Quote:
Originally Posted by X-TECH MAN
I believe NHRA factored the engine at some time in the mid 70's and at the time you were not allowed to adjust the wt. for a lower class. Maybe 6 or 9m passenger model? Mark could probably let you know better since he ran one and that was 35 or so years ago.
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Could be several different factors there. You did need a 9 pass. to make "R" at that time.
Also ,back then you got points for setting records.
Another possibility ; I used to run Q at the R weight sometimes, before dialing under was allowed. Seeing I could run about .3 under the index, it worked out just about right.