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A while back, I tried to turn my Konghead into a trail runner/light crawler. It did ok, but the lack of ground clearance and tallish gearing, even with an outrunner motor, left me somewhat wanting. It looked fantastic, but just didn't perform the way I envisioned. So I tore it back down, put the stock wheels back on, opened up the diffs, dropped in a 3300kv brushless and ripped around the backyard a few times. Very fun chassis. I've had my eye on the Dynahead for a while - the portals would solve both of my problems...but it was quite expensive stateside. A recent significant drop in price overcame my hesitations and I decided to order one. To keep life simple, I used my existing built Kong chassis and just built the portals. Relocked the diffs and bolted them on. So many bearings bushings, and gears.... everything fits perfectly as expected with a Tamiya kit and they spin super smooth and quiet. I'm not sure how Tamiya manages that since this truck has by my count a stunning 54 gears/mating surfaces (!!) Eventually I'll build the Dyna chassis (with about a pound of bearings) and rebuild the Kong as it was such a fun and unique runner. But for now, it's trail time! View under the hood. I used dual servos for 4WS, rear channel is set to run independently on the ch3 switch of my GT3B radio so I can swing the rear tires as needed. I redid the rear linkage slightly as mine tended to bind up in one direction - the servo would easily overextend the bellcrank and it would lock up. I fashioned an 10mm extension for the bellcrank and a more direct link and now it swings perfectly. For electronics, I used a crawler grade WP1080 and a Holmes 5 slot Crawlmaster which with its lower RPM and super smooth control is perfect for this chassis. Decided to go with the Dynahead body, though I ditched the factory scheme and went with something a little more "Prime" inspired. I think it came out great! A bit plain I guess, thinking about something to break up the blue a bit. I used some 1.9 beadlocks and a few sets of Gmade Sawback tires which fit the body perfectly and are decently grippy. Front wheels have just a few grams of weight inside to balance out the chassis. And a few flex shots. Not a ton, but more than enough for this chassis. I'm using the Mini CVA's and a few sets of option CC01 barrel springs so I have a few springs rates to play with. It feels great on the bench - suspension is somewhat soft and supple, but not too much so. Of course, the week I finished this up, we received about 10 inches of snow. so a true trail test will have to wait a bit I'm afraid.
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Welcome to my Konghead build. I've had a love of all things Tamiya since my folks bought me and my Brother a Boomerang each in 1988/9. Ever since then I've built a dozen or so kits. Some I still have and others I've (regrettably) sold. Having been into comp crawlers and scale trucks for the last several years I've recently, once again turned my attention to Tamiya. I'm part way through a TT-02 Type S Rally Car (build thread coming), have a DT-03 ready and waiting to start, but first, the Konghead caught my eye. So, here goes. A word of warning though... I like to take a lot of pics during a build! Oh, and since I've found a lot of useful information on here, I thought I'd become a subscriber. I'm not a fan of the chrome wheels (especially for the paint job I'm thinking about), so opted for these yellow ones from JK-RC instead. Added some Schumacher truck foams that I've used in my Lunch Boxes. Thought I'd get the shocks out of the way before starting the kit. I absolutely love building Tamiya shocks. They are definitely some of the best. That's where I'm up to for now. Thanks for taking a look.
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I have just built a Konghead with 4ws and I can't stop the back tyres rubbing on full lock as anybody got any ideas
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Hi, first post here. I was out of RC for several years until I got the itch to come back. But found out that the local racing program all went extinct, and was a bit bummed out. I decided to go back to my roots and play with Tamiya cars that I did as a child. My first project was the Konghead 6x6. I've been through several crawlers in the past, but the 6x6 really got to me. Thought it might be interesting to see how much I can do with this chassis. I first locked the diffs and gave it some 1.9s I had from a Twin Hammers. Wanted a little more travel, so I added longer arms. Added a little more options, and ended up with this video. Still a work in progress. (need to decide whether to use the kit decals) Let me know if you have other suggestions for the project. Thanks!
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I've put the gearbox together on my Konghead and with a dry run, with none of the supplied Tamiya grease, it turned over fine. Now all of the gears are greased there is an awful lot of friction. I was careful applying the grease, making sure i didnt apply too much. Anybody else come across this problem? I was wondering about removing all the supplied grease and trying the Tamiya ceramic grease which appears less viscous? Any thoughts on this? Appreciate any help 😀