Re: [FWDLK] 413 Chrysler with 8 to 1 Compression Ratio?????

[Fern Rivard <crc@xxxxxxxxxxxxxxx>]

Curtis:
    I am not aware of any 413 engines meant for use in cars that were only
8:1 compression. They did however make some for use in trucks and motorhomes
that were low compression but then that's a different story.
    Fern a 300 letter car collector as well as finned 57 CR lancer 2 dr ht



----- Original Message -----
From: "Curtis French" <cmf392@xxxxxxxxxxx>
To: <L-FORWARDLOOK@xxxxxxxxxxxxx>
Sent: Wednesday, October 22, 2003 6:11 PM
Subject: Re: [FWDLK] 413 Chrysler with 8 to 1 Compression Ratio?????


> .060 overbore would make a 413 a 426.  Probably would be safe absent
serious
> core shift.
>
> Piston selection for 426 is just as bad as 413.
>
> Those high $$$ max wedge boys can just go to JE or someone comparable and
> have custom forged pistons made in whatever CR they want.  Not cheap,
> though.
>
> Rings can be a problem for odd bore sizes, too, but a 426 has the same
bore
> as a big block Chevy, so no problem there.
>
> Hey, a low compression 413 is pretty cheap to build and will run pretty
good
> in a finned Mopar (I offer my own regular-gas 8.5:1 CR 413 Coronet as an
> example).  But for the same money you can easily build a 10:1 440 that
will
> run better.  Maybe one day I'll find out how much better.
>
> It all gets back to how much you want to spend, and how fast you want to
go?
>
> Okay, I'm done.
> Curtis
> 59 Coronet
> 56 Belvedere
>
> ----- Original Message -----
> From: "Bill K." <pontiac@xxxxxxxxxxxxxx>
> To: <L-FORWARDLOOK@xxxxxxxxxxxxx>
> Sent: Wednesday, October 22, 2003 8:21 PM
> Subject: Re: [FWDLK] 413 Chrysler with 8 to 1 Compression Ratio?????
>
>
> > Can you bore the 413 block to .060?  .030 will add about 6-7 CI, so you
> need
> > to go like .050 on it to get a stock 426 bore.
> >
> > Bill K.
> >
> >
> > ----- Original Message -----
> > From: "Ron Allyn Swartley" <Archangel1390@xxxxxxx>
> > To: <L-FORWARDLOOK@xxxxxxxxxxxxx>
> > Sent: Wednesday, October 22, 2003 8:08 PM
> > Subject: Re: [FWDLK] 413 Chrysler with 8 to 1 Compression Ratio?????
> >
> >
> > >
> > >
> > > Curtis,
> > >
> > >     You really did do your homework.!!!!!! I agree the 413 pistons are
> not
> > > readily available but I would hunt until I found them or punch the 413
> out
> > to
> > > 426 and used their pistons. If the motor is being torn completely down
I
> > feel
> > > that is the route to go. I feel if we talked to a guy with a 62 or 63
> > Ramcharger
> > > and he is rebuilding it he is not going to go to 8.1 CR.  However he
may
> > be a
> > > little reluctant to tell us his sources.
> > > Thank you for the additional information.
> > >
> > >
> > >   Ron
> > >
> >
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