Re: modified 413

[Dave Casey <dcasey@xxxxxxxxxxxxx>]

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Well, using some common logic, all the RB engines (413, 426 wedge, 440, and
the obscure 383) would use the same length connecting rod and have the same
piston pin height. Similarly, we would expect the 350, 361, 383, and 400 to
all share the same rods and pin heights. We also know that the RB rod is a
different length than the B rod. Using specs from the Silv-O-Lite catalog at
http://www.beckracing.com/slvpg38.htm

The listing is:
361 truck (60-77) - 7.5 CR, Comp. Ht. 1.880
383 (59-71) - 9.5, 8.4, or 8.7 CR, Comp Ht 1.848
400 (72-80) - 8.0 CR, Comp Ht 1.812
413 truck (60-77) - 7.5 CR, Comp Ht 2.019
440 (66-71) - 9.5 or 8.8 CR, Comp Ht 1.970
440 (66-71) - hypereutectic, 9.7 or 10.1 CR, Comp Ht. 1.990
440 (72-80) - 8.0 CR, Comp Ht. 1.912

So it looks like you've either got really low compression, or your machinist
milled the heck out of your heads/deck to bring the ratio back up.

Dave Casey

----- Original Message ----- 
From: <aaremea5@xxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Monday, August 09, 2004 7:09 PM
Subject: RE: modified 413


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Yea Dave,the support is the fact that the 383 pistons are what is in my
426 block!          Alex
Dave Casey wrote:
>
> I do believe the pin height is different, as well as the rod length. Got
> anything to support that they're the same?
>
> Dave Casey
>
> ----- Original Message ----- 
> From: <aaremea5@xxxxxxxx>
> To: <1962to1965mopars@xxxxxxxxxx>
> Sent: Sunday, August 08, 2004 7:08 PM
> Subject: RE: modified 413
>
>
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>
> If your looking for 426 wedge pistons then look no farther than the 383
> pistons. These are the same piston, the only difference is that the 426
> used a longer connecting rod. The bore is the same size!
> Good luck.              Alex,  64 Dodge 880 426 wedge
>
>
>
>
>
>
>
> bill parker wrote:
> >
> > It seems pretty hard to get high comp pistons for either 413 or 426,
> > some
> > members say they can get them off-shelf so maybe someone will post
> > specific
> > info, I had Ross make my max wedge pistons custom and of course that's
> > way
> > expensive.  However, for flattops, there are Badger and other NORS sets
> > floating around, come up on eBay once in a while and sometimes
> > elsewhere, in
> > .020, .030 over for 413s.  I haven't seen 426 NORS much, maybe because
> > the
> > 426 non-hemi was made in relatively few numbers including both street
> > wedge
> > and max perf forms, compared to the numbers of 413's in all those
> > Chryslers
> > and Imperials.
> >
> >
> > 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
> >
> >
> >
> >
> >
> > >From: Bob Fortson <bobt1885@xxxxxxxxxxx>
> > >Reply-To: 1962to1965mopars@xxxxxxxxxx
> > >To: 1962to1965mopars@xxxxxxxxxx
> > >Subject: Re: modified 413
> > >Date: Sun, 8 Aug 2004 16:41:53 -0400
> > >
> > >[AD removed for archives]
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> > >All types of credit cards -- 0% APRs, Rewards, & Bad Credit.
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> > >
> > >Bill, Thanks for the help. We're am taking the .030  to clean up the 64
> > >Imperial 413 block. We can't find the high compression pistons  so it
> > >has
> > >been suggested to cut the head's to get the increase...and yes, I'm
> > >using
> > >the stock heads ... am doing the  valves also. I am not doing the work
> > >myself, but am hireing it done.... they're asking lot'sa questions that
> > >I'm
> > >not sure about in 2004...I know how I would have answered in '63.
> > >Thanks,
> > >Bob
> > >----- Original Message -----
> > >From: "Bill" <hemirr@xxxxxxxxxxx>
> > >To: <1962to1965mopars@xxxxxxxxxx>
> > >Sent: Sunday, August 08, 2004 3:18 PM
> > >Subject: RE: modified 413
> > >
> > >
> > >[AD removed for archives]
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> > >
> > >What pistons are you going to use?  And are you using original 413
> > >heads?
> > >They have closed chambers and probably provide some quench benefit with
> > >flat
> > >top pistons.  I'm running a nominal 10.25:1 in my '72 340 and runs fine
> > >on
> > >premium, so I'm going to go about there with others I'm building.  Did
> > >you
> > >need to bore that block due to deep gouges?  If not, in my opinion
would
> > >be
> > >better to keep thicker walls compared to a very small gain in
> > >displacement,
> > >and 413 and 426 pistons are about equally difficult to get.
> > >
> > >
> > >
> > >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
> > >
> > >
> > >
> > >
> > >
> > > >From: Bob Fortson <bobt1885@xxxxxxxxxxx>
> > > >Reply-To: 1962to1965mopars@xxxxxxxxxx
> > > >To: 1962to1965mopars@xxxxxxxxxx
> > > >Subject: modified 413
> > > >Date: Sun, 8 Aug 2004 14:02:11 -0400
> > > >
> > > >[AD removed for archives]
> > > >-------------------------------------------------------------------
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> > > >The fastest - Easiest way to lose weight! Try it now FREE!
> > > >caacvgtbWhYkEa/MyDietPatches
> > > >-------------------------------------------------------------------
> > > >
> > > >
> > > >I'm presently doing a 63' Ply. Fury conv. and am trying to make it
into
> > > >a
> > > >car that I owned in '63. The 318 is to be replaced with a 413 opened
up
> > >to
> > > >426 with 3/4 cam, rollers, 2x4 intakes, etc. I want a street machine
> > > >with
> > > >boy dog ability...I'm debateing (with myself) about lifting the
> > >compression
> > > >to 10.75 / 1 (cutting stock heads .035)  This debate is centered
around
> > >the
> > > >need for higher octane to make it purr....will adding booster siffice
?
> > > >There is no supply of racing gas around here and it's better than
$4.00
> > > >a
> > > >gallon when found...How much booster is needed and is it available in
> > >large
> > > >containers ? Bob Fortson
> > > >[Non-text portions of this message have been removed]
> > > >
> > > >[AD removed for archives]
> > > >-------------------------------------------------------------------
> > > >Save up to 67% on Omaha Steaks + Get 6 FREE Burgers and a
> > > >FREE Cutlery Set + Cutting Board!
> > > >caacvgpbWhYkEf/OmahaSteaks
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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!
> > > >
> > > >'62 to '65 Mopar Clubhouse Discussion Guidelines:
> > > >http://www.1962to1965mopar.ornocar.org/mletiq.html.
> > > >
> > > >
> > >
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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!
> > >
> > >'62 to '65 Mopar Clubhouse Discussion Guidelines:
> > >http://www.1962to1965mopar.ornocar.org/mletiq.html.
> > >
> > >[AD removed for archives]
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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!
> > >
> > >'62 to '65 Mopar Clubhouse Discussion Guidelines:
> > >http://www.1962to1965mopar.ornocar.org/mletiq.html.
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >
>
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> caacvgtbUYx2xf/MyDietPatches
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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!
>
> '62 to '65 Mopar Clubhouse Discussion Guidelines:
> http://www.1962to1965mopar.ornocar.org/mletiq.html.
>
>

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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!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html.

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Get a Great Credit Card for You Today 
You can find a credit card to fit your credit needs.  
All types of credit cards -- 0% APRs, Rewards, & Bad Credit.
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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!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html. 



b7yoMz.