When did Pontiac start using 067 camshafts?
Upon initial installation of a 455 in the wagon in 1986, an 067 cam was installed. At that time, stock heads and intake manifold were used, and several other engine components or accessories were slightly different.
What kind of engine does a 1978 Pontiac Firebird have?
1978 Pontiac Firebird Formula Engine (approx. 400hp) – Chev 350 (4 Bolt main) – Bored 30 over – Forged TRW pistons (10.5 to 1 compression) – Crane Cam – 2.02”/1.60” Corvette heads – Edelbrock Performer RPM intake manifold – Carter Carb – Can install Aluminum heads and raise comp ratio for more power.
Why are short duration cams used in Pontiac V-8 engines?
A short duration cam accentuates low RPM power. As engine speed increases, it has a limited amount of time to fill or exhaust its cylinders before the piston changes direction. Increasing duration allows better cylinder fill and evacuation at high RPM, which promotes maximum power production in the operating range the engine is heaviest loaded.
What kind of camshafts does a Pontiac 041 have?
Installed Rhoads variable (leakdown) lifters on the 041 with 1.65:1 rockers. Quarter-mile performance improved by .15 seconds and 1.5 mph over the 068 with 1.65:1 rockers. Idle quality was excellent]
What kind of transmission does a 1975 Firebird have?
1975 Pontiac Firebird Trans Am 400ci V8 – Turbo 350 Automatic Transmission – Cameo White Over Blue Complete ground up restoration this 75 Firebird is flawless. Garage kept since resto, equipped with 1975 Pontiac Trans Am LS1 with T-Tops! EASY HAGGLE FREE PRICING….! Good looking head turning T/A 1975 Pontiac Firebird 350 automatic.
What is the firing order of a Pontiac engine?
The Pontiac Engine. Pontiac Firing Order Pontiac V8 265, 301, 307*, 326, 350, 389, 400, 421, 428, 455 Firing Order Cylinder Numbering Distributor Rotation Rotor Under Cap Spins: Counter Clockwise (*307 rotates Clockwise) These graphics courtesy of Boxwrench.com.
How many miles does a 1975 Pontiac Trans Am have?
This 1975 Pontiac Formula 400 has 47000 miles on it. The car is equipped with air conditioning, aut Cruisin Classics is proud to present to you this 1975 Pontiac Trans Am. This particular car is a Nu Body & Paint: The body and panels of this car are all in great condition. There are a couple of