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Old 06-20-2009, 04:19 PM   #1
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Join Date: Jun 2009
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Default fitting trx 3.3 in rs4-2

Hey I just picked up an rs4-2 from a friend, it has an os .12tz bump start in there and I would like to put my new trx 3.3 in there. a few problems.

1. trx 3.3 has a slide carb
2. trx 3.3 crank shaft is a larger diameter and current flywheel and CB won't fit.

can you guys tell me what parts I need to fit this 3.3 in my rs4 if it is possible? can I use a nitro 4 tec clutch setup? and will it fit? thanks!

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Old 06-22-2009, 01:16 PM   #2
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based on the positioning of the motor in that car you should be able to put the traxxas motor in there with little to no modification. What you will need to get is the carbon fiber upper raido tray (if you can still find on) and the rear chassis/gear brace. They can be purchased here:



and this:

Throw in a Traxxas manifold and a pipe and you're good to go.

I doubt that HPI still has this linkage kit but here's a picture of how it should look:
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