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:eek: WAHT THA WAT??? That is CARNAGE! Looks like a mild steel axle (which means softer metal), try to get a nicer axle for the next one, that one's toast. Also make sure the TC driver is a snug fit on the shaft, the key shouldn't be transmitting the power like that.

There's actually far more to RPM than it might sound, yes the raw components make most of the difference, but if you research professional engine building, there's so many intricacies to engine performance that range from the mathematical proportions of the bottom end to airflow swirl in the...

Yeah for some reason I barely felt the cold, I was wearing light cotton pants, my DIYGK shirt and my light garage jacket plus a ball cap. Barely felt cold even when I could see my breath. I have however gotten well acclimated to cold weather a few years back spending a lot of time in the...

Sure does look a whole lot nicer than my race kart! Also, funny to note, you post a lot like Kevin (Functional Artist). Seriously, when I read through this I almost thought it was him, you type the same way! :lolgoku:

All right I did it again! This time my friends gave me their Predator 212 race kart FOR FREE as a late Christmas gift!! :banana: If you think you recognize it, you're right! I raced my friends with this kart awhile back! I completely DUSTED them with the Hothead when they brought this kart over...

Haha in your dreams, my projects are NEVER that easy, there’s always some huge problem I have to fix.

As long as you can hire someone to tune it properly for you!! :roflol:

Who’s PF?? Oh wait- Project Farm. Took me a minute :roflol:

Uhhhhhhh YUCK!!! :ack2: I pulled the drain plug and THIS came out!! It started off looking like caramel and then turned to MAYONNAISE! After awhile it was so thick it actually stopped draining! I literally SCRAPED this stuff out of the crankcase, there was like 1/2" of it sitting in the bottom...

OOOOOFF Ouch! Well you did mention you'd bypassed the governor so yeah. :cornut: What went through? Was it the rod itself or something else?

Oh duh, I’m smart. :roflol: Nope, those pics are just fine, we mostly needed to know if it was a clone engine or not.

I actually lean away from fuel stabilizers if I can, it's extra chemicals and honestly kinda expensive. I know for sure my engine runs best when I put in straight 92 octane premium pump gas in the tank. If I could I would run ethanol free but it's scarce here in the suburbs. I've never had any...

Alright it’s been awhile, but just so y’all know, I’m still getting info out of this guy! He says he has 10-20K photos related to Bird Engineering! Can’t wait to see what I can find!!! :banana:

Yeah it seems to be like 10:1 or something with the number of Kool Bores to steel sleeved engines. I got really lucky that the Hothead engine is the sleeved kind in good shape. Glad I at least tore into this one though! I don’t have to regret possibly tossing a good condition steelbore! But...

So i got round to tearing apart the old 5 horse Briggs I severed from a 1977 rototiller, and just LOOK AT THAT NASTY MUFFLER!! :ack2: Those holes were from when I grabbed it by the muffler and punched a big hole in the rusted out metal with my bare fingers! It had about the same feel as a cheap...

Oh, yeah after looking at it again, definitely real Raptor; there's no governor arm hole, and of course it has the Raptor rod.

Uhhhhh, eeeek! WHAT HAPPENED TO THAT PISTON????!!! :ack2: But yeah, I’d say real Raptor as well.

Ooooh sweet kart! Those Streakers are good solid karts, Yerf Dogs are pretty popular too. :welcome2: from another JT! :lolgoku: Differentials are a special find on karts, hopefully that one still has a lot of life left! My best suggestions for parts is: www.ombwarehouse.com (my personal...

Ok.......for the record I've taken a break lately from the Hothead, mostly because I realized that the Tillotson swap will entail more than I initially thought, BUT also because I have a big project coming up this next week that I consider very significant and "the next step" in my karting...

Could you post pics of your engine? I bet it's some kind of GY6, I've heard they frequently have solenoid based cold starting fuel systems (like there'll frequently be a solenoid regulating fuel flow into the carburetor bowl). Of note, the main reason I've heard about these is because I've heard...