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SPECIFICATIONS

1969 MALIBU SPORTS COUPE - MODEL # 13637
 
ENGINE - N.O.M

 

C.I.D - 454, 

Pistons - Forged, .030 over

Cam - Crane hydraulic flat tappet cam (grind no. 284 H12) 228@.050 /.544 Lift
Heads - 049 Oval Port (ported with 2.25-1.88 valves)
Intake - Factory GM #3931067 (date code L12 8 - Dec 12, 1968)

Carb - Quadrajet 4V #7029215 (date code 0079 - Jan 7th, 1969)

Exhaust Manifolds - Stock GM #3916178 & 3909879

Exhaust Mufflers - DynoMax Super Turbo

 

DYNO RESULTS (engine dyno with headers & electric fuel pump)

 

450HP @5100 RPM

527TQ @2500 RPM

 

TRANSMISSION

 

Type - Muncie M20, 2:52 1st, GM #3925661

 

REAR END

 

Type - Numbers matching GM 12 Bolt - KJ1203K (3.55:1 large ring gear,McKinnon Industries)

Current Gear Ratio - 3.07:1 - Positraction
 


 

1969 Chevelles were billed as "America's most popular mid-size car." and showed only minor changes
for 1969, led by revised front-end styling. A single chrome bar connected quad headlights, and a slotted bumper held the parking lights. Taillight lenses were larger and more vertical, flowing into the quarter panels. Front vent windows began to fade away now that Astro Ventilation was sending outside air into several Chevelle models. No longer a series of its own, the SS 396 turned into a $347.60 option package for any two-door model.The Super Sport option included a 325-horsepower 396-cubic-inch V8 beneath a double-domed hood, along with a black-out grille displaying an SS emblem and a black rear panel. More potent editions of the 396 engine also made the options list, developing 350 or 375 horsepower. Fewer than seven percent of Malibus had a six-cylinder engine, while more than 86,000 got an SS 396 option. All '69 Chevelles got a new locking steering column one year ahead of the Federal requirement,and headrests required for all cars sold in the U.S. after January 1, 1969.
 
Below I have detailed the current drive train... unfortunately the original engine and transmission are long gone, however the car does retain the original 12 bolt rear end. The engine, transmission and rear end were all rebuilt in 2009.
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