I can choose between two engines:
KYOSHO GXR28 PULLSTART ENGINE
http://www.kyosho.com/eng/products/rc/acce_result.html?acce_type_id=1
and
LRP ( Associated ) Z.28R SPEC.3 TRUGGY
http://www.lrp-electronic.de/e/lis/04_Nitro/Z28R-Spec3 Truggy/Nitro_Feature Z28R_Spec3_Truggy.html
I don` know the exact specifications of GXR28 like rpms,hp ...
KYOSHO GXR28 PULLSTART ENGINE
http://www.kyosho.com/eng/products/rc/acce_result.html?acce_type_id=1
and
LRP ( Associated ) Z.28R SPEC.3 TRUGGY
http://www.lrp-electronic.de/e/lis/04_Nitro/Z28R-Spec3 Truggy/Nitro_Feature Z28R_Spec3_Truggy.html
I don` know the exact specifications of GXR28 like rpms,hp ...