The head we flow tested yesterday, is now on a plane bound for Mesa. So I should get it before I leave for Indy next Wed. I knew suitcases were good for something other than clothes.
As for aluminum vs cast iron, here they are.
Aluminum first, then the cast.
Intake
100=52 vs 63
200=99 vs 101
300=143 vs 133
400=180 vs 155
500=201 vs 156
600=210 vs 156
Exhaust
100=40 vs 36
200=79 vs 68
300=111 vs 91
400=144 vs 98
500=160 vs 103
600=164 vs 105
Here's a couple pics. 8) 8) 8)
As for aluminum vs cast iron, here they are.
Aluminum first, then the cast.
Intake
100=52 vs 63
200=99 vs 101
300=143 vs 133
400=180 vs 155
500=201 vs 156
600=210 vs 156
Exhaust
100=40 vs 36
200=79 vs 68
300=111 vs 91
400=144 vs 98
500=160 vs 103
600=164 vs 105
Here's a couple pics. 8) 8) 8)