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Glad I could make a good discussion happen here, but I already know how superchargers work, and what they do. I know how to buy a bolt-on kit and make it work on a full sized motor, that's not the issue at hand. I am trying to get info on blow-through carbs for small engines, fabrication info...

Hey guys, sorry if this thread already exists, I couldn't find one on here. If there is one, some direction to it would be appreciated. Anyway, I am considering doing cheap supercharger project on my kart, using most likely an old smog pump. I don't have one yet, I'm still in the early stages...

Thanks for the replies, didn't mean to start an argument about timing! Anyway, I only mentioned the stronger springs because I had an old tecumseh before my predator that floated and ate an intake valve at stock rpm. Granted, it was fairly old and worn out and, well, a tecumseh. You'd be right...

What's the best low rpm cam for a predator? I'm looking for a relatively cheap can that will give good torque below about 4200 rpm. I plan on upgrading to a billet rod and heavier springs, and hardened pushrods if necessary, but the stock governor is still in place, with the screw backed all...

My Kart at home has a bone stock predator 212, 12 tooth clutch, 72tooth sprocket and 15 inch tires, and I can hit 36 pretty dang fast, and all I had to do was back out the throttle limit screw. I did the math, and a 60 tooth would take it up almost another 10mph. I would bet with that torque...

Cool, thanks for the info. Another thing I was wondering about is octane. I know that in full on automotive engines it prevents detonation and helps with timing, but does it make any difference in these engines? Like I said, my engine is totally stock. I once had to put some gas in it that had a...

I've heard some rumors that running a predator on E85 will help it run slightly cooler, or even pick up more power. But if that's the case, I can't help but wonder why that big warning sticker comes on the engine saying no E85. Will running E85 on the engine with no mods have any effect, good or...

Wont this cause the valves to float and the valve retainers to come loose, potentially dropping a valve? This happened on an old Tecumseh of mine when the carb got stuck at full throttle and the chain came off, even with the stock governor in place. The results weren't good. And i'm not really...

Cool, thanks for the info. I'm also thinking about removing the governor, but the website recommends getting a billet flywheel, as the normal ones have a tendency to grenade. I'm not looking to spend that much dough on this build, so is the new flywheel really necessary? Thanks.

Sorry if this thread already exists, I'm still pretty new here and haven't looked around all that much. Anyways, I recently bought a predator 212 for 120 bucks new from H.F., and I'm looking to hop it up a little, as it's still a little slow. I'm not looking to spend too much money, like <$30...

Awesome, thanks for the info. None of the old motors on my other toys are even that sophisticated.

I recently bought a new predator 212 6.5 horse for a little single seat go kart of mine after dropping a valve and shattering a piston head on an old tecumseh. After break in and installation, it was noticeably quicker on acceleration, with a similar top speed. (Single gear driven, similar rpm...