987S Engine rebuild

[El Vikingo Tropical]

Originally Posted by Quadcammer

have you measured the cylinders for ovality and taper? It looks like you intend to reuse the 5 cylinders and add one new piston?

Yes, I left this to a local machinshop who take care of this,

[El Vikingo Tropical]

I always use to weight the pistons before i assemble them to the engine, The new piston arrived weighting 540g and when I put the old units at the scale the weighted 543g....
But after cleaning carbon the made the same 540g as the new unit.
So 3g carbon weight at each piston..mmmm