Dave Boertman
* 1971 Dodge Charger.......383/300 HP
* Class.....J/SA
For 1971, the 383 engine was re-rated by Chrysler from 335 HP,,,, down to 300 Horsepower.
Compression Ratio was dropped from {
10.0} ,,,,,,, down to {
8.6}
New #3462346 Cylinder Heads were utilized for 1971, but the 'Big Valve' (2.08" Intake / 1.78" Exhaust) were still retained.
Camshaft, was a 'Special High-Lift Bumpstick' with a --- .467" Intake / .483" Exhaust ~ 268* / 284* Duration, with 46* Overlap.
High-Load Rate Valve Springs w/Damper
The 'trick', a "Holley" Model #4165 Series - 650 CFM-rated (#R-6191) Carburetor, with a 1 9/16" Primary and Large 1 3/4" Secondary.
* (The 'first' version on the 'new' Holley Spread-Bore)
The result..........capable of {12.50's @ 110 MPH) on a 12.90 @ 106.56 MPH National Record.
Dave sent the other J/SA Racers (1969 Chevy II Nova, 350/255 HP cars) into another direction.
1971
* Winternationals...................Stock Eliminator Champion
* Gatornationals....................Stock Eliminator Champion
* Springnationals..................Stock Eliminator 'Runner-Up'
* Summernationals...............Stock Eliminator 'Runner-Up'
* Indy Nationals.....................J/SA Class Winner
* Fall Nationals......................J/SA Class Winner
* World Finals........................Stock Eliminator Champion
* National Record Holder.....J/SA
