Stop in for a cup of coffee

halifaxhops said

I thought you would know. Hey why is the 273 intake a one model engine only?

Click to expand...

64 and 5 for the odd bolt angle. 65 4 barrel one year only because of that. 66 and 67 4 barrel are the same. There was a CAP manifold as well starting in 66. 68 and 9 were 2 barrel only when they dropped the HP engine and went to hydraulic cam.