how can i make my rs4 3 the fastest?  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> HPI Racing >> HPI On-Road >> how can i make my rs4 3 the fastest?
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how can i make my rs4 3 the fastest? - 4/18/2007 5:57:04 AM   
wildchildbmx6


 

Posts: 11
Joined: 4/2/2007
From: laurel, MD, USA
Status: offline 		i want to make my rs4 3 stupid fast. how can i do this? i want to be able to hang with anything out there.
       Post #: 1

RE: how can i make my rs4 3 the fastest? - 4/18/2007 6:26:25 AM   
HeLLsGoD



Posts: 719
Joined: 2/10/2007
From: hellJP, ANTARCTICA
Status: offline 		Strap a NASA space rocket..


No seriously, that question get asked too much. The answer is a BIGGER and BETTER engine will make you go faster. An OS .18CV-RX is what you need

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RE: how can i make my rs4 3 the fastest? - 4/18/2007 4:07:01 PM   
iexion


 

Posts: 752
Joined: 8/1/2006
From: Sioux Falls, SD, USA
Status: offline 		Or like apollo would say, you have to change your gearing..... "noob"

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RE: how can i make my rs4 3 the fastest? - 4/18/2007 7:05:46 PM   
Dj New Dynasty


 

Posts: 30
Joined: 4/18/2007
From: Orlando, FL, USA
Status: offline 		hahaha, hells.... good idea... the O.S .18 CV-R is an amazing engine, its what i run, i recommend if you get it to get a new exhaust system, i chose a dynamite, since its a pretty good price, and sounds great as well... if you do get it, get some high end loctyte cause mine spits out screws like water if i dont check em, and use good loctyte... i wouldnt go too crazy on mods though, tuning helps alot


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       Post #: 4

RE: how can i make my rs4 3 the fastest? - 4/18/2007 10:49:19 PM   
RCar


 

Posts: 406
Joined: 7/25/2006
From: N/A, CYPRUS
Status: offline 		From what I see at the local track, it doesn't matter how fast your car is. What matters is how well it sticks to the ground, and how good a driver you are. A faster car means loosing control easier, and breaking easier. Nitro Star 18SS engine, is just about right.

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RE: how can i make my rs4 3 the fastest? - 4/19/2007 1:19:43 AM   
hpi apollo



Posts: 2639
Joined: 5/13/2006
From: Georgetown, KY, USA
Status: offline
quote:

ORIGINAL: iexion

Or like apollo would say, you have to change your gearing..... "noob"


very, very good iexion

wildchildbmx6, judging from the amount of posts that you have and your general question, you are not very experienced, therefore leading me to say that you dont need to make your rs4 the fastest, a good start would be to get an os 18cvrx and then get the red pinions, and the 41 and 37 tooth spur gears


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RE: how can i make my rs4 3 the fastest? - 4/19/2007 2:18:41 AM   
iexion


 

Posts: 752
Joined: 8/1/2006
From: Sioux Falls, SD, USA
Status: offline 		one thing to note on the 41x37 gearing. your going to need to modd your chassis engine holes in order to fit the gearing correctly

So to make it a bit more clearly, the transmission gears are smaller then stock so you would need to set the engine closer to the trans gears. I've drimmel'd my chassis some and if you dont do this step, your engine prolly wont even tuch the gears. And if it does you will surely grind those fresh gears in less then 5 seconds.

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RE: how can i make my rs4 3 the fastest? - 4/19/2007 2:23:19 AM   
HeLLsGoD



Posts: 719
Joined: 2/10/2007
From: hellJP, ANTARCTICA
Status: offline 		So even if u push your engine mounts all the way to try fix the mesh it wont work?

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       Post #: 8

RE: how can i make my rs4 3 the fastest? - 4/19/2007 2:58:52 AM   
Allan Aguilar



Posts: 374
Joined: 4/19/2003
From: Ottawa, ON, CANADA
Status: offline 		Install an engine from a dragster, I am sure you will make it under 6 seconds.

Here is another option, get yourself a giant sling shot and strap your car in it.

< Message edited by Allan Aguilar -- 4/19/2007 3:52:48 PM >

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RE: how can i make my rs4 3 the fastest? - 4/19/2007 3:31:59 AM   
rs418ss


 

Posts: 20
Joined: 5/15/2005
From: Toronto/Markham, ON, CANADA
Status: offline 		I just tried to install the os 18cv-r with pull start and i had a feeling that it would be close and hit's the rear chassis. I don't want to cut the carbon upper deck is there a back plate i can use and remove the pull start to make it fit

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       Post #: 10

RE: how can i make my rs4 3 the fastest? - 4/19/2007 3:36:19 AM   
HeLLsGoD



Posts: 719
Joined: 2/10/2007
From: hellJP, ANTARCTICA
Status: offline 		I just installed my OS .15 CV-RX last night which is pretty much the same engine. You just have to cut out part of the Diff case and radio tray support. I cut mine out a little too much just a little under a cm( stage 1 lightweight yo!) still looks good though. It never went near the normal plastic radio tray at all, im not too sure about the carbon fibre one though

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RE: how can i make my rs4 3 the fastest? - 4/19/2007 3:42:51 AM   
hpi apollo



Posts: 2639
Joined: 5/13/2006
From: Georgetown, KY, USA
Status: offline 		you have to grind the chassis slots about 3mm with a dremel


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RE: how can i make my rs4 3 the fastest? - 4/19/2007 3:45:45 AM   
Piero23



Posts: 555
Joined: 10/26/2004
From: Los Angeles, CA, USA
Status: offline
quote:

ORIGINAL: rs418ss

I just tried to install the os 18cv-r with pull start and i had a feeling that it would be close and hit's the rear chassis. I don't want to cut the carbon upper deck is there a back plate i can use and remove the pull start to make it fit


yeah you can get the back plate for the engine here its only six bucks but you will have to get a non pull flywheel, non pull

engine mounts, and a starter box which adds up to allot of money

however bump starting is the best method of all just expensive and annoying to carrying a starter box

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       Post #: 13

RE: how can i make my rs4 3 the fastest? - 4/19/2007 3:49:11 AM   
HeLLsGoD



Posts: 719
Joined: 2/10/2007
From: hellJP, ANTARCTICA
Status: offline 		You also need a new crankshaft if your going to use that backplate which is gonna be at least $150 for starterbox,batteries and all. I always thought the OS .18's were a straight bolt on

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RE: how can i make my rs4 3 the fastest? - 4/19/2007 1:58:15 PM   
Dj New Dynasty


 

Posts: 30
Joined: 4/18/2007
From: Orlando, FL, USA
Status: offline 		they are, you just need to buy the engine mounts for it, theres none built on it

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