfect...how bout the exhaust 🤣

[@deeew2]

What kind of mods can you do on these sleds that is not too expensive?

[@j.r.c.racing]

Really depends on what your goal and ride style is. For me I prefer the body style before these for handling and tuning. But you can upgrade a stock 670 with a set of twin pipes first off, jet the carbs for the pipes, little clutch work always goes a long way. This sled is bone stock besides twin pipes, and the turbo kit I made. I did some stuff to make the carbs work with boost and that's about it. If you have the 670HO motor you can buy different heads for more compression on a na build or less compression if you want to boost it. Overall, best mods. Twin pipes and clutch work. Thats really all you can do with out pulling the motor apart and doing port work on the cylinders

[@ronrichards2691]

Advance carbon rotary plate 2base gaskets thin head gasket half inch cut out of the header then weld the flange back on bevel both sides the rave values theres lot an lot of tricks to these 670 583 look on the forms

[@DCN_Daron]

670 motors really love big carbs. Get a pair of ones from a 670ho sled and if you want to put twin pipes on it. I think it adds like 15hp

[@j.r.c.racing]

Has the twin pipes welded to a turbo manifold. Not concerned with bigger carbs really just want to have fun and make a little boost playing around on the lake in winter. I most likely will retire the sled next season and then swap the parts to a better candidate

[@terrysavard1026]

GAY.....!!!!!!!!!!!!!!!!!!!!!!

[@danwheeler544]

This isn’t impressive. Not to bash anyone. My 2001 mxz 700 with 110 psi on the cylinders could still out perform this thing.

[@j.r.c.racing]

This sled is slower than a mx470 but looks cool so that's about it