I'm looking for info regarding installation of 270 pistons into a stock 248 block/head combo. What problems might I encounter with this swap? Will I gain or lose compession? Any interference? Will I send the head through the hood?!


"I always win." Working mainly alone I do not let my trucks win a war. Maybe a battle here and there but never the war.

Robert
55.1 GMC 450 COE
51ish GMC Suburban