View Full Version : Nailhead performance

01-13-2003, 08:53 PM
Hello, can anybody tell me approx. the bhp. of a 56 322cid Nailhead, I don't know which kind of car it's from.
Thanks in advance

01-14-2003, 04:14 AM
They rated the 2 bbl engine at 220HP and the 4bbl at 255.

Joe T
37Buick coupe /455 powered
40 Super convert
72 GS455 convert 13.0/105
63 225 2dr Hard top 25K original miles

01-14-2003, 08:50 PM
Thank you verry much, that will do fine in a 28 roadster ! Is there a list somewere that shows the different performance for each engine ? (I don't know this site well enough)

Dr. Frankenbuick
01-15-2003, 01:57 AM
Go to the front page of this site and click on the year of interest. Then click identification and tune up specifications once in the year of choice. The HP and Torque specs ar listed for all engines in the chart.


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Steve B.
GSCA #2173 (1986)
67 GS 525 Stg IV
66 GS Convertible
65 GS HT
63 Riv