Clutch for 3.3

Old 08-30-2013, 05:19 AM
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Default Clutch for 3.3

Got me a 3.3 coming in the mail. Never had anything but a pro.13 in my tmaxx and a o.s. 15. So I am looking forward to the extra power. I still have to buy all the flywheel side of the engine. I dont know which I need, the clutch with 3 shoes or 2. What should I get? Also what is the difference?
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Old 08-30-2013, 05:26 AM
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Originally Posted by BKnights13 View Post
Got me a 3.3 coming in the mail. Never had anything but a pro.13 in my tmaxx and a o.s. 15. So I am looking forward to the extra power. I still have to buy all the flywheel side of the engine. I dont know which I need, the clutch with 3 shoes or 2. What should I get? Also what is the difference?

You got you a 3.3 coming in the mail do ya!..

The difference would be adjustability and grabbing power, don't need any more than that link for a 3.3

http://www.ebay.com/itm/MIP-1664-Clu...item3384dee255
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Old 08-30-2013, 12:33 PM
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Check buku clutch. You won't be disappointed.
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Old 08-31-2013, 09:23 PM
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Originally Posted by rc_collector View Post
Check buku clutch. You won't be disappointed.
Or Grabe the m2c 3 shoe it great also. if you want to go the cheap route to belive it or not the intergy is not that bad for there 3 neither I have all 3 but I think I like the m2c the best. But the buku is just as good. I have more m2c on my other cars so I think that why I just stayed with them easy to get stuff from one supplier than like 6
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Old 09-13-2013, 04:27 PM
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+1 m2c 3
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Old 09-14-2013, 08:35 PM
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There are big differences in clutches, but I'm guessing you won't be racing this thing so I'd have to agree with got_nitro You may put more abuse in a clutch by trying to do slow speed climbs and such, but at the price of those MIP's and the motor that's going to be behind it, you won't need more. If you just WANT to have a better clutch, and have the extra dough, have at it.
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Old 09-15-2013, 07:58 AM
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Originally Posted by meno1103 View Post
There are big differences in clutches, but I'm guessing you won't be racing this thing so I'd have to agree with got_nitro
Anytime you'd like to learn something just shoot me a PM!
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Old 09-15-2013, 08:16 AM
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Haha you're in for a treat lol. If you're running the stock slipper, fill all the peg holes up lol, or grab a Robinson Racing setup. A 3.3 will blow right through a stock 4910 slipper with 6 pegs. Make sure you break the engine in per specs for longevity. Me and the son have both had 2.5R's and 3.3's. So compared to a 1.5 you'll love it. I must admit, the 3.3 is more forgiving of an off tune. And as far as HP, definitely a difference between them.
I forgot to mention, make sure you have a good pipe on the 3.3, it wants to breath, oh and the 3.3 air filter.

Last edited by spookie; 09-15-2013 at 08:32 AM.
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Old 09-15-2013, 07:05 PM
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Originally Posted by spookie View Post
Me and the son have both had 2.5R's and 3.3's. So compared to a 1.5 you'll love it. I must admit, the 3.3 is more forgiving of an off tune. And as far as HP, definitely a difference between them..
A 3.3 is a .20, A 2.5 and a 2.5R is a .15.......Only difference in a 2.5R is the blue head.

Just a FYI for ya, traxxsucks engines are recycled old engines that they melt down and produce on a mass scale. Tolerance's and craftsmanship are garbage with many impurities in the aluminum they use. The 2.5 and 3.3's carb is the same along with the crank and rod. All Junk IMO but many believe in them for some odd reason.
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Old 09-22-2013, 01:37 PM
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Originally Posted by got_nitro View Post
A 3.3 is a .20, A 2.5 and a 2.5R is a .15.......Only difference in a 2.5R is the blue head.

Just a FYI for ya, traxxsucks engines are recycled old engines that they melt down and produce on a mass scale. Tolerance's and craftsmanship are garbage with many impurities in the aluminum they use. The 2.5 and 3.3's carb is the same along with the crank and rod. All Junk IMO but many believe in them for some odd reason.
The cc is the same on the 2.5 and 2.5R, but the porting is different. Makes more power. I have been through this discussion before. The 1.5 is a smaller displacement, thus less powerful. Like I say the 3.3 will astound you.
As far as the Traxxas bash, well whatever lol.
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Old 09-27-2013, 04:58 AM
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I did my own porting on a pro .15 with a diamond bit multi speed dremel, and got almost as much power out of it as a 2.5r, noticeably lacking only in low end torque. The sleeve fits snug in the case, bearings stayed in place through all heat cycles so far, and through machining of the case itself, I can't say the quality sucks so far as to crack the case. I've run that engine quite hard, but maybe the power difference between that engine and the 3.3 is that much of a factor in case failures due to poor quality/recycled materials.
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Old 10-12-2013, 11:08 PM
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I don't play with nitro anymore but, back from what I remember the 2.5 crankshaft has smaller bore (hole) than the 3.3.
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Old 10-17-2013, 06:20 PM
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There is no difference in the crankshaft or the piston and sleeve on a 2.5 and 2.5R, The crank is different between a 2.5 and the 3.3 as mentioned above. The scoop is larger on the 3.3 crank.
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Old 10-19-2013, 04:46 AM
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Originally Posted by spookie View Post
The cc is the same on the 2.5 and 2.5R, but the porting is different. Makes more power. I have been through this discussion before. The 1.5 is a smaller displacement, thus less powerful. Like I say the 3.3 will astound you.
As far as the Traxxas bash, well whatever lol.
You've been through what? See that below? That means it's the same porting with the same power. You might have been influnced by emotional factors as far as "makes more power"...

Originally Posted by pntmachine View Post
There is no difference in the crankshaft or the piston and sleeve on a 2.5 and 2.5R, The crank is different between a 2.5 and the 3.3 as mentioned above. The scoop is larger on the 3.3 crank.
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