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Got a friend of mine who is working as mechanic in northern garage penang . Once he has seen the picture , he says he has handle numerous this type of case . Mostly he got turbo and NA machine that facing this problem . He says the impact of energy shock is the main root cause to twist the crankshaft until break apart . Normally will happen on those drag machine , because initial load is very huge impact for crankshaft take during launching time . Especially launching with maintain certain rpm , This will create very great impact and very high tendency to break the crankshaft . It might hurt the crankshaft and slowly crack day by day .
As i know those reported crankshaft broken campro machines are dragster . Hope that i am wrong about this :P :P . If normal driving , chance to break the crankshaft seem like very minimum . Anyway this case still need to blame proton doesn't use better material for the crankshaft . A 110 whp campro engine is far away to compare with turbo engine can easily to break their crankshaft . Unfortunately a 110 whp campro engine can break the crankshaft . :(
If you want to buy campro or campro cps for drag activity , you better stay away from do that . Use it as normal vehicle from A to B is fine .
hi bro...that's my broken crank shaft. yups its true...i'm pushing my car too hard...is there any other crank shaft that better than this one and can fit in into campro engine...rojak a bit..
ReplyDeleteProton workers go and pray leaving the crankshafts in the casting sand too long. Also the sand has too few volatiles. They then heat-treat the castings in the wrong (oxidizing) atmosphere which de-carburizes the surface. They were told this in 2002 by engineers from Lotus but they racially abused them and ignored them. Hence their engine breaks.
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