The only thing I have found when changing fuels is that you will need to re-tune. (duh) Other than that I change fuels with no problems, I have done this quite frequently with many engines for many many gallons.
It is adviseable to use fuel with lots of oil unless you have lots of money to replace engines. I only use fuels that have a minum of 16% oil, usually I use fuel with 18%. If you want to keep your engines for many many gallons I would recommend you try to do the same. Klotz makes a synthetic and...
Here is a pic of the Big jump from last year. We had 1 race with lap counters and things got a little too competitive so we went back to bashing, it's more fun and friendly. This will give you much more of an idea of size.
Here is a shot of an Old Tmaxx with a Pro.15 off that same jump.
Sorry for the delay getting back... that is my local track, it's at my friends house. He owns 10 acres uses about 1/4 acre for the track. the lanes are 12 feet wide, I'm not sure about the size anymore it changes so often. The layout now takes the front straight through a dog leg into the big...
More than just an Idea... too many projects going right now. I have just picked up 2 nitro sports and put them back together, (LHS was using them for parts) man they are fun and fast! I have received the parts from Thunder Tiger / Ace Hobbies for both of my EK-4's. Still gathering parts for this...
No that is the stock heatsink head from the EK 4 version 1 TTR .70!:wtf:
Had to upload to my site I don't like not being able to see the pic on the page.
Flattop is correct and this is how you fine tune it. Get the engine idling then pinch the fuel line at the carb the engine should idle up for about 3 to 5 seconds then die. If it idles up and up and up, then you are too rich, if it dies when it is pinched you are too lean.
Good luck.
The "bay" has them for $60 to $80 all the time, click the links.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3122906186&category=19168
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3122788074&category=34063...