3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

1988 tbi iroc?

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Old Mar 11, 2004 | 09:49 AM
  #1  
kevin 2.8's Avatar
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1988 tbi iroc?

new listings were posted and this one im going to call today,
just want to get my facts straight before i call.


Year: 1988
Make: CHEVROLET
Model: CAMARO
Model Detail: IROC-Z
Price: $1,250
Mileage: ------- km
Date: 3/11/04
Ad Type: Dealer
Comment: 305 T.BI. Auto. T-roof, pw, p/hatch, tilt. Car is rusty, but complete. $1250.

listed as a IROC-Z but its TBI is this right? or is it a sport coupe
the grille looks like an RS, the hood LOOKS LIKE from the pic that has louvers, but they might be painted on. it has the z28 looking rims,



Last edited by kevin 2.8; Mar 11, 2004 at 09:53 AM.
Old Mar 11, 2004 | 09:52 AM
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oops iits not an iroc

from http://www.iroc-z.com/1988pages/1988...20Interest%20~

"To distinguish a 1988 IROC-Z on the street, they had a third brake light on the rear spoiler. They also had the N96 Aluminum Wheels(15in standard/16in optional). They had a the IROC-Z door emblems toward the back of the door under the door handle. Also, the double stripe just above the ground effects had the black stripe on the top. All IROC-Z's had body color ground effects to differentiate from Z28s and Sport coupes.

Note the DX3 RPO Delete Stripe Option eliminated all IROC-Z decals and stripes if selected.

Vinyl was not an available fabric beginning in 1988

A convertible was available in 1988.

Beginning in 1988, all engines were fuel injected. The carburated engine was no longer available.

In 1988 a true serpentine belt system was used replacing the combo serpentine/V belt system used from 1985 to 1987.

The Z28 model was dropped and replaced by the IROC-Z model.

The 5.7 Liter 350ci engine was available in 1988.

The 5.7 was not visually distinguishable from the 5.0. A few things can be used to distinguish a 5.7 TPI from a 5.0 TPI (other than badges, which are often changed to sell a 5.0 as a 5.7). All 5.7's came with the square shifter ****, all other Camaro's came with the round ****. All 5.7's had automatic transmissions and rear disc brakes. the eighth digit of the VIN is an 8 for 5.7 350 TPI. The service parts identification list in the center console glovebox will list the code B2L for a 5.7 350 or LB9 for 5.0 305. The under hood sticker should list the motor as a 5.7 liter rather than a 5.0 liter. All TPI 350's came with a tach that had yellow at 5000 and red at 5500.

Note: The 350 5.7L was available with the 5 speed manual transmission as RPO 1LE beginning late in 1986 and through the 1990 model year. Chevrolet has no record of just how many were made. They were essentially hidden from the public. They had the A/C delete, radio delete and no power options as well as the same options as the 1LE cars everyone knows about (no fog lights, baffled gas tank, larger brakes). The car could only be ordered and very few people new about it and therefore very few were made. The dealer actually had to contact the manufacturer to obtain instructions on how to order this car because it was not ordered using the normal ordering procedures. This ordering secrecy was the main reason that very few were made. The car was offered as a model that more closely resembled the cars raced under the IROC racing series. I personally have never seen one of these cars nor have I met anyone who owns one of these cars. This information comes from two published sources from my library of information on these cars. It is repeated here for your information. I would be very wary of someone claiming that they have a car that is a 1LE with a 5 speed. Anyone who does have one of these cars, knows what they have and has the documentation on it. If you don't see documentation, then it probably is not a 1LE 5 speed car. Read a published article on How to Order the 1LE IROC-Z "


this car doesnt have the fuel injection,
Old Mar 11, 2004 | 10:26 AM
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kevin 2.8's Avatar
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hmmm heres anothe page

1988 Model Year -

Total Production 27,811
IROC-Z Option Code Z28
Base Engine LO3 305 CID (5.0L) Throttle Body Injection (TBI) V-8
Optional Engine(s) LB9 Tuned Port Injection (TPI) 305 CID (5.0L) V-8
L98 Tuned Port Injection (TPI) 350 CID (5.7L) V-8

--------------------------------------------------------------------------------



Base model IROC-Z came with the LO3 305 TBI engine. No cabureted engines were offered in the IROC-Z starting in 1988.


i may buy it if its a real iroc


its got the black headlight inserts too...
Old Mar 11, 2004 | 12:07 PM
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kevin 2.8's Avatar
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not sure, could anyone clear this up?
Old Mar 11, 2004 | 01:41 PM
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I have an 88 Iroc-Z with a 5.0 tbi that came with the z28 whells and not the iroc wheels. i dont know what the wonder bar is but i can go look to see if it has one.
Old Mar 11, 2004 | 03:36 PM
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kevin 2.8's Avatar
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i think its a bar that fits inbetween the swaybar ?

swaybar
---wonderbar---

like that?
Old Mar 11, 2004 | 03:38 PM
  #7  
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would the vin tell me if it has the iroc package?
Old Mar 11, 2004 | 04:12 PM
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VIN wouldn't but the RPO codes would.

Not all IROC's have the frame stabilizer either.
Old Mar 11, 2004 | 06:21 PM
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I am pretty sure the RPO for IROC was/is Z28
Old Mar 12, 2004 | 01:45 AM
  #10  
kevin 2.8's Avatar
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what if the rpo labels arent there?

then how do i tell?



oh and hey dave how does that 305 tbi drive?
will it be faster than my 2.8v6?
Old Mar 12, 2004 | 06:29 AM
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from the picture it looks like an RS with a Z28 hood, but of course that doesn't tell you what it actually is.
Old Mar 12, 2004 | 09:34 AM
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1988-1990 IROC's were messed up. They could have a variety of options or lack there of. And there was no RS only base and IROC.

They could have 15" Z28 wheels or 16"x8" IROC's, TBI or TPI engines and could have any interior with an assortment of rear ends. A 88-90 clone would be easy to make due to these common parts.

Real IROCs can be picked out mainly by RPO codes but if they are gone check for dash emblem, larger sway bars not to mention stripes and stickers.

PS - RPO stickers were in the console or rear compartment.

Last edited by CODY BEHNKE; Mar 12, 2004 at 09:52 AM.
Old Mar 12, 2004 | 10:02 AM
  #13  
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If it`s real the body tag on the rad support will say IROC on it. Looking at that car I say it`s a fake. I haven`t seen a IROC with the Z28 grill. or the Z28 wheels I`ve seen them with 15" IROC wheels but never the Z28 wheels.

But for $1200 I`d buy it no matter what it is.
Old Mar 12, 2004 | 10:18 AM
  #14  
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Originally posted by kevin 2.8

oh and hey dave how does that 305 tbi drive?
will it be faster than my 2.8v6?
Barely faster man. You will be wanting to upgrade almost as soon as you have had it a week. Either buy a car for way cheep that you know you are gonna mod immediately or get one that already has a healthy motor. In the long run you will be happier.
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