Modern Muscle Rules
Modern Muscle Rules
The Modern Muscle Class only runs
at the F.A.S.T. Spring Nationals
A great opportunity to share the track with the Legendary Detroit Iron of the first Musclecar Era
The Modern Muscle class is a great place for drivers of all skill set to take to the track and run with the classics.
Whether you are a first time racer or serious about the sport. you can spend two days with like minded enthusiasts.
Modern Muscle is open to any Muscle Car built after 1979, as long as it meets the rules.
Unlike our other classes, we welcome Factory Appearing cars with a PERFORMANCE IMAGE from all continents to run.
For forgien nameplates, think GTR and not Fart Pipe Honda.
1.00 BODY
1.01 The correct* original appearance must be retained.
1.02 No custom or fiberglass replacement panels are allowed.
Car frame and body, including bumpers, must be made from correct* original material.
Repro parts are OK if made from correct* original material
1.03 No "custom" paint colors, designs, or lettering is allowed.
Paint color must appear stock. Graphics (for advertising or creative purposes) will not be allowed anywhere on the vehicles. Only correct* graphics will be allowed. Example: Dodge Scat Pack bumble bees ,Hurst Olds, Yenko graphics, etc. Exception: F.A.S.T. sticker/ Modern Muscle as provided by and placed as directed by F.A.S.T. Directors.
1.04 Front and rear car height must appear correct.
1.05 Factory hood scoops, ram air, fresh air induction must appear correct.
1.06 Interior seating, trim, and materials must appear correct.
1.07 Aftermarket tachs and gauges are allowed if mounted on the steering column or under the dash.
1.08 Correct* glass only. All windows must be functional and closed during all runs.
1.09 Hood must be fully closed during all runs.
1.10 The outside car body must maintain correct* original dimensions.
2.00 ENGINE
2.01 Engine block must appear to be a correct* original block and must be of the same engine family and exterior size.
2.03 The entire engine compartment and engine assembly, including accessories, must appear correct*, except for items specifically defined otherwise in these rules.
2.04 Power adders are allowed and will be allowed to deviate from stock appearance*
3.00 FUEL SYSTEM/ Forced induction
3.01 All fuel lines must be stock* diameter
3.02 Adjustable fuel pressure regulators are ok if they appear somewhat stock*
3.03 Throttle body must appear factory correct*
3.04 Power adders are allowed and will be allowed to deviate from stock appearance*
4.00 EXHAUST
4.01 Factory OEM exhaust manifolds or headers allowed.
4.02 Mufflers must be stock looking in design.
4.03 Exhaust pipes must exit in the correct* original location,
4.04 Power adders are allowed and will be allowed to deviate from stock appearance*
4.05 "X" and "H" pipes are allowed. The “X” pipe assembly can not exceed 24” in length.
5.00 COOLING SYSTEM
5.01 The radiator, fan and radiator shroud must appear correct.
5.02 Overflow cans of at least 20 oz. are required.
Aftermarket overflow cans OK, if car originally did not have one. If an aftermarket overflow can is used, racers are encouraged to hide the overflow can as best they can with paint and placement.
6.00 SUSPENSION
6.01 Factory Ride Height must be appear correct* when viewed from 3 feet
7.00 TIRES AND WHEELS AND BRAKES
7.01 Wheels must have 4.
7.03 Drag Radials allowed
7.04 Aftermarket or OEM brake upgrades are allowed for safety concerns. Every effort should be made to achieve a stock appearance.
7.05 Line locks are allowed if hidden.
8.00 TRACK TECH
8.01 All track safety rules apply and you must pass track tech.
When required by track safety rules, roll bars and aftermarket seat belts will not be cause for disqualification under the 'stock appearing' requirement in the F.A.S.T. rules. We require that everyone racing in the F.A.S.T. class maintain a stock image and appearance as best they can. Every effort should be made to integrate required safety equipment with a correct appearance. Careful shaping and placement of the roll bar tubes to hide them as best as possible and painting of the roll bar is one way to try and blend in the roll bar with the interior.
9.00 UNDER BODY
9.01 Underside of vehicle needs to appear correct when viewed from ground level, 3 feet outside perimeter of the car.
Exceptions to this are any components specifically identified and mentioned in the rules.
