93stallion302

Ok so I began tearing down my motor to finally install the HCI setup. Everything looks awesome(cylinders walls still have the crosshatches on them.), but I do have a question. a few of the pistons seem to have a calcium like buildup on them. It isnt much at all but I was wondering what it was and the cause?

is it a lean condition? The car is on the bottle, but has not been sprayed for almost a year. could that still show after so long? or is it a lean condition of recent?

93stallion302

I know I need to measure it but what size belts do you guys run for no A/C and no Smog Pump. The smog has been gone for awhile but Ijust took the A/C off today.

67mustang302

Post pics of the pistons.

93stallion302

This is the best one I have right now. Its Pouring here and I cant get outside to take a better one.

67mustang302

Hard to tell in those pics.

93stallion302

ya ill get some better pics tommorow

mjr46

looks like carbon build up

NoGo95GT

Yeah that looks just like carbon build up. Just lightly scrape that junk off. It may take some time, but I would deff. do that.

Genhero

What they said ^^^. I dont see anything out of the ordinary. just some carbon build up.

decipha

i've never seen white carbon before looks like oil and coolant mix thats been compressed and ignited unless im just delirious and my eyes are deceiving me