Items allowed by NHRA over the years

[Dick Butler]

[QUOTE=Barnstorm;457346]The Mopar 383-343 cars that the factory never made....or 57 Chev 283 FI sedan deliveries with a Hydramatic....or what else??[/QUOTE

Marv Ripes and his A-1 Automatic development of a good PG to replace the HYDRO occurred at about the same time as the NHRA decided that too many sedan deliveries were dominating classes due to any motor any body.
Then the , had to be available in the body with the trans became the rule...about two years before all the "old" cars were blocked out of Stock and into SS.