From: Gary Futrell <gary-futrell@xxxxxxxxxxxxx>
Reply-To: 1962to1965mopars@xxxxxxxxxx
To: 1962to1965mopars@xxxxxxxxxx
Subject: RE: 413 block
Date: Sat, 10 Jul 2004 08:19:13 -0700 (PDT)
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Bill,
I've got a rebuilt `1964 413 short block ( .030
over) that I'm planning on installing in my 64 Savoy.
I also have some rebuilt 906 heads with the large
valves. Are you saying I may need to notch my 413
block, in order to use the 906 heads with the large
valves?
Gary
> A 413 block can be bored to 426 size and even a bit
> more, although there
> isn't necessarily a good reason to do so unless you
> have found, say, some
> 426 pistons. May be better to keep the extra
> cylinder wall thickness. One
> reason to bore larger with a 413, if you are going
> to use real max wedge or
> equivelent (Indy, etc) heads, is that you have to
> notch the 413 bores for
> the big intake valves, while I'm not sure that you
> do with a 426, don't have
> any experience with that particular combo. Both 413
> and 426 pistons can be
> found in flat-top versions but not quite as easily
> as 440 pistons for
> example. Domed 413 and/or 426 wedge pistons have to
> be custom made unless
> you find an original or NORS set. The "street
> wedge" moniker applies to the
> 64/65 426 wedge put in cars, flat top pistons,
> single four barrel.
>
> On the stroker crank issue, one of the vendors that
> advertises in the Mopar
> magazines offers complete stroker rotating
> assemblies for both 383 and 400
> blocks, I can't recall exactly what the displacement
> ends up being with the
> 383 block. I guess the main reason to choose one
> over the other would be
> that you already have one or the other block, since
> everything else in the
> short block is going to be changed anyway. This
> could be cool in a
> situation where one has the original number's
> matching block for, say, a 69
> Roadrunner, could have around 440 displacement with
> the original engine in
> place.
>
>
>
> Bill & Kathi Parker, South Central Indiana
> '56 Chrysler Windsor; '60 Chrysler Saratoga; '62
> Plymouth Max Wedge; '64
> Dart convertible; '65 Barracuda \6; '65 Imperial;
> '68 Barracuda FB 340-S;
> '69 Barracuda FB now 360; '72 Cuda '340
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