For a PDF of the redlined version of the previous Max 2 rules, click here.

1.Max 2 eligible vehicles include production vehicles of more than 1,000 examples and eligible kit cars powered by the following OE engine displacement or KW-rated motor(s) and not weighing less than the corresponding minimum weight (with driver):

A. Modified naturally aspirated 4-cycle engines of up to 6.4L OE measured displacement: 3300lbs.

B. Unmodified single-unit forced-induction 4-cycle engines between 2.9x and 4.5L OE measured displacement: 3300lbs.

C. Unmodified naturally aspirated rotary or 2-cycle engines of up to 2.0L OE measured displacement: 2800lbs.

D. Unmodified single-unit forced induction 4-cycle engines between 4.5L to 6.4L OE measured displacement: 3800lbs

E. Unmodified, Modified, or added, forced induction 4-cycle engines between 1.9x to 2.9L OE measured displacement: 2700lbs.  

F. Modified or added forced induction engines up to 1.9L: 2350lbs.

G.  Unmodified, Modified, or added forced induction Rotary engines up to 1.5L: 2800lbs.

H. Electric vehicles with unmodified OE batteries and up to 400 KW OE rated motor(s): 3000lbs.

I. Electric vehicles with modified/replaced batteries or modified motor(s) up to 250 KW of OE rated motor(s) 3000lbs.

2.  All Max 2 eligible cars underweight go to Max 1 up to the Max 1 minimum weights. Lighter than that, welcome to Unlimited!