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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/14/2012 5:09 PM   
Car-Tune


 

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Status: offline 		I couldn't use it. I have a rear header and uses rubber coupling.

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/14/2012 8:17 PM   
OldtimeRCer


 

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Status: offline 		I would be interested if they could do a couple to fit the OS 18CV-R engine, its side exhaust style.


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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/14/2012 10:06 PM   
rx7devil210


 

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Status: offline 		Im thinking about foam tires though.

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 12:15 AM   
Jackedman


 

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Status: offline 		Is the CV-r like the hpi 18 gasket? And what kind are you looking for

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 12:23 AM   
OldtimeRCer


 

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Status: offline 		As far as I know, the OS 18cv-r and the HPI motor have the same exhaust gasket.

Maybe car or rx7 can say for sure if they have had both engines.


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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 12:44 AM   
Jackedman


 

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Status: offline 		just making sure. also whats best for the gasket are you looking for

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 2:27 AM   
rx7devil210


 

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Status: offline 		I dunno i think i have an exhaust leak thats why i asked. My gasket looks like crap now so i want something thicker and stronger. The stock one seems like its made out of paper lol..

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 3:48 AM   
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Status: offline 		If you have a leak you'll have to use engine sealant for real card engines. You can buy at an auto shop.

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 11:54 AM   
Jackedman


 

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Status: offline 		ok ill see what i can do

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 8:35 PM   
OldtimeRCer


 

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Status: offline 		Well, my RS4 3 "bling edition" arrived in the mail today. No damage from shipping. 

The only plastic parts on it from the original RS4 is the lower front bumper support.

I'm trying to ID all the parts used on it, so far I see a ton of GPM aluminum, some Integy bits, the purple aluminum servo case tops are by Aggressive Technologies, the OS 18CV-RX has a roto start backplate from Tiger Drive. The aluminum battery box is from a T-maxx, I'll probably remove it, I don't really care for it.

So far, mystery parts are the cooling head for the engine, the shocks, the metal wheels, the clutch gears, and the all metal turnbuckles.

There are pictures of the car on my personal gallery, click my name to the left to see them. If anybody can ID the mystery parts, I would appreciate it.

As far as I can tell, the car has never been run or used since being rebuilt with all the metal parts. The only scratched up part on the whole car is the lower front bumper support. I'm not sure if the engine is new or not, it might be, its super clean, and no discoloration at any of the gaskets, the clutch bell is also not discolored at all, so could be unused.

Problems I can see with the car is the metal turnbuckles, I think for safety I need to replace a few of them with plastic, want to replace the gas tank with a racing type with no primer button since they leak. The throttle/brake linkage is bad, its the original HPI one, and doesn't fit the slide carb on the engine correctly, its also missing the spring for the brake lever. The tires are not glued to the wheels, and I don't even know if I can glue rubber tires to metal wheels. The motor mount brackets seem a little small, they are the correct ones for OS engines, but I would rather have some reinforced ones. The tuned pipe is also rubbing against the gas tank mount, so need to take care of that too.


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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 9:18 PM   
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Status: offline 		Lol, I have to completely take the car apart and put it back together, almost all of the screws were only finger tight.  


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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 10:08 PM   
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Status: offline 		old time rcer I think the head is from new era models i think. And wow thats a lot of purple bling

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 11:07 PM   
OldtimeRCer


 

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Status: offline 		Taking the car apart for wipe down and to retighten all the screws, I found some problems.

The transmission is binding, when its assembled, and mounted, the first gear won't turn smoothly when released, the aluminum trans brackets are squeezing the gear assembly a bit. All the aluminum parts for it look fine, but I think I see the problem. The 2 ball bearings for the 2speed trans, are not the same thickness. One is a hair thicker than the other, maybe thats the problem? If so, then I need to find the correct bearings to replace them in the transmission.

Also, on the brake, when I tighten the 2 mount screws that hold the brake pads on, they bind against the disk. Its as if the disk is too thick. The disk looks to be the stock plastic one that came with the car. I'm thinking I need to get a thinner brake disk. Seem to be a problem with the brake pad spacers, like they are a bit too short.

I'm disappointed in the blingy purple exhaust manifold thats fitted. Looking inside, its not a header with a smooth transition for the exhaust to meet the pipe. It has a rectangle passage machined that connects to a simple drilled round hole leading to the outlet. This is fine for a muffler setup, but there is no way a tuned pipe can work properly, the pressure waves from the pipe have no smooth route back to the engine. The pressure waves would come out of the tuned muffler, back to the manifold, and hit the dead end at the bottom of the drilled round hole, then have to blow sideways back upwards to the engine. Very bad design..  This should only be sold as a simple muffler manifold. I'm considering getting the Tsais rear mounted tuned pipe, I know its not as fast a say, the THS standard pipe styles, but I like the exhaust blowing out the back and not on the tires.


< Message edited by OldtimeRCer -- 11/16/2012 3:43 AM >

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/15/2012 11:29 PM   
OldtimeRCer


 

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Status: offline 		Found some sloppy assembly on the car when looking at the front and rear suspension.

The all metal turnbuckles are attached with larger than normal screws to the suspension, so whoever built the car drilled out the screw holes in the aluminum to make them fit. Have to decide if I will keep the metal turnbuckles, or go back to plastic ones. If I go back to plastic, I have to replace the shock towers front and rear, the metal steering linkage, the front wheel hubs, and all four wheel knuckles. Every part thats connected to a turnbuckle has had its screw holes drilled larger, so to me, its damaged..  


< Message edited by OldtimeRCer -- 11/16/2012 7:01 AM >

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/16/2012 12:02 AM   
Jackedman


 

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Status: offline 		wow. that sounds like its going to cost alot too

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/16/2012 1:06 AM   
OldtimeRCer


 

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Status: offline 		Well, after pulling the suspension completely apart because all four lower arms were upside down, I discovered that I really don't like the shocks the car has. They are so cheap, the ball joints on them have a lot of play. I also found that one of the front dogbones was chewed up a bit, must have poped out during a run. Think I'll upgrade the car to CVD shafts all around. Also noticed the front differential is very tight, maybe it just has thick oil, but could be it needs new gears. I don't know if they are the heavy duty gears or the normal ones.

Dispite all these small problems, I'm still glad I got the car, they are all simple to fix.


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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/16/2012 5:58 AM   
rx7devil210


 

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Status: offline 		If i get cvd shafts will they still pop out? Or are the cvd shafts one piece and thats why they make em?

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/16/2012 8:48 AM   
OldtimeRCer


 

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Status: offline 		I just ordered new parts for my RS4 to repair all the damaged bits.
I also ordered a set of all 6 CVD shafts. I think the CVD shafts will really help with popping out, since only one end can move, instead of both ends.

The damn parts to fix all the damage cost a lot, 200 dollars. Thats replacing all the damaged metal parts, new brake setup, new normal turnbuckles, and the full CVD setup.

I still might get a racing gas tank, some high quality servo's, and I might go back to the HPI plastic radio tray setup. I don't like the battery, and receiver being exposed when using the aluminum top rack.


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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/16/2012 12:21 PM   
Car-Tune


 

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Status: offline 		You don't need to do that. Everything is fixable. I didn't read through the entire list of issues but the few I did read can be easily fixed.

Tell me one of the issues and I will help you fix one by one.

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/17/2012 3:36 AM   
OldtimeRCer


 

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Status: offline 		Further adventures with my all metal RS4 today.

I decided to upgrade all the screws on the car to nice allen head cap screws and countersink screws. There is a fastener specialty store near my house, so its very easy to get the size of screws the RS4 uses. While removing screws to replace them, I discovered the previous owner actually put red locktite on a few of them.  OMG, don't ever do that, they were so stuck, they ripped the threads out of the aluminum, and another one just stripped out the screw head totally. Now I need to replace another damn aluminum part, the rear body mount bracket. When I'm done I'll have enough spare aluminum parts for about 80% of another car...  lol.

Its a pity these all aluminum turnbuckles aren't better quality, I would like to keep them. But, they aren't very good, the ball joints on them have noticeable play, and I hate loose suspension parts.


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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/17/2012 11:51 AM   
Jackedman


 

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Status: offline 		Wow you just can't get a break can you.

I feel your pain I took mine out last night after work and grenaded the rear diff and none of my lhs have the replacements so Ebay here I come

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/17/2012 7:18 PM   
OldtimeRCer


 

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Status: offline 		Its the same here, I have to buy all my parts online. There is no LHS in my city, the closest is about 1 hours drive away. It doesn't matter much anyway, they don't carry HPI parts, and especially the old aluminum parts that probably aren't even made anymore. I have to shop on ebay from as far as hong kong to get the pieces. My RS4 3 is rapidly approaching the thousand dollar price tag because of hop-ups, parts, and repairs. I still need shocks for it, a proper exhaust system, better servo's, and a roto start wand that fits the tiger drive on the back of the motor.

I discovered a few other interesting bits while working on the car too. The previous owner had the 2-speed transmission put together not quite right, the spacer shim was in the wrong place. He put the tiger drive rotostart on the engine with its clutch bearing backwards, so it was trying to crank the engine in reverse. He also put the steering knuckle bushings in upside down, making a lot of play in the front steering, and causing the metal wheels to rub the steering hubs when you turn. Tightening the bushing screws also crushed one of them, making the steering bind if the screw was more than finger tight. Thankfully I have new steering hubs on the way that include fresh bushings.

I ordered a new plastic radio tray assembly, its the stock one from HPI. I have read this forum thread a lot, and some others that really race thier RS4 noted that the car is balanced better with the plastic radio setup. It also is good since the radio gear is fully protected and kept clean. The aluminum top frame looks nice, or the carbon fiber one, but I really don't like the radio gear hanging out in the air like that with exposed wiring.

I can say this, the car has been far from boring, and I haven't even started it yet!   lol


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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/17/2012 8:19 PM   
Car-Tune


 

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Status: offline 		To balance my car out I added weights to the left side and to the front.

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/18/2012 2:48 AM   
rx7devil210


 

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Status: offline 		Alright i just installed my new suspension but they seem soo soft. I added shock oil, and still seem too soft any ideas? Maybe i got a set of some crappy suspenion?

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RE: OFFICIAL RS4 RTR 3 thread!!!!!!!Also type SS and ot... - 11/18/2012 5:09 AM   
Car-Tune


 

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Status: offline 		What shocks, springs, oil and what valve are you using?

I'm using HPI aluminum shocks with purple and red springs, 80 oil weight (was using 35/40) and I'm
Pretty sure I'm using the 2 hole valve

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