StinkinLincoln Member Dec 9, 2006 240 0 17 Louisiana Sep 13, 2007 #21 Sep 13, 2007 #21 a 331 if properly built will max a stock block out with a 50-100 shot a 347 will make it a little easier to max out, you get about 20-30 more hp from a 347.
a 331 if properly built will max a stock block out with a 50-100 shot a 347 will make it a little easier to max out, you get about 20-30 more hp from a 347.