What Kind of Gas?

[Luigi And Me]

I'm breaking-in my O.S. .15 CV-R w/10ER Rotary Carb and I'm not sure what type of fuel i should use. For the break-in procedure, I'll just use the 10% nitro Traxxas fuel, then get it used to 30%. Any other suggestions before i start this on saturday?

 

[Monkey Wrench]

In my opinion, I'd break it in with the 30%. I'm not sure why you wouldn't want to, just need to keep an eye on your temp's, make sure your getting a lot of smoke and take your time.

Have to ask, is this a new mill or a rebuilt one? I didn't think OS still made that mill. I had one on a HPI MT I just sold and man, that mill was awesome! You'll enjoy it, for sure!

 

[sweetdiesel]

Don't know anything about that O.S. in particular but I'd make sure it was shimmed to run on 30% before attempting it.

 

[Luigi And Me]

Actually, I bought this motor about 2 years ago and never touched it. It's time to put that 158 dollars to use! I heard that these are a hard motor to break in. Is that true?

Don't know anything about that O.S. in particular but I'd make sure it was shimmed to run on 30% before attempting it.

I'm reading the booklet right now. The way it's telling me to break in the engine is with 30% nitro settings, but it also says that i can use a range of 10%-40% of nitro fuel. If i go to 30 or 40%, I'd have to richen up the motor, right? I should be fine with 10%...for now.

 

[Monkey Wrench]

Don't know anything about that O.S. in particular but I'd make sure it was shimmed to run on 30% before attempting it.

Ahhh, very good point that I completely forgot to add (you da man, SD!)

When I broke mine it, I used Blue Dynamite 20% and followed the manual. Couldn't of been easier (at least mine). I'd suggest (merely suggest) breaking in with the 20%. I cannot recall if you need to shim it for 30%, but I'd check into it, just to be sure. I just think with 10% nitro and all that oil, you won't get the temp's up enough to properly break it in, but, I've never run 10%, so I could be completely off base!

Anyhow, you'll dig that mill! What's it going in, out of curiosity?

 

[Luigi And Me]

Ahhh, very good point that I completely forgot to add (you da man, SD!)

When I broke mine it, I used Blue Dynamite 20% and followed the manual. Couldn't of been easier (at least mine). I'd suggest (merely suggest) breaking in with the 20%. I cannot recall if you need to shim it for 30%, but I'd check into it, just to be sure. I just think with 10% nitro and all that oil, you won't get the temp's up enough to properly break it in, but, I've never run 10%, so I could be completely off base!

Anyhow, you'll dig that mill! What's it going in, out of curiosity?

T-Maxx:classic: Not the 2.5 or the new ones... The old one, back in '02.

 

[Monkey Wrench]

Ah, you'll have a lot of fun! That mill has some good giddy-up in it! Have fun with it!

 

[rocknbil]

Unless you're going to be racing, 20% is quite a bit cheaper and IMHO 30% is not going to show enough difference to make it worth your while. It's also easier on the engine and you'll get another gallon or so out of it.