OH yeah, I forgot to mention that in my reply too
- -the Chevs and GMCs were simply bigger motors!
Dick J
--- V4GR@aol.com wrote:
> Kvach; Flathead Fords were 221 and 239 cubic
> inches. Mercs after 49 were 253
> I think. Gmc engines from the late 30s were 270
> easily bored to 292 cubic
> inches and after 51,302 cubic inches stock. You
> had to stress a flathead a
> lot to get where a jimmy started. If you
> increase CR in a flatmotor you close
> off the transfer area between the valves and
> cylinder. So you must choose
> which you want most. Overhead valve motors do
> not have this problem. Jimmies
> have 4 mains Fords 3. Fords have impossible
> exhaust ports GMC could be better
> but they are OK and they don't hold heat in
> like a flathead. The speeds that
> were achieved with flathead Fords in the early
> days is phonemail to me. Just
> proves that hard work and ignorance will beat
> book learning anyday. Rich
__________________________________________________
Send instant messages with Yahoo! Messenger.
|