FullOfRage New Member Aug 21, 2011 13 0 1 upstate ny Mar 20, 2013 #1 Mar 20, 2013 #1 What's the difference between the 331 and 347 ?
02 281 GT Agreed...My wife has great Boobs 15 Year Member Feb 3, 2009 3,183 2,123 194 Cabot, AR Mar 20, 2013 #2 Mar 20, 2013 #2 The 331 has a 3.25" stroke crankshaft, the 347 has a 3.4" stroke crankshaft. There may be other differences, but that is the largest between the two.
The 331 has a 3.25" stroke crankshaft, the 347 has a 3.4" stroke crankshaft. There may be other differences, but that is the largest between the two.
RIO5.0 15 Year Member Feb 16, 2001 6,892 7 128 N.H. Mar 20, 2013 #3 Mar 20, 2013 #3 Here's some reading... i choose a 331 myself. http://www.fordmuscle.com/archives/2002/04/331/
02 281 GT Agreed...My wife has great Boobs 15 Year Member Feb 3, 2009 3,183 2,123 194 Cabot, AR Mar 20, 2013 #4 Mar 20, 2013 #4 The part about rod to stroke ratios makes me understand why people rarely seem to go bigger than 408 on a 351-based stroker.
The part about rod to stroke ratios makes me understand why people rarely seem to go bigger than 408 on a 351-based stroker.
revhead347 Apparently my ex-husband made that mistake. Dirt-Old 20+Year Member Jun 14, 2004 9,202 1,732 214 Acworth, GA Mar 21, 2013 #5 Mar 21, 2013 #5 Just a stroke difference between the two. Kurt
Rick 91GT Mustang Master Nov 29, 1999 9,692 95 99 PA Mar 31, 2013 #6 Mar 31, 2013 #6 02 281 GT said: The part about rod to stroke ratios makes me understand why people rarely seem to go bigger than 408 on a 351-based stroker. Click to expand... There are stock production motors that have worse rod to stroke ratios...anything over a 4-4.1" stroke makes pistons a challenge for clearance. Sent from my XT907 using Tapatalk 2
02 281 GT said: The part about rod to stroke ratios makes me understand why people rarely seem to go bigger than 408 on a 351-based stroker. Click to expand... There are stock production motors that have worse rod to stroke ratios...anything over a 4-4.1" stroke makes pistons a challenge for clearance. Sent from my XT907 using Tapatalk 2