Added HP for 2nd carb and header?

[shew01]

Yup, well over 7000 with 4 valve 34 degree pentroof Weslake head...

Are you saying 7000 RPM?


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[nkaminar]

So with stock gearing 7,000 rpm is about 180 mph. I think people on the highway would be shocked to see a Model A pass them at 180 mph.

 

[old31]

I don't get these numbers, do you. The A carb does 64.21 HP. The B carb does 63.86 HP. Why is the B carb less?

From PIRANIO'S ANTIQUE AUTOMOTIVE DYNO SHEET

A: carb

1300 12.7 151.25 37.44 40.76
1500 12.9 153.53 43.85 47.73
1700 13 154.67 50.06 54.50
2000 12.3 146.70 55.86 60.81
2200 11.5 137.59 57.63 62.74
2500 10.3 123.92 58.99 64.21
2700 9.4 113.67 58.44 63.62

B: Carb

1300 12.9 153.53 38.00 41.14
1500 12.9 153.53 43.85 47.47
1700 12.9 153.53 49.70 53.80
2000 12.2 145.56 55.43 60.01
2200 11.3 135.31 56.68 61.36
2500 10.3 123.92 58.99 63.86
2700 9.4 113.67 58.44 63.27

 

[johnneilson]

So with stock gearing 7,000 rpm is about 180 mph. I think people on the highway would be shocked to see a Model A pass them at 180 mph.

At Bonneville, it is not surprising.

And, just to be clear, Most people on the freeway today do not even know what a Model A is.

J