I think Dart has a new Ford block with three or four different deck heights.
I'm with you Dave, around a 4" bore and 3" stroke seems to be the best for a
"D" motor, and a thick cylinder wall has got to be better when using N2O.
JB
----- Original Message -----
From: "Dave Dahlgren" <ddahlgren@snet.net>
To: "Bob B" <saltracer@shaw.ca>
Cc: <land-speed@autox.team.net>
Sent: Wednesday, June 25, 2003 4:57 AM
Subject: Re: Nitrous question
> What was wrong with the 4 X 3 that the bow tie guys built in the first
place??
> Think thick cylinder walls. A thinking guy would build a Ford if you
wanted a D
> size V-8 though. Better deck height more power, lighter, smaller, better
> cylinder heads, has more development work done in recent times for a 300
inch
> engine...
>
> A 4.035 X 2.980 = 304.8
>
> That way you have a couple of chances at the block 4.000 through 4.035 you
can
> get pistons and rings every 0.005 increment, even if you hurt one or two
holes
> you can put a 0.005 ver in them and be fine, trust me the engine will
never know
> the difference and if you have a carb it will not know either.
> Dave
>
>
> Bob B wrote:
> >
> > Opinions please
> > Lets say a sbc
> > Using nitrous ( appropriate internals for each) would you be better off
with 4.030x2.9 motor or a 3.905x3.15 motor. Just in the shop looking at
some of the stuff hanging around and wondered about it. I suppose we could
also throw in a 3.766x3.35 into the question. All pretty standard gm block.
> > Bob from Canada
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