
The dutch Black Cat team is working on a new modified tractor with blown V8 engines. As base they have purchased the former Seaside Affair chassis. First pictures of their work in progress are on their website.


The following rules will apply to the light Modified class for the 2009 season:
6300 lb. Modified State National Level limits
(These rules apply to State and Regional events where offered)
1. Two (2) blown automotive engines with 8-71 superchargers at the overdrive limits listed below (No turbochargers allowed):
a. Wedge heads that will accept a stock OEM intake manifold bolt pattern limited to 70% maximum overdrive.
b. Wedge heads without a stock OEM intake manifold bolt pattern are limited to 50% maximum overdrive (Exception – Big Chief Heads).
c. Hemi-style or Big Chief Heads are limited to a maximum of 26% overdrive.
2. One (1) blown automotive engines with 14-71 superchargers at 70% maximum overdrive.
3. Three (3) naturally aspirated Big Block automotive engines.
4. Four (4) naturally aspirated Small Block automotive engines.
5. One (1) Allison engine on alcohol (no gas) with a maximum of an 8.8-1 supercharger with stock 9.5 inch blower wheel. Must use stock Allison 2 port butterfly in stock Allison location.
6. One (1) industrial or marine engine twelve (12) cylinder limit, with a 2500 cubic inch limit or 3000 mfg. rated HP.
8. Two (2) Ranger aircraft engines with a max of 800 cubic inch with single stage centrifugal chargers on alcohol with fuel injection.
9. One (1) Turbine or combination of NTPA recognized turbine engines not to exceed a maximum of 3000 total horsepower using the ratings as approved by NTPA. No fluids except for engine oil and jet fuel allowed being used or onboard vehicle. Two (2) T-53 L13 Turbines, or One (1) T-64 6 Turbine, or One (1) T-55 L7C Turbine.
No Griffon engines allowed.