Porting Mopar 318 smog heads.
Exhaust cut at 46 degrees is 2.8 mm.
The exhaust bowl is now 33.15 mm (1.305 inch), also with a small trompett shape.
81.5% with 1.6 valve, 87% with 1.5 valve.
Thats how far i dared to go.
Gasket match for 1 5/8 headers.
Exhaust cut at 46 degrees is 2.8 mm.
The exhaust bowl is now 33.15 mm (1.305 inch), also with a small trompett shape.
81.5% with 1.6 valve, 87% with 1.5 valve.
Thats how far i dared to go.
Gasket match for 1 5/8 headers.