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Iron Duke

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Old Jan 27, 2004 | 10:39 PM
  #1  
Fbodyfrank's Avatar
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From: Detroit "ROCK CITYYY!!"
Car: 1990 IROC
Engine: 2.5 4cyl
Transmission: stock 700-R4
Iron Duke Race Performance

I own a 1990 IROC. I like it a lot and all, but when I bought it, I thought it was a rare car, for it was equipped with an Iron Duke. For those of you not familiar, the Iron Duke is the 2.5 4 cyl engine found in many Camaros. I've never heard of one being in an iroc though. Is my car some rariety, or do you think I was underhanded?

Last edited by Fbodyfrank; Jan 28, 2004 at 08:30 PM.
Old Jan 27, 2004 | 11:13 PM
  #2  
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From: Alton IL
Car: 87 aniv vert, 90 Iroc, 87 LT
Engine: LB9, LB9, carbed 305
Transmission: MM5, MM5 conversion, MM5 conversion
Axle/Gears: 3.45, 3.73, 3.73
whats the VIN number?

that engine was only available from 82-84, never in an iroc, or a 90 model?

got any pics?

whats the catalyst sticker say?
Old Jan 28, 2004 | 12:39 AM
  #3  
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
If it has an L4 it's not a 1990 unless it was swapped in. Why someone would want to do that I have no idea.
Old Jan 28, 2004 | 08:14 AM
  #4  
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From: Long Island, New York
Car: 91RS
Engine: 305tbi
Transmission: 700R4
That definatly isn't factory. Either someone swapped the engine in there for some odd reason, or they put all the iroc stuff on an Iron Duke car, maybie they switched over the VIN plate?
Old Jan 28, 2004 | 08:12 PM
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From: Detroit "ROCK CITYYY!!"
Car: 1990 IROC
Engine: 2.5 4cyl
Transmission: stock 700-R4
Vin Number

The vin number on the car is 1G1FP2329LL013857
Old Jan 28, 2004 | 08:29 PM
  #6  
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From: Detroit "ROCK CITYYY!!"
Car: 1990 IROC
Engine: 2.5 4cyl
Transmission: stock 700-R4
For performance...

Ever since I picked up my iroc duke I have wanted to get some more performance out of it, I was excited to find this engine in the car, I mean, the thing is just made for it, you know? Runs nice and smooth... So what I need to know is where should I start to make this thing the speed demon I know it has the potential to be??
Old Jan 28, 2004 | 08:35 PM
  #7  
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From: Long Island, New York
Car: 91RS
Engine: 305tbi
Transmission: 700R4
Strange, put it through the Vin decoder and it says "2 is not a known engine code". Sure that vin is right?

Made in: United States
Manufacturer: General Motors
Make: Chevrolet
Carline Code: F-Body
Carline Series: Camaro (all models)
Body Type: 2 door coupe (hatchback)
Restraint System: Manual belts (driver inflatable)
2 is NOT a known Engine Code!
9 is the CHECK DIGIT
Model Year: 1990
Assembly Plant: Van Nuys
Production Sequence: 013857
Old Jan 28, 2004 | 09:11 PM
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according to manual i have 2 is the engine code for a 4cyl iron duke but was only available in fbodies from 82-86.
Old Jan 28, 2004 | 09:16 PM
  #9  
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From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
That vehicle doesn't even exist. I put the VIN in the carfax detection thing and it says its invalid.
Old Jan 28, 2004 | 09:23 PM
  #10  
90iroc5spd's Avatar
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From: Alton IL
Car: 87 aniv vert, 90 Iroc, 87 LT
Engine: LB9, LB9, carbed 305
Transmission: MM5, MM5 conversion, MM5 conversion
Axle/Gears: 3.45, 3.73, 3.73
ok, what dash is in it..... does it have an airbag... if its a 90 it should??

sounds like BS
Old Jan 28, 2004 | 09:32 PM
  #11  
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From: Upland Pa
Car: Camaro Vert
Engine: 355 HSR
Transmission: A4
Axle/Gears: 3.73 S60
The engine code should be T (I think thats it for a V6) E (305 TBI), F (305 TPI) and 8 (350 TPI)

Kat
Old Jan 29, 2004 | 12:03 AM
  #12  
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I smell a troll.
Old Jan 29, 2004 | 01:50 AM
  #13  
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From: Chicagoland
Car: 1983 Daytona Trans Am
Engine: LG4
Transmission: T5
Axle/Gears: 3.73
Old Jan 29, 2004 | 01:51 AM
  #14  
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From: Chicago
Car: 1989 Camaro IROC-Z
Engine: L98 350 TPI
Transmission: Built TH-700 R4 (Vilgilante 2800)
Axle/Gears: 9 bolt w/ PBR's
Re: For performance...

Originally posted by Fbodyfrank
Ever since I picked up my iroc duke I have wanted to get some more performance out of it, I was excited to find this engine in the car, I mean, the thing is just made for it, you know? Runs nice and smooth... So what I need to know is where should I start to make this thing the speed demon I know it has the potential to be??
RIGHT!!!

Yeah I think we got a funny man here trying to pull our chain here!!

Originally posted by cdartz
I smell a troll.
^^I second that

Kevin

Last edited by gearhead0384; Jan 29, 2004 at 01:53 AM.
Old Jan 29, 2004 | 02:49 AM
  #15  
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From: Chicago
Car: 1989 Camaro IROC-Z
Engine: L98 350 TPI
Transmission: Built TH-700 R4 (Vilgilante 2800)
Axle/Gears: 9 bolt w/ PBR's
Double post

Kevin
Old Jan 29, 2004 | 07:56 AM
  #16  
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From: Long Island, New York
Car: 91RS
Engine: 305tbi
Transmission: 700R4
Did it run a 12 secont in the 1/4 mile because its lighter too?
Old Jan 29, 2004 | 08:01 AM
  #17  
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Originally posted by 82FirebirdTA
I think someone is messing around too, prolly just took the near correct vin and replaced the engine code with a early 80's 4 cyl # (2). and look at the post count.
Old Jan 29, 2004 | 08:27 AM
  #18  
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From: NJ,USA
Car: 1984 Trans Am
Engine: GMPP 350 V8
Transmission: 700R4
Axle/Gears: 3.23
Anyone know when GM stopped producing a RWD version of the iron duke? I believe the last year for it in an Fbody was 1985.
Old Jan 29, 2004 | 10:47 AM
  #19  
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From: Chicagoland
Car: 1983 Daytona Trans Am
Engine: LG4
Transmission: T5
Axle/Gears: 3.73
Originally posted by TAdan
Anyone know when GM stopped producing a RWD version of the iron duke? I believe the last year for it in an Fbody was 1985.
1986 was the last year of the Iron Duke in the F-body.
Old Jan 31, 2004 | 11:23 PM
  #20  
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From: Lexington, SC
Car: 88 TBI Formula, 98 LS1 TA, 77 400 T
Iron duke runs nice and smooth???? I had an 85 grand am with an iron duke and it nearly shook the dash apart when it was running smooth! Iron dukes were durable, but noisy and would shake your fillings out! As I understand the second hand story some pontiac zone rep got fired for making a vibrator comment about the thing.
Old Feb 1, 2004 | 11:59 AM
  #21  
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From: Mays Landing NJ
Car: 2018 Camaro SS
Engine: LT1 w/Paxton 1500SL
Old Feb 1, 2004 | 02:19 PM
  #22  
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From: Staten Island, NYC
Car: 1987 Lincoln Mark VII LSC
Engine: Novi'ed 304 H.O.
Transmission: T-5
Axle/Gears: 4.10 Trac-Lok w/ Moser axles
Originally posted by fly89gta
:werd:
Old Feb 1, 2004 | 02:50 PM
  #23  
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no!
Old Feb 1, 2004 | 03:05 PM
  #24  
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From: Mays Landing NJ
Car: 2018 Camaro SS
Engine: LT1 w/Paxton 1500SL
Well wait guys, if a 3rdgen can come with a 350 and a 5-speed surely an Iroc can come with a Iron Duke...
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