fstrader

     

ocean

What is wrong with this PLUG ... When it took out from my car's engine ..
It looks like this .. If long time didn't take out .. It will got THICK carbon stick on the plug leg ...

Piston ring worn ?? valve seal worn ?? F**ck the machanic who did top overhaul ... It worse than before overhaul ..notice white smoke when engine is running.. Before overhaul is one story .. after the overhaul another story .. What no warranty for overhaul...

Could it be a fuel too rich ?? or too lean ??? please all sifu help ...

     

alantan

looks liek you're running lean..that si why theres many carbon builds up...

what's your comsumption..high or low?

     

ocean

The picture below shown engine's cylinder head .. I want to ask all sifu .. If i remove the nuts and the shaft on the red box area .. without touch and remove the camshaft .. were it affects the valves open and close timing ?? Coz if it is valve seal worn .. I was thinking want buy the good valve seal and DIY ... Coz i know got a tool can open valve spring to change valve seal without remove the cylinder head.. I not going back to garage to find those con man anymore ... :angry:

     

ocean

hi alantan .. What means of running lean ?? fuel too much ?? or air too much ??
my fuel consumption is a bit high ... I really headache .. so many issues ...
:(

     

alantan

lean is runing to much air...

the combustion chamber is not clean thus it builds up carbon lor....

better seek for beter advice

     

g88

Check out this link :lol: :P Proton Carburetor Tuning

     

ocean

:) Thanks alantan and g88 ...

By the way .. if running lean .. which screw should i adjust ??
Air fuel mixture screw ??
My car is wira 1.3 converted to 1.5's block .. without RPM meter .. jiat lat .. no RPM meter for reference :P .. can i just listen to the engine idle ? when do tuning ??

     

cookie

hi alantan .. What means of running lean ?? fuel too much ?? or air too much ??
my fuel consumption is a bit high ... I really headache .. so many issues ...
:( [/b][/quote]
to answer your question abt spark plug check this website out

http://www.centuryperformance.com/spark2.asp

u got a leaking prob in ur engine B)

     

ocean

hi g88 .. the website you gave provide very useful information .. That is your own website right? Cool .. anywhere ... do you know the right site of carb if view from inside the car (like the picture below) .. the blue and red color screw .. what these screw's function? Foreman adjusted it before .. was thinking want to set it back to factory default setting ...

     

ocean

to answer your question abt spark plug check this website out

http://www.centuryperformance.com/spark2.asp

u got a leaking prob in ur engine B) [/b][/quote]
Thanks ..
:unsure: compared already ..
but not sure is "Carbon Fouled" or "Oil Fouled" ...
what do you think ???

:blink:

     

alantan

if yiou're tuning your idle w/o rpm..

listen to the sound and feels the vibration of the engine

     

cookie

Thanks ..
:unsure: compared already ..
but not sure is "Carbon Fouled" or "Oil Fouled" ...
what do you think ???

:blink: [/b][/quote]
if it is dry looking then carbon :lol:

if wet then oil :ph34r:

     

malyadayada