'The 383' ~ Getting Those True Factory Horsepower Ratings

Legal Cheater

Back in 1970 and 1971, we built a 1968 Plymouth Satellite 383/330 HP for NHRA Class 'H/SA'.

The Satellite weighed in at #3495 and with the 330 HP factor it came in at 10.59 Wt/Hp.

The Competition >
* 1969 Chevy Nova SS 350 {350/295 HP}
* 1970 Chevy Camaro SS 350 {350/300 HP}
* 1967 Chevy II Nova SS {327/275 HP}
* 1968 Chevelle SS 396 {396/325 HP}
* 1968 Ford Fairlane GT {390/325 HP}
* 1969 Ford Mustang GT 'Convertible' {390/320 HP}
* 1967 Ford Mustang 'Fastback' K-Code {289/271 HP}
* 1970 American Motors 'Rebel Machine' {390/340 HP}
* 1965 Pontiac GTO {389/325 HP}
* 1969 Pontiac Firebird 'Convertible' {400/330 HP}
* 1969 Oldsmobile 4-4-2 {400/325 HP}
* 1969 Buick GS 400 'Convertible' {400/340 HP}
* 1965 Dodge Coronet {383/330 HP}
* 1970 Plymouth 'Cuda 'Convertible' {340/275 HP}

Nearly everyone was a 'legal cheater', running in the low 13.00's.

Ah Ha, to compete we did >
* Forged-True Pistons {10.5-1 Compression}
* Match-Ported the Cylinder Heads
* Mopar #3412004 Camshaft {.484" Lift ~ 284* Duration ~ 68* Overlap}
* Mopar 440-6 {Six-Barrel} Valve Springs
* Adjustable Rocker-Arms
* Carter AVS {750 CFM} from the Mopar 440.

Yea, we put down 12.85's @ 109 MPH.

I believe we 'nabbed' 31 Class Trophy's over the 2-Year {1970 and 1971} span.