Re: "hemi" vs. "wedge" -- was Re: IML: Fun Ride '67 Imperial with aHemi?

["A. Foster" <monkeypuzzle1@xxxxxxx>]

Hello All;
 From what I can recall the 426 Max Wedge and Hemi were developed from a 413
block, in fact I believe that there was a 413 Max Wedge before the 426 MW.
The differences in the blocks would lie in the bottom end such as having the
bearing caps cross bolted and extra webbing in the blocks for reinforcement,
not including rods and piston sizes; other then that the major differences
would be in the top end. I Remember reading in a magazine once about someone
finding a Hemi car with B/RB heads bolted on apparently in an attempt to
improve fuel economy, obviously not possible if the block had nothing in
common with a 383/440. I also recall hearing about some aftermarket Hemi
heads and manifolds that would fit a 440 but don't ask me where you would
get them.
 The six cylinder hemi was never produced in North America, it was a product
of Chrysler of Australia. From what I remember it was originally developed
as a truck engine in Detroit, which is also why it has a higher displacement
then your typical /6. Detroit abandoned it, Chrysler of Australia adopted it
and added a semi Hemi head and dropped it in numerous Chrysler Valiants from
the late 60s until the early 80's. Consult back issues of Collectable
Automobile for further information.
Best Regards
Arran Foster
1954 Imperial Newport
Needing A Left Side Tailight Bezel and other trim parts.
1975 Chrysler Newport
Need To fix the eight track player.
----- Original Message ----- 
From: "David Whitney" <david.whitney@xxxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Friday, May 27, 2005 7:30 PM
Subject: "hemi" vs. "wedge" -- was Re: IML: Fun Ride '67 Imperial with a
Hemi?


If you already know this, skip to the next message.  The designations
"wedge" and "hemi" do not refer to the engine per se.  Those words actually
describe the shape of the combustion chamber in the cylinder heads.

That said, there never was a 383, 400, 413 or 440 hemi because the hemi
heads are only compatible with the 426 blocks that were cast specifically
to receive those heads.

The 426 was originally a wedge, then a wedge or a max wedge, then for a
time could be had as either wedge, max wedge or hemi depending on which
block/head combination the customer ordered, then the max wedge disappeared
and from 1966 on it was a 426 hemi or a 440 wedge if you wanted a big V-8.
The hemi parts are also not interchangeable with the wedge/max wedge parts
for the reason stated above.

Chrysler trivia -- in some export markets, Chrysler sold a slant six engine
with hemispherical combustion chamber heads!  Can't you just picture a '64
Valiant with a "Yeah, it's got a hemi" bumper sticker?

Happy motoring,

David



                      "Dave"
                      <Wilkerbeast01@xxxxxxxxx        To:
<mailing-list@xxxxxxxxxxxxxxxx>
                      et>                             cc:
                      Sent by:                        Subject:  Re: IML: Fun
Ride '67 Imperial with a Hemi?
                      mailing-list-owner@imper
                      ialclub.com


                      05/27/2005 06:31 PM

                      Please respond to
                      mailing-list






I think the 400, 413, 440 and 383 engines were referred to as "wedge"
design, weren't they?

David C. Wilker Jr. USAF (RET)
Children need love, especially when they do not deserve it.
                                                               - Harold S.
Hulbert
----- Original Message -----
From: <RandalPark@xxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Friday, May 27, 2005 6:25 PM
Subject: Re: IML: Fun Ride '67 Imperial with a Hemi?


> During that time, the available Hemi was a 426.
>
> Paul W.
>
> In an email dated 27/5/2005 6:09:14 pm GMT Daylight time, AGDJ@xxxxxxx
> writes:
>
>>Well, my mechanic swears it is a hemi....440 is what it says on it.....
>>but
>>I am a novice at this, it may be that I am ignorant in this.... but a
>>picture
>>will be forth coming.
>>
>
>
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