EXTRPR50 Founding Member Oct 7, 1998 370 1 19 Jul 25, 2005 #1 Jul 25, 2005 #1 Just out of curiosity, when 40-p's are put on our stock compression cars, does this change the comp. ratio? If so , to what ? stock is 9.0-1? thanx, it's been nagging me.
Just out of curiosity, when 40-p's are put on our stock compression cars, does this change the comp. ratio? If so , to what ? stock is 9.0-1? thanx, it's been nagging me.
W wytstang Mustang Master Mar 14, 2004 4,988 4 78 Summerville,SC missing South Fl. weather :( Jul 25, 2005 #2 Jul 25, 2005 #2 It does but don't know the math to figure it out. Stock heads have a CC of 64 while gt40p's have 60cc.
It does but don't know the math to figure it out. Stock heads have a CC of 64 while gt40p's have 60cc.
9 94gtslow Founding Member Jan 26, 2002 401 0 0 Temple,Texas Jul 25, 2005 #3 Jul 25, 2005 #3 I thinks its 9.4-1 or 9.5-1 not positive though.