Bill Hoskinson
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- RC Driving Style
Yep, the Picco .26's are a serious engine, no doubt.
I know most people dont seem to like the TTR engines, but I really like thie .21 engines they built for the MGT.
They are IMHO an excellent RTR engine.
The starting system on the new TTR .21 is the best anywhere, bar none.
The carb has all 3 adjustment screws on the same side, and facing the rear of the truck making them extremely easy to access to tune the engine with the body on.
They are also the only RTR engine I have ever seen with a cross drilled crank, designed to oil the rod bushing.
Yes, they have terrible vacuum leaks at the carb, and back plate unless you seal them with silicone, but are nearly Indestructable!
JFYI, Jon's stock .21 from his MGT, with the stock gearing (15/52), on T Maxx sized tires, (6.2" tall) ran 34 mph... totally stock.
Changing the gear spur gear from a 52, to a 46, the truck ran 37mph.... Engine temps for max speed ranged from 230-250 degrees, stock.
After I ported his engine, and tuned it, the first pass netted 37mph with stock gearing, and 40MPH with the 46t spur gear.
His engine made enough torque to do wheelies with the 46t spur gear, and would flip over backwards with the 52t gear after I ported it. The engine temps for max speed hovered around 180-190 degrees after I ported it.
It idles very low, and has instant, crips throttle response.
They won't make as much power as a Picco .26, not even close.... But they will turn enough rpm that you can make up for the lack of torque with lower gearing, and still run excellet MPH.
I know most people dont seem to like the TTR engines, but I really like thie .21 engines they built for the MGT.
They are IMHO an excellent RTR engine.
The starting system on the new TTR .21 is the best anywhere, bar none.
The carb has all 3 adjustment screws on the same side, and facing the rear of the truck making them extremely easy to access to tune the engine with the body on.
They are also the only RTR engine I have ever seen with a cross drilled crank, designed to oil the rod bushing.
Yes, they have terrible vacuum leaks at the carb, and back plate unless you seal them with silicone, but are nearly Indestructable!
JFYI, Jon's stock .21 from his MGT, with the stock gearing (15/52), on T Maxx sized tires, (6.2" tall) ran 34 mph... totally stock.
Changing the gear spur gear from a 52, to a 46, the truck ran 37mph.... Engine temps for max speed ranged from 230-250 degrees, stock.
After I ported his engine, and tuned it, the first pass netted 37mph with stock gearing, and 40MPH with the 46t spur gear.
His engine made enough torque to do wheelies with the 46t spur gear, and would flip over backwards with the 52t gear after I ported it. The engine temps for max speed hovered around 180-190 degrees after I ported it.
It idles very low, and has instant, crips throttle response.
They won't make as much power as a Picco .26, not even close.... But they will turn enough rpm that you can make up for the lack of torque with lower gearing, and still run excellet MPH.