From the Reference Section:
- Carter Dual 4-Barrel Carburetor Idle Adjustment
- Carter Dual 4-Barrel Carburetor Adjustment
- Carter Dual 4-barrel Carburetors, Linkage Sticking
- Buick Cam Specifications for 401 and 425 nailheads
- Buick Cams from Kenne Bell, 401, 425
    - Nailhead Engine Specifications
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- Nailhead cam specs and cam selection
- Nailhead Parts Interchange
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Thread: 425 nailhead camshaft help

  1. #1

    425 nailhead camshaft help

    I am building a 425 for my model A. The car weighs 2600 ponds with the current stock 401 and T400 tranny. I will be running a switch pitch T400 behind the 425. My question is what cam grind would be recommended for this setup, stock or mild? I use the car for Street use only. Any suggestions would be greatly appreciated. I've been told that with the higher stall in the converter , that I could us a wilder than stock cam.

  2. #2
    If you want to run a "wilder" cam and want the high stall of the switch pitch to allow for it without having to put a ton of pressure on the brake pedal, get a switch pitch converter from an ST300. It's one inch smaller in diameter and behind a big block (401/425) it has a much higher stall. The ST300 was the two speed transmission that was used in the 401 powered Skylark series GS's back in the mid 60's.

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