Hi, i have a B144E that i'm building to drift.

I want to know how to check if my propshaft is "ok" so i don't break it ?

Is there a way to upgrade the propshaft ? Because for now B14 is ok as i'm a noob but i will swap (b18ft /f7r) later and with more power it might break sooner.

Sry for my english.

First of all replace your engine mounts with polybushes as chances are they are old and sagged which causes it to be out of alignment which will then break your propshaft.

Thanks for your reply

Are B17 and b14 engine mounts compatible or are they different ? Because i don't want to spend on new engine mounts for an engine that will not last ?

As far as I know they are the same.

The rear mounts are all teh same and later 1.4 and 1.7 mounts are the same.

If the prop and gearbox are not perfectly inline with each other then the rubber in the prop will overheat causing failure. The higher you rev the engine the worse the problem. Jerking the clutch is also not a good idea