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Bad to the Bone 33HR

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NHRA Super Pro Street Legal Drag Racer

  1. Prep for welding to the new chassis. Following this path diversion has set the project back several months but will result in a safer design with...

  2. The old chassis is now expensive scrap metal. In hindsight I should have purchased a body and fabricated my own design chassis from the get-go and...

  3. New roll cage ready to attach to front end section.

  4. Cut-out dash = easy access and won't trap body with roll cage. This should be a FFR option.

  5. Test fitting the fuel pump and making fuel lines. The Quickfuel 30-175 electric bypass fuel pump provides 125 GPH @ 18 PSI and up to 200 GPH flow of...

  6. Pump mounted behind tubing with NASCAR style breakaway check valve for crash protection

  7. Custom headers designed to operate best with this engine package in a narrow range between 4,500 & 6,500 RPM where the engine will spend most of its...

  8. Can't buy headers to fit so I made them and the mufflers too. Already knew a lot about header design but this project forced me to educate myself on...

  9. Old School is Cool: that's a 385CI SBC setting on my run-in stand. 551HP plus 150 shot for approximately nine seconds at a time. Comp Cams &...

  10. The removable dash provides easy access to the pedal assembly and electrical systems mounted behind the dash. Aircraft style 1/4-turn fasteners hold...

  11. Enhanced side impact protection beyond SFI requirements. A few pounds of added weight provides piece of mind.

  12. Cockpit section fitting to frame.

  13. Making 30-deg rear braces fit under the roof & behind my helmet per sanctioning body requirements is the hardest part of the design to get correct. ...

  14. Parachute mount being fabricated. Chute manufacturer says expect 2-g's of negative acceleration when chute deploys. Additional tubing tying the...

  15. Upper Control Arm mounts allow for offset three link or parallel four link suspension.

  16. Heat treated aluminum structural panel attaches body to chassis and transfers load from the deck lid spoiler to the chassis. Also acts as an...

  17. One of these welds was made with a TIG process and the other was with MIG -- can you tell the difference? Some sanctioning bodies require TIG or...

  18. Roll cage starting to take shape. Checking dash fit to cage.

  19. Chassis fabricated on a welding jig.

  20. Built to SFI 25.4B specs -- 7.5-Sec full body cars.

  21. Jig welded frame.

  22. NHRA won't certify a roll cage welded to a FFR chassis -- square tube must be minimum 2". The NHRA rulebook exception for welding the cage to an OEM...

  23. Fuel cell mounted behind tubing for 360-deg crash protection.

  24. 18-Gal elastomer bladder type foam filled fuel cell with rollover vent valve and sending unit. AN-10 fittings on vent & pickup, -8 on return. FFR...

  25. Welded axle tubes prevent rotation inside housing under heavy load. This axel will transmit more than 11,000 lbs of thrust to the rear tires.
Showing photos 126 to 150 of 153
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