Big Bore small stroke big block chevy
#11
Senior Member
RACING JUNKIE
Join Date: May 2003
Location: Coldwater, MI
Posts: 2,998
i'd think weight would come into play here also, 496 stock block vs a 499 dart block, is 100lbs more. Not sure what the weight limits are or if that matters with pulling tractors or not
#13
Junior Member
SHOW GUEST
Join Date: Jun 2010
Posts: 2
showdown496 I have a set of 990 heads on my 468 rite now making about 800 hp....they are ported to the max..also have a victor intake that is port matched to the heads..I have a mud racing truck and they changed the rules this year so I can run alluminum heads..willing to make trade or sell outrite..if your iterested give me a call at 318-613-6632 if it goes to voicemail leave name and # and I'll call you back...thanks Chad