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Hi guys, Kevin from South Africa here - first time Alfa owner and BB poster! Recently got my first Alfa - a blue 1971 Giulia 1300 Super. It was parked unused for 20 years when I got it.
I have take a few months to replace hoses, fluids, rebuild calipers, tyres, shocks etc and have the car in a reasonable running condition now. I just did a tune up of the Weber's with a "Colortune" and since the sparks were out decided to have a look at the pistons with my cheapie boroscope.
All the NGK BP6ES sparks came out looking similar - blackish/brown. Perhaps running a little rich but no major build up. What is weird is Pistons 1, 2 & 4 look almost spotless (can see the "103" on the top center of the piston head) but Piston #3 has quite a lot of I assume carbon build up.
I have driven the car relatively hard for a bit, no long highway trip yet though. What I am unsure of is why only Piston #3 has the build up? Any thoughts?
Cylinder 1 (2 and 4 look very similar):
Cylinder 3:
Out of interest here is the engine bay when I got it:
And this is it on an early drive (before new tyres etc):
I have take a few months to replace hoses, fluids, rebuild calipers, tyres, shocks etc and have the car in a reasonable running condition now. I just did a tune up of the Weber's with a "Colortune" and since the sparks were out decided to have a look at the pistons with my cheapie boroscope.
All the NGK BP6ES sparks came out looking similar - blackish/brown. Perhaps running a little rich but no major build up. What is weird is Pistons 1, 2 & 4 look almost spotless (can see the "103" on the top center of the piston head) but Piston #3 has quite a lot of I assume carbon build up.
I have driven the car relatively hard for a bit, no long highway trip yet though. What I am unsure of is why only Piston #3 has the build up? Any thoughts?
Cylinder 1 (2 and 4 look very similar):
Cylinder 3:
Out of interest here is the engine bay when I got it:
And this is it on an early drive (before new tyres etc):