4cyl5speed
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Junior Member
Joined: May 2004
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From: cleveland Ohio
Car: 1985 iroc camaro
Engine: 305 tpi for now, but by spring a pretty stour smallblock. -anti-import-
Transmission: a beefed up 700r4
4cyl5speed
I just bought a 84 firebird with a 4cyl5speed. The body is real solid and the engine was rebuilt about 1000 miles ago and a new clutch was installed. title says it has 155,000. Needs a paint job but i plan on slapping one on in the spring. Is this thing rare? How much you think i could get out of it?
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Joined: Sep 2004
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From: Laguna Beach, Ca
Car: Gutted 92' RS TRACK ONLY / '86 Mustang gt 'vert / 1982 Yamiaha xs400 Cafe Racer
Engine: L03; TBI is IT! / 5.0HO (306) SFI / 400cc air cooled twin
Transmission: 700-r4 / WCT5/ 6-speed close ratio
Ironduke eh? Don't see those often at all....
Joined: Sep 2004
Posts: 2,777
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From: Casselberry, FLA
Car: 88 V6 'bird/89TBI bird/85 T/A
Engine: 2.8/TBI/TPI
Transmission: V8 T-5/700R4 x2
Axle/Gears: 3.42 open/2.73 open/ 3.27 9 bolt
I got an 85 4 banger firebird once.... for free to get it out of his yard. Nice body, though. Thanks to its existence my 87 formula was allowed to survive an unfortunate racing incident.......
Anyway, as firebirds go, it actually LOWERS the value to be a factory 4 cyl. All the more reason to hot rod it if it has a nice body!
Anyway, as firebirds go, it actually LOWERS the value to be a factory 4 cyl. All the more reason to hot rod it if it has a nice body!
Joined: Sep 2004
Posts: 2,777
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From: Casselberry, FLA
Car: 88 V6 'bird/89TBI bird/85 T/A
Engine: 2.8/TBI/TPI
Transmission: V8 T-5/700R4 x2
Axle/Gears: 3.42 open/2.73 open/ 3.27 9 bolt
Be a nice candidate for a fwd buick v-6 since the "duke" uses the GM metric tranny bolt pattern...............
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Joined: May 2004
Posts: 3
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From: cleveland Ohio
Car: 1985 iroc camaro
Engine: 305 tpi for now, but by spring a pretty stour smallblock. -anti-import-
Transmission: a beefed up 700r4
Eh, i would rather just try geting rid of it. I forgot to mention that i have a 84 t/a ho that is just siting there. So i thinkim just going to try to off the 2 in a package deal and maybe make some money. Thats the plan, but we'll see maybe ill like the gas mileage of 4 banger.
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
How slow can you go...
L4's are as noted above unusual, not "Rare" but unusual...
Desirabilty... Zero, Zippo, Nadda, None... I guess there might be a few people out there that find them really "Desirable"...
Actually it does make a good canidate to Turbo, or Supercharge, or put some big ole engine in it... Considering the Insurance should be LOW LOW LOW
It might be kind of fun to Supercharge, slap some Turbos, and put NOS on it, just for grins...
Actually because of internal frictions, you could put 15 PSI boost on it and get the equivelant of a V8 or even better.
John
L4's are as noted above unusual, not "Rare" but unusual...
Desirabilty... Zero, Zippo, Nadda, None... I guess there might be a few people out there that find them really "Desirable"...
Actually it does make a good canidate to Turbo, or Supercharge, or put some big ole engine in it... Considering the Insurance should be LOW LOW LOW

It might be kind of fun to Supercharge, slap some Turbos, and put NOS on it, just for grins...
Actually because of internal frictions, you could put 15 PSI boost on it and get the equivelant of a V8 or even better.
John
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Joined: Jun 2002
Posts: 1,154
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From: Milton Keynes, England
Car: 2009 Volvo V50 R Design
Engine: 2.0 turbo diesel
Transmission: 6 speed auto
Axle/Gears: yes, both
i love the 4 cylinder f bodies, never actualy seen one in the metal, but would love one as a daily..
Member
Joined: Jan 2004
Posts: 229
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From: Charlotte, NC
Car: 1991 Z28 clone & 1985 Fiero 2M4
Engine: 305 TPI (In Progress, Camaro) & 2.5L 4 cyl soon to be 3.4
Transmission: 700R4 (Camaro) & Isuzu 5 speed (Fiero)
good ole iron duke, it barely moves my fiero, hate to see it in the F-Body whales.
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From: In the state of bliss
Car: 1984 Pontiac Firebird
Engine: 2.5L Iron Duke 4 cylinder
Transmission: 5 speed manual
back from the dead.
In case anyone here is interested. Here's a couple pics of my firebird iron duke.
I'd like to modify this one with a turbo sometime in the future. (just for grins).
In case anyone here is interested. Here's a couple pics of my firebird iron duke.
I'd like to modify this one with a turbo sometime in the future. (just for grins).
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
Wait just a second, where is the other half of your engine!!! 
THe cool thing about that engine is you could remove the fan shroud and stand on the ground while you work on it...
John

THe cool thing about that engine is you could remove the fan shroud and stand on the ground while you work on it...

John
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From: Lexington, SC
Car: 88 TBI Formula, 98 LS1 TA, 77 400 T
My first car was an 85 Grand Am with the Iron Duke. The thing was nearly indestructable! I know I put it though things that I wouldn't wish on a Mustang!! It had over 200,000 miles on it when I sold the car and it still ran pretty good (as good as the 2.5 ever ran).
Do any of the other Iron Duke owners find it ironic that years after the 2.5 was discontinued, Pontiac started making a car called the Vibe?
Do any of the other Iron Duke owners find it ironic that years after the 2.5 was discontinued, Pontiac started making a car called the Vibe?
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From: In the state of bliss
Car: 1984 Pontiac Firebird
Engine: 2.5L Iron Duke 4 cylinder
Transmission: 5 speed manual
I have had the fan shroud out while servicing the radiator at one time. I should have snapped a pic. It was pretty bare. I want to put in an electric fan setup to remove the big 'ol fan/shroud. It would really open up the engine bay. Mainly for a turbo that I would like to eventually put in.
Originally posted by okfoz
Wait just a second, where is the other half of your engine!!!
THe cool thing about that engine is you could remove the fan shroud and stand on the ground while you work on it...
John
Wait just a second, where is the other half of your engine!!!

THe cool thing about that engine is you could remove the fan shroud and stand on the ground while you work on it...

John
Supreme Member
Joined: Aug 2001
Posts: 1,017
Likes: 1
From: Uppsala Sweden
Car: 1989 Corvette
Engine: 350 Tpi
Transmission: ZF 6 speed
Axle/Gears: Dana 44 3,33
Ive only heard of one iron duke in Sweden so ship it to me and i will take good care of it. It would be the perfect car to use during the winter.
Joined: Nov 2002
Posts: 3,466
Likes: 5
From: MA, USA
Car: 83 bird
Engine: 305/383
Transmission: WC T5
Axle/Gears: 3:42
Wish I could have one. Just for yuks, and to see what I could do with it.
Probably would be a good drifting car with a couple of turbos on it!!
Probably would be a good drifting car with a couple of turbos on it!!
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Joined: Jun 2002
Posts: 75
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From: West Hempstead, NY
Car: Formula
Engine: LO3 5.0l TBI V8
Transmission: WC T-5
Do something crazy like dropping a 2004 Ecotec Turbo and the manual tranny from the upcoming Solstice for something different. Keep it nice and light and powerful.
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Joined: Jun 2003
Posts: 22
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From: Woodstock, Il
Car: '88 IROC - in pieces
Engine: 350 TPI
Transmission: Whatever I can find
I ran across a four banger Camaro at the junkyard last year. It didnt dawn on me what it was until after I'd left. I should've got it, it wasnt in bad shape.
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From: In the state of bliss
Car: 1984 Pontiac Firebird
Engine: 2.5L Iron Duke 4 cylinder
Transmission: 5 speed manual
Originally posted by f355bird
Look at little bitty motor with all that **** around it to make it look bigger. Thats the first 4cyl ive seen.
Look at little bitty motor with all that **** around it to make it look bigger. Thats the first 4cyl ive seen.
I think with all the stuff cluttering the engine bay it gives the impression of something bigger than it actually is.
When I open the hood to show people the motor they don't automatically see that it is a 4 cylinder. I have to tell them and then they take a closer look.
-later
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From: In the state of bliss
Car: 1984 Pontiac Firebird
Engine: 2.5L Iron Duke 4 cylinder
Transmission: 5 speed manual
Originally posted by FAST RS
I would buy one just to have does it get good gas milage?
I would buy one just to have does it get good gas milage?
Not a real scientific analysis but it gets good gas mileage. That's the main reason why I put the bird back into the regular driving routine (had it parked for about 2 years). I drive much farther to work at from my new house than before.
-later
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Joined: Jan 2004
Posts: 229
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From: Charlotte, NC
Car: 1991 Z28 clone & 1985 Fiero 2M4
Engine: 305 TPI (In Progress, Camaro) & 2.5L 4 cyl soon to be 3.4
Transmission: 700R4 (Camaro) & Isuzu 5 speed (Fiero)
gotta love the good ole duke. Of course i dont know why someone would want it in an f-body. of course mileage is a lot better than a v6 or v8.
Decent motor in a fiero though.
Decent motor in a fiero though.
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Posts: 14,298
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
I have driven a 4 cyl Fiero, and it was a real Dog, it was no wonder they cancelled the Fiero! That and it over exciting fire issues...
John
John
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Joined: Jan 2003
Posts: 153
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From: Lexington, SC
Car: 88 TBI Formula, 98 LS1 TA, 77 400 T
Pontiac had an 84 Firebird with a 272 hp Iron Duke. Of course it had a bunch of SD parts, but 272 hp out of a 4 cylinder third gen is still 272 hp!!!!
I will try to scan the article. It's pretty old, don't know how it will scan in.
I will try to scan the article. It's pretty old, don't know how it will scan in.
Member
Joined: Jan 2004
Posts: 229
Likes: 1
From: Charlotte, NC
Car: 1991 Z28 clone & 1985 Fiero 2M4
Engine: 305 TPI (In Progress, Camaro) & 2.5L 4 cyl soon to be 3.4
Transmission: 700R4 (Camaro) & Isuzu 5 speed (Fiero)
Originally posted by okfoz
I have driven a 4 cyl Fiero, and it was a real Dog, it was no wonder they cancelled the Fiero! That and it over exciting fire issues...
John
I have driven a 4 cyl Fiero, and it was a real Dog, it was no wonder they cancelled the Fiero! That and it over exciting fire issues...
John
it gets a hell of a lot better mileage than my f-body will.
they were cancelled because of gm not wanting a car that sold under 100,000 other than the vette and the vette team was scared. there are fiero's now that run circles around f-bodies and vettes.
I wonder what it would be like to drive a 4 cyl 3rd gen though. 0-60 in 60 seconds?





