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Old 05-18-2008, 06:32 PM   #1
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Questions?? RB Concept TM928 Off-Road Competition .28 Monster Truck Engine

is this the most powerful .28 out there???

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Old 05-18-2008, 07:06 PM   #2
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From what i have heard most powerful .28 is the os.
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Old 05-18-2008, 11:50 PM   #3
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I have no clue if it is the strongest, but I did see it in a truggy yesterday, and it flat out rips. Our track was kinda dusty last night, more so than normal so the guy kinda had his hands full but when it would it up I dont think there was a truggy out there that could hang.

Kyosho 777 WC w/ big bores, RB S5, ACE 1313 s., Air 357 t., JP-3
HPI Savage X SS, Axial .28, Hitec 5645 Steering servo
Nitro TC3, O.S. .18 CV-R
Associated RC18T, Brushless, Lipo
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Old 05-19-2008, 08:51 AM   #4
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I ran the RB 928 for a season in my Jammin CRT. In stock condition, It outran, out performed every modded .21 and stock.28 that was out there. The only problem with that engine was that it was too much power and torque on tap. Loosing traction, overpowering a small or medium track happened way too much. Regearing did little to stop this motor. Everybody that has run/own the 928 that I have come up to has taken the motor out because of the brute power that this motor makes. I took mine out because of the non liner power that this motor makes. I have since retired my 928 and dropped in a C6BB7T.
In a Losi LST, this motor would be better suited.
Herolin <---Traded my Airtronics for an Ipad and Laptop...
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