I also had to tig weld with Ni rod some of the intake port so there would be enough material there to seal. Also relieved and drilled the lifter bores. This engine will be getting a 4.250" stroke SCAT crank and rods with 2.000" journals and Mahle forged 3 5/16" pistons. Also, a 3-71 blower on...
Just following up on my initial post, didn't realize it had been almost 4 years since I tore this engine down! I did decide to save this block and just got it back from the machine shop today. I ended up putting 1.550" valves in it and relieving the block and it all cleaned up pretty good.
This is the worst cylinder. I don't have them all cleaned up but upon initial inspection the others look ok. Someone had left the sparkplugs out of this engine and it must have sit with water in the top end for a long time, everything in the bottom looks good. It is a 59 block but must be a...
This cylinder has a lot of pitting around the intake valve over to the cylinder. I can put a new seat in it and deck the block slightly but I am worried about this causing detonation or being a problem.
The skirt actually has a slight barrel shape ) to it from top to bottom. The piston should be measured 90deg to the pin and usually 1/2" up from the bottom of the skirt (this measuring point can vary with different engine pistons and manufacturers). The ring land will be smaller then the skirt...