Originally Posted by NASA TT Rules

Mazda Miata ’90-’93 (1.6L), no motor swap, non-BTM head, or F/I:

Your '90-‘93 Mazda Miata 1.6L with a maximum 127 rwhp on a Dynojet, and a Minimum Competition
Weight (w/driver) of 2295 lbs, will have a new PT/TT base class of PTE/TTE. Your new base tire size is
235mm. You will not assess modification points for Section B. Weight Reduction or Section C. Engine
Mods. However, all other modifications, including transmission and LSD, that are not standard items on
a base trim '90-‘93 Mazda Miata must be assessed points, with the following exception. Only +1 point
will be assessed, instead of +3 points under section 8.3.F.4 for the use of a 1997 Miata sub-frame brace,
IF the vehicle is also being assessed for size 205 tires, +3 for a Mazdaspeed front chin spoiler, +2 for
bump steer/shimming due to the use of Miata “R” model tire rod ends, and +2 for the use of Mazdaspeed
sway bars. You must be compliant with the above listed maximum Dynojet HP and Minimum
Competition Weight during any tech. inspection.

This option may only be used with a PTE/TTE or higher Final Competition Class.

Please keep a copy of this e-mail and the most recent Dynojet sheets and Dyno Certification Form with
the vehicle log book as proof of re-classing. Also, turn in a copy of this e-mail, the Dynojet sheets, and
the Dyno Certification Form with your PT/TT Car Classification Form to your Regional PT/TT Director.
Note that the car will still need to be compliant with the Minimum Adjusted Wt/Hp Ratio for whichever
Competition Class you choose to run in.
This is an Official, approved, Dyno Re-Class copied from the current TT Rules, Appendix C

Mazda Miata ’94-’97 (1.8L), no motor swap, non-BTM head, or F/I:

Your '94-‘97 Mazda Miata 1.8L with a maximum 128 rwhp on a Dynojet, and a Minimum Competition
Weight (w/driver) of 2355 lbs, will have a new PT/TT base class of PTE/TTE. Your new base tire size is
235mm. You will not assess modification points for Section B. Weight Reduction or Section C. Engine
Mods. However, all other modifications, including transmission and LSD, that are not standard items on
a base trim '94-‘97 Mazda Miata must be assessed points. You must be compliant with the above listed
maximum Dynojet HP and Minimum Competition Weight during any tech. inspection.

This option may only be used with a PTE/TTE or higher Final Competition Class.

Please keep a copy of this e-mail and the most recent Dynojet sheets and Dyno Certification Form with
the vehicle log book as proof of re-classing. Also, turn in a copy of this e-mail, the Dynojet sheets, and
the Dyno Certification Form with your PT/TT Car Classification Form to your Regional PT/TT Director.
Note that the car will still need to be compliant with the Minimum Adjusted Wt/Hp Ratio for whichever
Competition Class you choose to run in.
This is an Official, approved, Dyno Re-Class copied from the current TT Rules, Appendix C
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Mazda Miata ’99-’00 (1.8L), no motor swap, non-BTM head, or F/I:

Your '99-‘00 Mazda Miata 1.8L with a maximum 130 rwhp on a Dynojet, and a Minimum Competition
Weight (w/driver) of 2390 lbs, will have a new PT/TT base class of PTE/TTE. Your new base tire size is
235mm. You will not assess modification points for Section B. Weight Reduction or Section C. Engine
Mods. However, all other modifications, including transmission and LSD, that are not standard items on
a base trim '99-‘00 Mazda Miata must be assessed points. You must be compliant with the above listed
maximum Dynojet HP and Minimum Competition Weight during any tech. inspection.

This option may only be used with a PTE/TTE or higher Final Competition Class.

Please keep a copy of this e-mail and the most recent Dynojet sheets and Dyno Certification Form with
the vehicle log book as proof of re-classing. Also, turn in a copy of this e-mail, the Dynojet sheets, and
the Dyno Certification Form with your PT/TT Car Classification Form to your Regional PT/TT Director.
Note that the car will still need to be compliant with the Minimum Adjusted Wt/Hp Ratio for whichever
Competition Class you choose to run in.
This is an Official, approved, Dyno Re-Class copied from the current TT Rules, Appendix C

Mazda Miata ’01-’05 (1.8L), no motor swap, non-BTM head, or F/I:

Your '01-‘05 Mazda Miata 1.8L with a maximum 130 rwhp on a Dynojet, and a Minimum Competition
Weight (w/driver) of 2405 lbs, will have a new PT/TT base class of PTE/TTE. Your new base tire size is
235mm. You will not assess modification points for Section B. Weight Reduction or Section C. Engine
Mods. However, all other modifications, including transmission and LSD, that are not standard items on
a base trim '01-‘05 Mazda Miata must be assessed points. You must be compliant with the above listed
maximum Dynojet HP and Minimum Competition Weight during any tech. inspection.

This option may only be used with a PTE/TTE or higher Final Competition Class.

Please keep a copy of this e-mail and the most recent Dynojet sheets and Dyno Certification Form with
the vehicle log book as proof of re-classing. Also, turn in a copy of this e-mail, the Dynojet sheets, and
the Dyno Certification Form with your PT/TT Car Classification Form to your Regional PT/TT Director.
Note that the car will still need to be compliant with the Minimum Adjusted Wt/Hp Ratio for whichever
Competition Class you choose to run in.
This is an Official, approved, Dyno Re-Class copied from the current TT Rules, Appendix C

Originally Posted by HoustonNW

Those look like Spec Miata RWHP numbers and weights I think.

Originally Posted by FatKao

A SM would get killed in PTE, is it even worth showing up to run TTE in one?

Originally Posted by Arca_ex

Depends on what region you're in.

Originally Posted by cabowabo

Doesn't matter if you win by an inch or default, winning is winning.

Originally Posted by OGRacing

SCCA style of picking a class.. Find a class with nobody in it and DOMINATE!!

Originally Posted by cabowabo

Doesn't matter if you win by an inch or default, winning is winning.

Originally Posted by Savington

To answer the original question:



Poorly

Originally Posted by Arca_ex

Depends on what region you're in.