836rwhp Grand National on Dyno and RDP Motorsport USA

Grand National twin turbo making big numbers at RDP Motorsport

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Grand National dyno pull at 32psi
Dyno did not pick up the full run. cut off at 5000RPM.. car made 564 at 5000RPM and still had 1500rpm to go..





71mm Turbo Buick Grand National 660 rwhp Pump Gas Dyno Pulls
Another one of our awesome street cars putting down some good numbers!





1987 Buick Grand National w/ Precision Turbo





450 hp Grand National
a 450 whp grand national makes a few pulls on the interstate and races a 2006 mazdaspeed6. make sure to subscribe for videos every week.




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