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Old 02-20-2003, 02:38 PM   #1
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Default new to nitro world, just got HPI RS4, upgrades?

I am looking to make this puppy fast..what type of upgrades should i be looking at? I dont want to spend alot of money right away, I want to mod it slowly and enjoy each new part, any suggestion? I am new member to this forum hope to learn alot
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Old 02-20-2003, 03:08 PM   #2
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Which one?

My main advice, don't go crazy because you could eventually buy another car with the hopups that you will want to put on your car. An RS4 isn't meant to be the best race car, but a car fun to play with and get started in the nitro world.
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Old 02-20-2003, 03:10 PM   #3
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If you have $250, you should upgrade everything in between the tires to a Nitro TC3. Just kidding. What does it have on it now? If you just want a fast car get...

2 speed tranny
new engine

If you want a car that is fast and handles well get...

Nitro TC3 Upgrade
Tires
Springs
Different shocks oils
Handling plates

There are literally tons of things you can spend your money on for this car. It all depends on what you need and what you want. Many of those things are unnecessary. Some of them are to make it a good car. Good luck. Seriously though, this car will eat your money for minimal gains.
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Old 02-20-2003, 03:25 PM   #4
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Seriously, as you said rod_b, if you truly want a good handling car (for racing), you should look into a race bred car, which would handle much better, with only minor changes.

But I think johnnyyd is looking for something to have fun with in a parking lot impressing onlookers and friends, as opposed to fellow racers. Any RS4 handles well enough for a parking lot.
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Old 02-20-2003, 06:35 PM   #5
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yea, I am not looking to race just find another hobby, i like doing the body work, but would like to do the rest as well
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Old 02-20-2003, 07:01 PM   #6
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A two speed would be good.
A fiber brake disk, because the plastic one will wear out fast.
New tires and wheels to go with the bodies you like.
A real tuned pipe, and basically replacement parts from there. If you like your car you can do more, or get another car...whatever you like.
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Old 02-23-2003, 07:22 PM   #7
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What nrs4 do you own? I own the nrs4-2. I can give ya all the advice ya need if i knew what one u had.
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Old 02-24-2003, 07:03 AM   #8
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I have the RTR Nitro RS4 3 with a few different bodies
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Old 02-25-2003, 12:56 PM   #9
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if u wanna be fast. Get a 2 speed, tallest ratio for the 2 speed, and good pipe if yours isnt good enough. Now, if you want to go fast on a track(turning) then i cant help ya there. I got just abotu everything i can for my nrs4 2 rtr and it does decent. I never radar checked the speed. Im guessing in the 44+mph range.
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Old 02-25-2003, 03:12 PM   #10
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First step: ditch that .12fe angine and muffler that came with it. If you're on a budget, at least spring for the cooling head and 2 needle carb. With a better engine (p/s or bump?) get the 2 speed. That should help your speed quite a bit. But we need a bit more info (like how fast and how much you want to spend)
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Old 02-26-2003, 01:56 PM   #11
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i only ride for fun so speed would be great, relibility is important, and i have a bit of a budget
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Old 02-26-2003, 02:00 PM   #12
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Great. Go for the 2 speed, then the motor and tuned pipe (make sure you get the HPI header, they're a bit different than a standard header as the pipe is on the right. Do you want pull start or bump start?
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Old 02-26-2003, 02:01 PM   #13
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whats the difference in bump start
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Old 02-26-2003, 02:04 PM   #14
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bump start you need a starter box to start it. Generally, all the really high power cars only come with bump start (less mass, no drag from the one way assemply in the pull starter). However, they do make quite a few nice, powerful pull starts, too.
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Old 02-26-2003, 03:13 PM   #15
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Johnnyd,

If it's able to be done on the RS4 3, I've either done it, or considered it enough to have researched it (short of putting a big block in it..)

http://www.rcpics.net/view_single.php?medid=6

Drop me an email to [email protected] and I can run down what worked and what didn't.

-Jeff
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