Can someone help me with which model O.S. Engine will work in a side exhaust pull start Nitro TC3? I want to buy the .15CV-RX but which model can work with the car? I see some are

.15 CV-RX W/10ER
.15 CV-RX W/10C
.15 CV-RX (S) W/ 10ER

some are short shaft, pilot shaft and standard shaft

Here's a clip from associated's website for the NTC3.

Rear or side exhaust engine compatible, excluding big block. Manifold and pipe included. Standard short shaft or SG crank shaft recommended.

http://www.rc10.com/shusting/Catalog...c3/kitntc3.htm

I'd go with the cheapest slide valve engine they have. The short shaft will fit. If you cut some of the threads off the standard shaft, it will fit. They also indicate that the SG or pilot shaft engine will fit.

Good luck

What is SG?

An SG crankshaft is the same as a pilotshaft.

Then what is standard short shaft as recommended by Associated?

short shaft is what you want it is this one: .15 CV-RX (S) W/ 10ER

Im asumming it should be a direct fit but dont come back to me on that.

SG is a pilot shaft, it's longer then a short crank, but the end of it is not threaded, that image a few posts above mine is an SG. A short shaft would be cut off about where the theading stops. If you bought a TC3 kit you have the nut for either type. Your instruction book shows you how to install on either type. Basicly the different in nuts is that the short shaft nut screws on to hold the flywheel on tight, and the other end of this nut extends for you to put the clutch housing onto. With the polit shaft nut it doesn't have the extention, so you slide the clutch bell over the accuall shaft. I don't know if the RTR comes with both nuts, I doubt it.. If you have the RTR take it out, take the clutch apart and see which type you have.

If you need I can scan the pages of my instruction book that show you how to assemble this part of the car. Just PM me.