I just pulled the motor out of my 1994 Chevy S-10 with a 4.3 Vortec (W) VIN, original bore size is 4.00", and I just measured each bore with bore gage and they are on average 4 thousands per inch over? thats only 2 thousands per side? what would you do? re-ring it or bore .030 over. The motor has...

Ok, I have a 98 GM 2.2L block and all internals, with a 97 head on it. Both motors came from S-10s. From the research I did, with the 98 block and 97 head, I have increased the compression ratio by about 1.5-2 points, which puts me in the 10.5-11:1 range. Pretty high for a non-modded motor. Here's...

Why are cooling system in motor vehecle engine sudject to overpressure?

I've seen boxer engines and the Porsche flat 8 cylinder engine. But this may be a REALLY stupid question. Is there a custom flat 8 cylinder (4 cylinders on each side) block that takes stock small block Chevy parts? The idea is to have a lower profile engine for a mid to rear engine custom car. Maybe...