as most of you know i have a pretty big race coming up but don't know which engine to get either the XTM 457 Pro Truck engine or the axial .28rr (the engine my friend has) or a novarossi please give me a link or model number and any others you may suggest but please remember i want a high top speed but also a pretty good low end as well and i already have a TSAIS C5H pipe and also suggest any upgrades to handle extra torque any help much appreciated
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