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Canadian Poncho Homepage -> Canadian Poncho -> General Engine Performance Forum -> Pontiac ''Iron Duke'' four cylinder
Post Info TOPIC: Pontiac ''Iron Duke'' four cylinder
409Safari


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Pontiac ''Iron Duke'' four cylinder
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.......From Street Rodder, November 1977........

 

Iron Duke 01.jpg

Iron Duke 02.jpg

Iron Duke 03.jpg

Iron Duke 04.jpg

Iron Duke 05.jpg



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long stroke


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I love it............ it would probably give some V-8's a run for the money.



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1957 Pontiac Pathfinder Deluxe sedan restored 261 six

1974 Chevrolet Caprice Estate wagon low mileage original 400 V-8
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4SPEED427


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Very informative article. I learned a few things about those 4 bangers.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
Pontiacanada


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I like these vintage magazine articles Pierre ... thanks.



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Prince Edward Island

'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.

409Safari


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Pontiacanada wrote:

I like these vintage magazine articles Pierre ... thanks.

You're welcome but......I'm always a little  embarassed when I post them.........seem I bother people more than I interest them.......

...but if you like it.......you're stuck with me for years.........I have hundred and hundred  of these magasines........I collect them from the early sixties....LOL



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eeluddy


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If you want a cheap performance version find a marine one. either MercCruiser or OMC Cobra 3.0 L. They can really take a beating and are very torquey for the size.

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RDubya


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I liked that article...i'm sure many Fiero owners know/knew how to bring those engines to life.

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Randy

1967 Beaumont Custom 4 dr survivor
1985 Firebird

2004 Montana shortie

2007 Uplander extended*newest addition to fleet*

 
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CdnGMfan


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GM Performance Parts used to have Super Duty program with special parts back when the Fiero was in production and a little beyond. Still Mercury Marine made those engines commonplace. The trouble with the inline fours was their vibration period at 4000 RPM, a result of one crankpin reaching BDC when each plug fired. 180 degree firing. The inline six was much smoother because they had 120 degree firing.

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67 Chevelle Malibu Sport Coupe, Oshawa-built 250 PG never disturbed.

In garage, 296 cid inline six & TH350...

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cdnpont


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Interesting, I agree with the vibration at 4000, it has it right there! I have the 3.0 in my little Bayliner. Besides being a little crude, it's a good, reliable and easy to maintain little 4. But I usually hold her at 3200 when on plane, and it's perfectly happy to run there all day.

I'd imagine it would be a great little motor in a small rod. They obviously put iron liners in these after the Vega/Astro fiasco... right?



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 67 Grande Parisienne 4 door HT. 69 Parisienne Convertible.
 
GLHS60


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The Vega aluminum block is exactly why they were named the Iron Duke!!

They were entirely cast iron, no need for liners.

The Vega aluminum engine, didn't have liners, but the head was cast iron!!

Thanks
Randy

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long stroke


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Was this not the same motor that was dropped in the Chevrolet Chevette. Folks love to crap on the Chevette but everything that i have ever heard from folks that have owned one, says that it was one solid reliable mode of transport. Please.................. no jokes on the "Shovette" theme of non sense. Just some clarification on this motor being in the Chevette and the Pontiac (Canadian) variation. Power to the four banger, may they live and prosper. Cheers. George



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1957 Pontiac Pathfinder Deluxe sedan restored 261 six

1974 Chevrolet Caprice Estate wagon low mileage original 400 V-8
4SPEED427


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No, this one is different George.

But you are correct, the Chevette was a heck of a good car with a great engine as you say.

It's obvious they have quite a following because every time I've tried to be a Chevette/Acadian that's advertised for a price anywhere reasonable, it's been long sold already. It was everything a Vega wasn't...

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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long stroke


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Carl Stevenson wrote:

No, this one is different George.

But you are correct, the Chevette was a heck of a good car with a great engine as you say.

It's obvious they have quite a following because every time I've tried to be a Chevette/Acadian that's advertised for a price anywhere reasonable, it's been long sold already. It was everything a Vega wasn't...

 Thanks Carl but do you know what the differences were between these two sturdy four banger work horses. I always thought the Chevrolet Chevette four banger was called the "Iron Duke". Over the many years, i always heard the references to the " Iron Duke", when folks spoke of the Chevette engine.  Cheers. George



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1957 Pontiac Pathfinder Deluxe sedan restored 261 six

1974 Chevrolet Caprice Estate wagon low mileage original 400 V-8
4SPEED427


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They share nothing in common at all George. They are each a completely different design. chevette.jpgduke.jpg

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
409Safari


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Carl Stevenson wrote:

..... It was everything a Vega wasn't.....

 .....speaking of Vega engine..............

 

Numérisation_20151223 (6).jpg

 

 



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goushdds


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I had one of the last renditions of the "iron duke" in my first truck a 91 S-10. They renamed it the 4 tech then and it made a whopping 105hp....let me tell you they are close to indestructible. The things I did to that poor truck through my teens! It had 200,000km on it when I sold it didn't use a drop of oil and was still running like a top.



-- Edited by goushdds on Wednesday 23rd of December 2015 06:12:29 PM

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Joel A.

64 Parisienne Rag

67 SD396

63 Parisienne Safari 409

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4SPEED427


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Yes, as long as you could tolerate those horrible clattering timing gears!

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
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goushdds


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Carl Stevenson wrote:

Yes, as long as you could tolerate those horrible clattering timing gears!

 oh ya did they ever clatter....I was a teenager so the stereo was able to drown the timing gears out.wink



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Joel A.

64 Parisienne Rag

67 SD396

63 Parisienne Safari 409

 Alberta
Pontiacanada


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goushdds wrote:
I was a teenager so the stereo was able to drown the timing gears out.wink

 Sounds like what I did to drown out my Vega's noises!



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Prince Edward Island

'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.

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