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Car Forum / GMC Cars / July 2006

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1984 2.5 engine

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Gary N. Mace - 21 Jul 2006 17:32 GMT
Anyone know or know where I can look to find which car bodies a 2.5
engine from an 84 Celebrity will fit?
Thanks
Mark Sparge - 21 Jul 2006 18:05 GMT
> Anyone know or know where I can look to find which car bodies a 2.5
> engine from an 84 Celebrity will fit?
> Thanks
-----------------------------------------------------------------------------------------------------
Not sure I understand the intent here.  Do you have a good engine/bad
car and want to put your engine into another body?  Or, are you looking
for another engine to put into your Celebrity?

At any rate, the 2.5 (AKA Iron Duke) has been used in many GM vehicles
starting in the 60's with the LeMans.  It was also used in Jeeps and
boats over the years.  I KNOW that it was in an '80 Phoenix that I had,
and it probably was also in the "sister" cars -- Cutlass Ciera and
Chevy Citation.

HTH,
Mark
Gary N. Mace - 24 Jul 2006 15:37 GMT
I have an 84 Celebrity with only about 60K miles on it in excellent
shape.  The body is rusting away (under the seats, brake lines, gas
line, etc.).  Someone told me the motor would only fit 84 & 85
Celebritys.  I've looked for several years for a decent body with no
luck.
However, I have found an 88 Cavalier with no rust and would like to
swap the motor if it will fit.

>> Anyone know or know where I can look to find which car bodies a 2.5
>> engine from an 84 Celebrity will fit?
[quoted text clipped - 12 lines]
>HTH,
>Mark
grappletech - 24 Jul 2006 20:09 GMT
They never put the 2.5 "Iron Duke" into the Cavalier.  The Cavalier had
the 1.8,2.0 and then 2.2, 2.8, 3.1 V6, Quad 4 in the Z24 version etc..  
You could probably put it in a Cavalier but would require extensive
modification of motor mounts and such.  Best to find a car that
originally came with the 2.5, but has a great body and bad engine for
cheap.

The 2.5 was the base engine in the Chevy Celebrity, Pontiac 6000, Olds
Cutlass Ciera, Buick Century (these cars are virtually the same car).  
It was even the base engine in the Camaro for a few years, Pontiac
Fiereo (they should have used the Quad 4!), GMC Jimmy, Blazer/S10, Grand
Am, even Postal delivery Jeeps, etc..  I think of all the cars that the
2.5 lived in, the Pontiac 6000 was the best styled of them all.  Real
cool car.  Neat styling, interior, dashboards.  

http://en.wikipedia.org/wiki/GM_Iron_Duke_engine

here's a ton of detail on the Iron Duke.  GM probably used the Iron Duke
in the Pontiac Fiero because they also used the front suspension bits
from the Citation/Phoenix/Omega cars in the Fiero!  They basically took
the FWD engine/suspension from the Citation clones and placed them in
the back of the Fiero!  More GM bean counting.  But I still loved the
Fiero and used to own one.  A silver '84 SE model with the Iron Duke.
Mark Sparge - 24 Jul 2006 21:35 GMT
> They never put the 2.5 "Iron Duke" into the Cavalier.  The Cavalier had
> the 1.8,2.0 and then 2.2, 2.8, 3.1 V6, Quad 4 in the Z24 version etc..
[quoted text clipped - 4 lines]
>
> http://en.wikipedia.org/wiki/GM_Iron_Duke_engine

Thanks for the Wiki link.  I really never realized that the 2.5 engine
that was in the old 60's Tempest was NOT the same as the Iron Duke.

Interesting,
Mark
HLS@nospam.nix - 25 Jul 2006 13:32 GMT
> > http://en.wikipedia.org/wiki/GM_Iron_Duke_engine
> >
[quoted text clipped - 3 lines]
> Interesting,
> Mark

Another thing to know about that later engine is that it tended to be a
piece of Sh**.

I had one in a Fiero too.  Block cracked early on, and when I went to the
junkyard to
find a solid block to rebuild, found roughly 4 of 5 also cracked in the
exact same place.

Another great conquest of GM over the trusting proletariat.
Eugene Nine - 25 Jul 2006 21:20 GMT
>> > http://en.wikipedia.org/wiki/GM_Iron_Duke_engine
>> >
[quoted text clipped - 13 lines]
>
> Another great conquest of GM over the trusting proletariat.

Huh?  The iron duke was a good engine.  The s10's with it run over 200k
easily without problems.  I overheated mine when the radiator blew, it
melted a piston but kept on running.
HLS@nospam.nix - 26 Jul 2006 01:06 GMT
Another great conquest of GM over the trusting proletariat.

> Huh?  The iron duke was a good engine.  The s10's with it run over 200k
> easily without problems.  I overheated mine when the radiator blew, it
> melted a piston but kept on running.

Not all of them were, Eugene.  In that era, 1984, a large number of them
self
destructed with cracks in the water jacket just above the lifter gallery
floor.

Those were bullshit engines.  I went through enough of them in the junkyards
to know.

Maybe they fixed them, or maybe they were good previously, but there was
a period that these engines were purely trash.
 
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