why do you need one to pass tech? no cars i have or work on have one. how fast you planning on going
Somewhere in the tens on motor. Got this from Michigan Speed:
10.99 to 10.00
10.99 to 10.00 or cars running 135+ mph
Use these rules in addition to the general rules and 13.99 to 11.50 and the 11.49 to 11.00 rules for full bodied cars only.
SFI 18.1 harmonic balancer mandatory
Aftermarket axles and axle retention device mandatory
SFI 4.1 spec transmission shield required on automatic trans cars
Rollcage required for convertibles or cars running faster than 135.
Rollbar is still OK for full bodied cars with stock firewall, floor, and body.
SFI 29.1 flexplate if car runs 135mph
Somewhere in the tens on motor. Got this from Michigan Speed:
10.99 to 10.00
10.99 to 10.00 or cars running 135+ mph
Use these rules in addition to the general rules and 13.99 to 11.50 and the 11.49 to 11.00 rules for full bodied cars only.
SFI 18.1 harmonic balancer mandatory
Aftermarket axles and axle retention device mandatory
SFI 4.1 spec transmission shield required on automatic trans cars
Rollcage required for convertibles or cars running faster than 135.
Rollbar is still OK for full bodied cars with stock firewall, floor, and body.
SFI 29.1 flexplate if car runs 135mph
never once been asked about one. dont even know if they know they are supposed to check for it.
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I raced the NMRA for a while and my first race I went to they told me I either needed a trans blanket or a trans shield. I recommend the sheild. I agree, take care of it now instead of getting told to go home because of failing tech.