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  1. JTSpeedDemon

    Mini Bikes And Predators: First Impressions

    So I was at a friends house today, and I got to ride their kart and minibike(two other bikes, a Doodlebug in pieces, and a Baja Warrior buried in the garage, but we didn't get to ride them). The minibike was a Monster Moto 80, with a SMOKIN' 2 HP!!:lolgoku: Even though my dad won't let me have...
  2. JTSpeedDemon

    Vintage Kent Rollin' Thunder

    Well, I got another project! If you remember my top secret Echo leaf blower, this is essentially under the same conditions. Secret. :stir: Except I gave back Darrell the blower, since it's just too many projects, and it still needs parts and won't be very useful. So in short, I got this late...
  3. JTSpeedDemon

    Devices We Use

    Out of curiosity, what devices do y'all use to read on this here forum? Pick an option in the poll and tell us a bit about it(what you like/dislike), and shoot, I'm techy. If it's custom, gimme a technical descriotion! I usually use my Dell Latitude D620 laptop running Windows 10, but...
  4. JTSpeedDemon

    A Little Odd.....

    I was just in the Who's Online section, and with the guests, I noticed that about 90% of rhem are reading THIS thread:http://www.diygokarts.com/vb/showthread.php?t=19 It may be a crazy coincidence, but it tripped off my fishy sensors.
  5. JTSpeedDemon

    Cooling With A Smaller Flywheel

    Ok so I just got this really clean 3 HP flywheel from my buddy Darrell(the guy who sold me the rototiller) along with some other parts for $1. I want to put it on the Hothead for performance reasons, but I just have one inkling concern: Will the smaller flywheel move enough air to effectively...
  6. JTSpeedDemon

    Build Off Trophy MISSING!

    The DIYGK Build Off trophy is MISSING!! :eek: If anyone has any information or leads as to where it is, please post as such! Flyinhillbilly made it, here's the thread: www.diygokarts.com/vb/showthread.php?t=35768 EDIT - I have PM'ed Chancer, hopefully he'll reply(who knows what happened to...
  7. JTSpeedDemon

    Cardboard Viking Longship

    Say hello to the Sparrowhawk! It's 100% DIY!(I built it when I was 10 or 11):wai: I built this awhile back, our ward was having a Cardboard Regatta, with each of the sub-organizations building a boat. I was then in the children's Primary, and of course the leaders didn't want to let the kids...
  8. JTSpeedDemon

    The Origins of Karting

    https://www.hagerty.com/articles-videos/articles/2019/12/26/how-go-kart-racing-started-at-the-1957-rose-bowl?utm_source=SFMC&utm_medium=email&utm_content=20_January_04_Weekend_Newsletter I saw this article, and I thought it was cool so I decided to share! It's nice to have the story of the...
  9. JTSpeedDemon

    Best Chain Suggestions

    So I've been using cheap Chinese half links for awhile, and they keep failing:oops:. I think it's the imperfect chain alignment, and I think this engine makes too much power for these half links.(not a bad problem, if ya ask me:D) The heavy duty tiller chain has been working well for me, but I...
  10. JTSpeedDemon

    '64 Supercharged Studebaker Avanti

    Title says is all, there's a 1964 supercharged Studebaker Avanti on the local CL. Asking $22.5K. Avantis have always been an oddball car to me, but this is just a really interesting car. Turquoise blue inside and out, 289 Ci, original Paxton supercharged engine with a 4 speed manual and power...
  11. JTSpeedDemon

    Bearing Questions

    Ok, so I just discovered that one of my front wheel bearings is the wrong size, in addition to being trashed. I have a few questions: What are y'all's favorite places to get bearings? I would use BMI, but I'm not sure if their bearings will work, which brings me to my next question.... The...
  12. JTSpeedDemon

    Cool Critters

    I just remembered today how much I love nature, specifically the little critters out in it, so I figured I'd start this thread for people to post about cool critters they find(with pics!), and just generally talk about them. I'll start! I found this little snake while I was out raking leaves...
  13. JTSpeedDemon

    Bwahaha!!!

    Ok, so you guys probably know that Carsandcameras recently took a very low quality small diesel engine and put it on an Azusa Road Rocket chassis. So out of curiosity, I searched up "diesel small engine" on Ebay to see what they paid for it(about $650). And I saw THIS!(see picture) Low noise...
  14. JTSpeedDemon

    Smoke Diagnosis

    Ok, so my HiPo is kind of leaving me wondering.:surrender: It's 64 degrees Fahrenheit out at the moment, and I was just test firing the Hothead. It'll start right up, first pull and rev eagerly. At idle sometimes the exhaust will have a slight grayish tinge to it. And when I revved it up...
  15. JTSpeedDemon

    Need Tire Suggestions ASAP

    I'm trying to put a new set of tires on my Christmas wishlist, but I'm not totally sure which ones to get. It'd be nice to keep with the original studded tread, but I'm not sure. I plan to refit the back with stock size wheels, so the front is what I'll use for reference. Currently, it has...
  16. JTSpeedDemon

    Tillotson 225

    Welp, the Tillotson 225 finally rolled in!:cool: https://www.gopowersports.com/225cc-tillotson-performance-engine/ And the long block: https://www.gopowersports.com/225rs-tillotson-long-block/ It is $750 for the full engine. Crazy! But at the same time, a Stage 4 engine is about $875, before...
  17. JTSpeedDemon

    Top Secret Blower

    Ok so my dad recently put a limit on my projects, that I need to clear out 2 before I can get another one. Buuut, this one was too good. The same guy that sold me the 1977 Sears tiller had this today, so I came home with this Echo blower for $3!!!:cheers2: It turns over, and miraculously, the...
  18. JTSpeedDemon

    Compression Release Question

    What do y'all think of this here video: https://www.youtube.com/watch?v=QEue7ph_DFY He recommends grinding down the valve stem to counteract compression release. But doesn't compression release only affect the engine at very low speed? It just seems wrong to me to grind down the valve stem. And...
  19. JTSpeedDemon

    I thought I recognized it.....

    https://www.ebay.com/itm/Vintage-Go-Kart-Bird-Engineering-/312830439996 Another Starbird. *sigh* But here's the thing, I recognized it right off the bat from here:https://www.small-engine-projects.com/vintage-go-kart-build.htm That's funny!:lolgoku: I only know of one bright orange Starbird...
  20. JTSpeedDemon

    Leaky Flo-Jet

    So I'm trying to figure out why my Flo-Jet is constantly leaking. It seems to be coming from this little thing on the bottom(see the pic). What is it? Is it a drain for the carb body? I went through it awhile ago and used fresh gaskets and seals in the float area. I'll add more info later, can't...
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