rs4

I have one of the newer Hpi rs4 3's and i wanted to upgrade the engine but didnt know which ones i should be looking at. any help in which ones will give me the best performance for the buck and actually fit the car will be grear.

I've heard it done before, anyone have any information?

um whats the best engine for my rs4 rtr3? O.s, or maybe the hpi 12rss or i dont know...Help me out guys..Tks -Kellen8-0

Well I had a couple of other threads but nobody seems to be interested in them. I just want to get the word out on the HPI RS4 type SS. I've got mine all tuned and made a few changes. I changed the shock springs to blue in the front and white in the back, put some 24 mm slicks on it. These...

can any one help me on tuning the rs4 3ss two speed tranny? it shifts too late :stupid:

I am just curious what other people think of this car. I started off will duratrax off road ST,overdive. I got into on road about a month ago. Bought the rtr rs4 and wasn't very inpressed. Probley because my freinds TC3 runs like a big dog or at least all over my hpi rtr. So I had to go buy the...

We need to get the touring forum going so I thought I would post it here instead of in the general nitro. Where I race most of our TT's and Features are 10 minutes long. In my last race my car was starting to sputter when I would go in and out of a corner then hit the throttle. It wasn't...