Re: IML: 1974 new yorker to 1968 imperial parts

["Rob P" <fristpenny@xxxxxxxxxxx>]

The '78 transmission should hold up fine.  The only potential drawback, if 
you consider it one, is that the '78 may have a lock-up converter.  If 
you're going to rebuild it take that into consideration.

There was a fairly big drop in power in the big block Mopar through the 70s. 
 Compression dropped dramatically and the cars were choked with primitive 
emission controls.  I believe the net for '71 was 295 hp or so.  By the end 
I think they were lucky to be in the 220 range.  Putting the tranny in front 
of a stiffer geared early car would be more likely to cause a problem 
because of driveline shock, but the 727 was always so stout that I'm sure it 
wouldn't be a problem.  Especially for an Imperial which very few of us drag 
race.



> From: Brad Hogg <roadhogg@xxxxxxx>
> Reply-To: mailing-list@xxxxxxxxxxxxxxxx
> To: mailing-list@xxxxxxxxxxxxxxxx
> Subject: Re: IML:  1974 new yorker to 1968 imperial parts
> Date: Fri, 24 Sep 2004 20:15:30 -0500
>
> Ummm, does anyone seriously think they would have re-engineered the 727
> transmission due to lower HP in the 440.  The HP reduction was not all that
> substantial either.  The system used to rate HP changed dramatically and
> that accounted for the greatest differences.  Many 60s cars I've had
> experience with also had different rear end ratios that would make them
> "appear" to have more power to the driver.  Heck, my 70s big block cars 
> have
> 2.73 gears!  It is no wonder they are doggish off the line but they highway
> cruise at 2000 rpm and get nearly 20 mpg!
>
> Sorry, I say nae nae!
>
>
> Please quote this message in your reply.  Otherwise I will be unable to
> reply to your message.  Thanks.
>
>
>
> ----- Original Message -----
> From: <dardal@xxxxxxxxxxxxxxx>
> To: <mailing-list@xxxxxxxxxxxxxxxx>
> Sent: Friday, September 24, 2004 7:41 PM
> Subject: Re: IML: 1974 new yorker to 1968 imperial parts
>
>
> Quoting louis colon <luis10241@xxxxxxxxx>:
>
> > Hello list and Brad,
> >
> > So the only parts are the engine and tranny that i can use for both.I 
> was
> > hoping to be a little luckier. Any one know about front end kit for a 
> 68?
> > Thanks for the info guys.
>
>
> I would not even use the engine of the 74 for a 68.  Even though the engine
> may
> fit, there was a serious power loss between the two years.  The 
> transmission
> may have not been as strong as in the 60's because the engine had far less
> torque, so there is a chance the 74 tranny will not last long behind a 68
> 440.
>
> D^2
>
>
>
>
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