78 Trans Am w/ Nitrous 403 Olds

test n tune, still working out some bugs music by: Amp Live 'mad man"

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79 trans am all motor sbo 403 stroked, day at the track racing
Running against my buddy at the track. First run thought clutch was slipping again so got out of it and coasted down track. Second run ran a 8.0 at 92 mph with a 2.0 60 ft on street tires. All motor with a sbo.





transam with olds 403





Can 403's be fast, some of you were wondering,read specs on comment page
Our Firebird from many years ago 1980 403 Olds 3800# no driver Edelbrock RPM Cam & Intake 850 Holley DP-- 1 5/8" Headers 1969 350 heads for a 9.5-1 compression ratio 400 trans--4.11 gear ratio





442 WITH OLDS 403 vs 2013 SS CAMARO - MARTIN US131
Here's a video of my last run at US 131 Motorpark Dragway after tweaking carb jetting and timing over the summer. The Olds 403 has a very broad torque curve and was able to take the SS in the quarter mile. The early #5 heads on the Olds do well for what they are but it is hard to deny the power that LS technology can make. The videographer missed the most important part of the race....The track times! Enjoy.




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