Re: 426 SW

[Dave64 <lt7dave@xxxxxxxxx>]

Ron - I would say you have a mw block there.  I think the valve reliefs are the only difference between the mw and sw blocks.  Of course, the assembled mw engines had higher compression pistons, etc...  But the blocks are probably the same other than the reliefs.  Could be possible that someone put them in there after the fact?

Dave

--- On Thu, 12/30/10, Roger Pettigrew <dodger7998@xxxxxxx> wrote:

> From: Roger Pettigrew <dodger7998@xxxxxxx>
> Subject: Re: 426 SW
> To: 1962to1965mopars@xxxxxxxxxx
> Date: Thursday, December 30, 2010, 11:24 PM
> 
> 
> Hmmm,,,,,,,,,, I have had two street wedge's and neither of
> them  had the 
> reliefs cut in the block, as well as the 383's (both
> engines have the  same 
> bore) that I have had,,,,,,,, there was no reason for it,
> as the street  
> wedge never had the heads that needed the extra notch for
> the  valves
>  
>  
> In a message dated 12/30/2010 11:17:46 P.M. Central
> Standard Time,  
> reniemin@xxxxxxxxxxxxxx
> writes:
> 
> 
> I  have a 426 SW that has the valve reliefs. 
>     It's a 10/63  date block 
> and 
> I knew the fellow that originaly owned the 64 Sport fury
> it  came in. 
> I had the joy of riding in the car when he first got
> it.   He and the car 
> are long gone now.
> ----- Original Message  ----- 
> From: "Dave64" <lt7dave@xxxxxxxxx>
> To:  <1962to1965mopars@xxxxxxxxxx>
> Sent: Thursday, December 30, 2010 11:29  AM
> Subject: Re: 426 SW
> 
> 
> Thanks, Don.  I think 426 MW has the  reliefs
> too, from what I've read - 
> just 
> trying to verify, though.  I  would think folks
> who sell the new repro 
> heads 
> would know the  answer.  I'm a long way away from
> any of this, but I find 
> 1/2 
> the fun  of our cars is thinking and dreaming about
> the path out in  front.
> 
> Dave
> 
> --- On Thu, 12/30/10, Donald Gallimore  <dongallimore@xxxxxxx>
> wrote:
> 
> > From: Donald Gallimore  <dongallimore@xxxxxxx>
> > Subject: Re: 426 SW
> > To:  1962to1965mopars@xxxxxxxxxx
> > Date: Thursday, December 30, 2010, 11:37  AM
> >
> > Yes on the crank. Don't know that you can just 
> throw
> > on the main bearing caps -
> > may need to do an align  bore.
> >
> > I know they notched the bores on 413MW, not so
> sure  that
> > was needed on a 426MW
> > block which is .070 larger  bore.
> >
> >
> > Akron Don  Gallimore
> >
> >
> >
> > ----- Original Message ----
> >  > From: Dave64 <lt7dave@xxxxxxxxx>
> > > To:  1962to1965mopars@xxxxxxxxxx
> > > Sent: Thu, December 30, 2010 11:49:33  AM
> > > Subject: Re: 426 SW
> > >
> > > Edit: I meant to  say main bearing caps.
> > >
> > > --- On Thu, 12/30/10, Dave64  <lt7dave@xxxxxxxxx>
> > wrote:
> > >
> > > > From:  Dave64 <lt7dave@xxxxxxxxx>
> > > > Subject: 426 SW
> >  > > To: 1962to1965mopars@xxxxxxxxxx
> > > > Date: Thursday,  December 30, 2010,
> 10:46
> > AM
> > > >
> > > > Will a  440 crank and main bearing caps
> work
> > with a 426 SW
> > > >  block? I think the answer is yes
> > because the 413, 426,
> > >  > and 440 RB blocks are the same other
> than
> > the cylinder  bore
> > > > size - right? I know more than one of you
> > will  know
> > > > the definite answer.
> > > >
> > >  > For a bonus question, does anyone know
> if
> > the newly repro
> >  > > max wedge heads work on a 426 SW
> block, or
> > won't  they
> > > > because the SW block doesn't have the valve
> >  reliefs in the
> > > > deck like a max wedge block does?
> >  > >
> > > > Thanks in advance.
> > > >
> > >  > Dave
> > > >
> > > >
> > > >
> > >  >
> > > >
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> Please  address private mail -- mail of interest to
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> privacy, reduce 
> the  total volume of mail and fine tune the content
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> Thanks!
> 
> 1962 to 1965 Mopar Clubhouse Discussion  Guidelines:
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> [Non-text portions of this message have been removed]
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> ----
> Please address private mail -- mail of interest to only one
> person -- directly to that person.  I.e., send
> parts/car transactions and negotiations as well as other
> personal messages only to the intended recipient, not to the
> Clubhouse public address. This practice will protect your
> privacy, reduce the total volume of mail and fine tune the
> content signal to Mopar topic.  Thanks!
> 
> 1962 to 1965 Mopar Clubhouse Discussion Guidelines:
> http://www.1962to1965mopar.ornocar.org/mletiq.html and
> http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.
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