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  #16 (permalink)  
Old 04-05-2006, 01:26 PM
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strokeri iron duke: that what I was looking for

That is the one, I have been looking for. It is in this computer some where. Take a look at thier stuff. Expensive but the real thing.

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  #17 (permalink)  
Old 04-05-2006, 01:50 PM
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Now thats cool, the chevy citation X-11 and fiero guy would love this set up.
Craig
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Old 04-05-2006, 09:23 PM
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Iron Duke Stroker

Somewhere in TV immortality AIN'T IT SO
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  #19 (permalink)  
Old 04-15-2006, 07:47 PM
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I "hotrodded" an Iron Duke

OK, I almost hate to admit this, but I had an 82 Firebird (not Fiero...Firebird) which came from the factory with teh Iron Duke 2.5 liter 4-banger...yes this was the base motor from 82-85 I believe....all 92hp worht of it. Well, I got this wild hair thinking "If Porsche can get 150hp from their 2.5 liter, why can't I?" - it turns out the answer is "Because you aren't a German engineer with the funds to desing it from scratch" was the answer. In the end I:

rebuilt the 4-banger, .030 over
used 4 custom made Venolia pistons on stock shotpeened rods
a mild Crane cam
replaced the stock TBI unit with a larger unit (30% larger) from Holley
replaced the intake with Edelbrocks Performer TBI for 151 cu in motors (no longer made)
replaced exhaust maniold with Hooker Super Competition header (huge 1 3/4 primaries which really helped the bottom end torque - NOT)
replaced the exhaust with a free-flowing 3 " walker setup
installed a 75hp NOS Nitrous setup (single fogger nozzle)

I actually got to "race" (I use the term loosely) an 84 Firebird with a stock 4-banger and it wasn't even close (off the bottle), so I know my mods made a differnece, but so what - it cost me a ton, and was still slower (off the bottle) than a stock 305 for that year. On the bottle at the track I think (it has been 20 years) I ran in the 9's (1/8 mile folks, 1/8 mile).

For what it's worth...
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  #20 (permalink)  
Old 04-16-2006, 02:16 AM
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Iron Duke Stroker

Every body interest in this is coming up short as far as I know. Jeep used the 151 last. The 173 helped so I am told. After market Blocks and/or heads seem to be a viable engine. But expensive. Evolution to the Quad 4 made a good engine,but with EFI ,16 valves, etc Its hard to transfer. I haven't posted much lately. A rebuilt Quad 4 is well over 3000., Good but far evolved from the original. They are supposed to be durable, but at least need the truck block, or the racing block. The block is 2500 bare. I have a lot of info on codes for different uses and recommendations for parts.. I would be interested in 16 valves if it used carbs. I'm on hold, I don't know about anybody else. Anybody want a 944 -85model engine good engine.We keep trying, I can't keep paying for gas like I am doing now. thx m
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Old 07-19-2007, 05:15 PM
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2.5 S-10

I've also been lookin' for a stroker kit for the 2.5 in my 1988 S-10.
Not wanting to make a race motor, just want more torque out of the lumberin' pig.
Anyone have some leads on this yet?
I think Eagle Rods could score big on this concept.
Thanks,
Steve @ 500ms.com
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Old 01-12-2012, 06:12 PM
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Quote:
Originally Posted by 87442lover
I'm sure I'll catch some flak for this one, but here it goes.

Do any of you out there know of any Iron Duke 2.5L stroker kits. I know it's a 4in bore x 3in stroke so I would think someone out there would have made one by now. Did a search and found no articles on it.

Thanks.

and yes this looks like another project coming my way when I have no more room as it is
use a crank from a 3.0 Mercuries with 1.9 contacting rods and bore it .060 over. that should put you about 250+ hp. that is what i did with a 2.5 that i put in my 72 Opel 1900 manta
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Old 01-12-2012, 07:20 PM
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This thread is six years old.
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Old 01-12-2012, 07:57 PM
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...and it was started over 8 years ago. We have a notice that shows it's an old thread when posters start a reply to old threads, don't people see that?
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  #25 (permalink)  
Old 01-13-2012, 08:14 AM
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Quote:
Originally Posted by 68NovaSS
...and it was started over 8 years ago. We have a notice that shows it's an old thread when posters start a reply to old threads, don't people see that?

Isn't that the point of saying "use the search function". Who cares if it was started 10 years ago, valid information is still valid.
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