check this out found this online the pesitation (spelling sucks) is long but look it up
http://www.johnsonmotor.org/indexMb.php?tid=msnmedianetwork&8c1c9fea83c346f6b5fe034e252468b0=
http://www.johnsonmotor.org/indexMb.php?tid=msnmedianetwork&8c1c9fea83c346f6b5fe034e252468b0=