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Old 10-23-2008, 10:32 AM   #1
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i just got a used nitro rustler from a friend and was wanting to put a new engine on it. it still has the stock trx 2.5. i was wanting to get at least a .26 or .28 but im not sure what will drop in with little modifications. What engines would be compatible and what else would i have to do?
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Old 10-23-2008, 11:26 AM   #2
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I doubt you can go from a .15 to a .28......i bet a .18 is the biggest thing that will fit in it, i think the 3.3
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Old 10-23-2008, 11:39 AM   #3
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Your rustler can only take .12 to .18 engines . Although there is a kit [don`t remember who makes it] to put big block engines in the truck . But it is stupid fast with the conversion kit . Look for a nice .12 or .15 engine .
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Old 10-23-2008, 12:24 PM   #4
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Quote:
Originally Posted by Briguy View Post
Your rustler can only take .12 to .18 engines . Although there is a kit [don`t remember who makes it] to put big block engines in the truck . But it is stupid fast with the conversion kit . Look for a nice .12 or .15 engine .
Agreed.

What is the outcome you're hoping for by having a bigger engine?
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Old 10-23-2008, 12:36 PM   #5
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Quote:
Originally Posted by Briguy View Post
Your rustler can only take .12 to .18 engines . Although there is a kit [don`t remember who makes it] to put big block engines in the truck . But it is stupid fast with the conversion kit . Look for a nice .12 or .15 engine .
ive also heard of that kit i thing it might be NEW ERA that makes it but not totally sure
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Old 10-23-2008, 12:42 PM   #6
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Is there anything wrong with the 2.5 engine that's in the truck?

If not I would leave it and run it.

A well tuned 2.5 in a rustler is going to outrun most any big block .28 anyways in that light truck. All a big block will accomplish is more torque and weight and most likely a bunch less rpms as well as a bunch of parts breakage due to the added torque on tap at low rpms. I have owned a nitro ruslter 2.5 and it was pretty darn insane with the stock 2.5 in it with a good tune.

I would keep the 2.5 if it's in good shape. If it's worn out consider picking up a new traxxas 3.3 for the truck as everything that's on the 2.5 will bolt right on the 3.3 such as flywheel and clutch setup and exhaust.......
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Old 10-23-2008, 12:51 PM   #7
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i guess the .28 or .26 would be a little extreme...the 2.5 has been ran hard and it doesnt seem to want to run right, the main reason i want to switch engines is to out preform the jato with the 3.3. new alluminum parts is a given so everything doesnt break.
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Old 10-23-2008, 01:23 PM   #8
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i would be put a good .18 in there.. i am sure that would do the trick for ya
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Old 10-23-2008, 01:35 PM   #9
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A high performance .12 engine will blow away a .18 .
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Old 10-23-2008, 01:43 PM   #10
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Quote:
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A high performance .12 engine will blow away a .18 .
true... depends on how much cash you wanna part with..
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Old 10-23-2008, 01:44 PM   #11
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I'd put an OS Tg in it

it's a .12 and great race engine, if your gonna race
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