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lucking power?

i wonder if anyone can help me I've changed my injectors and head skimmed new head gasket but I'm lucking power specially up hill engine revs 3500 max and getting black smock please help
many thanks . freddie
Frederick, September 2010
Ever thought it might be the clutch is wearing out?
symptoms fine on flat and downhill no power up hill.
Test 2nd gear hand brake on try pulling away if it stalls may not be clutch if it revs it's most likely the clutch.
Black smoke seems strange considering new injectors. Who do the gasket? has the head been tightened to proper Torque ie tighten properly and in correct sequence?

Bob, September 2010
dont know what sort of motor you have here,but if it has a turbo,remove inlet hose check for wear in the turbo spindle,check for splits in intercooler hoses etc,other than that,good luck

wickham, September 2010