What I say you should do, is get the two (440 vs. 383) to run, and then the winner races you, this way, if you spray big, there is a 50% less chance of you breaking something.
I hope all goes well with the race.
Good Luck
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1984 Bronco II, 36" Michelin Military Tires, 95 EFI 5.0, NP435 Tranny, NP208 Doubler, NP205 Transfer Case, Fill Size Solid Dana 44 Front End, WH Progressive Rate Rock Crawling Coils, Bronco 8.8 Rear, Skyjacker Softride Leafs, 5.13 Gears, Detroit Locker. Final Crawl Ratio Of 175:1
88 GT
Best 60ft. 2.181
Best ET 14.350
Best MPH 98.01
~WRECKED!!!!~
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