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

Iroc?

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Old 08-01-2003, 03:46 PM
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Iroc?

my camaro doesnt have any markins whatso ever..so i got on a site for my vin check and it came out an iroc/z28.......is it an iroc or a z? it says tbi 305 so it shouldnt be an iroc......help please?
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Old 08-01-2003, 03:51 PM
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Even with the 5.0 305 it's still an IROC.
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Old 08-01-2003, 03:55 PM
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the Z28 was droped to iroc and were made only from 1982-1990. The 91 and 92 were changed to Z28
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Old 08-01-2003, 05:43 PM
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Z28: 82-87 and 91-92
IROC-Z28: 85-90

The 305 TBI was the base IROC engine but wasn't all that common as most were 305 TPI's. If it's an IROC for real and an 85-87 it'll have RPO B4Z, if it's and 88-90 it'll have RPO Z28.
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Old 08-01-2003, 06:44 PM
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its an 88....says so on the tittle (which i have right in front of me) and it checks out on the vin search.....
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Old 08-01-2003, 06:54 PM
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advantages?

also i dont know what advantages i have over the other modle 88's....what would they be? also any detail,advice, and ANYTHING u guys think i should know would be greatly apreciated.....


peace out from ur fellow camaro enthusiest (sp)
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Old 08-01-2003, 07:39 PM
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The irocs had better suspension, wonder bar and could be had with TPI over the coupe in 1988
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Old 08-01-2003, 07:40 PM
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Advice: Look under the lid of your center console and copy down the 3-digit RPO codes. Then go to www.thirdgen.org and run every RPO on the list through their RPO decoder. That'll tell you EXACTLY what you have.



Then get subframe connectors.
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Old 08-01-2003, 08:09 PM
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thanx alot guys, great tips and advice...keep it comin!
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Old 08-01-2003, 08:41 PM
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Go to www.ThirdGen.org and read the Tech Data.
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Old 08-02-2003, 01:44 AM
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you may want to start modding that badboy. Although it's an IROC, it doesn't stand a chance in stock form against other IROC's equipped with TPI engines.
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Old 08-02-2003, 01:59 AM
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Originally posted by TheGreatJ
Advice: Look under the lid of your center console and copy down the 3-digit RPO codes. Then go to www.thirdgen.org and run every RPO on the list through their RPO decoder. That'll tell you EXACTLY what you have.



Then get subframe connectors.
Just to let everyone know, it's 130 am here...and when he said, 'then get subframe connectors.' it hit me hard, I was cryin on the floor laughin...I don't know why....
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Old 08-02-2003, 10:05 AM
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codes

ok..the major codes that i typed in varified my tbi 305, i have a 2.73 rear end and a thm 700r7 trans......
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Old 08-02-2003, 11:42 AM
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thm 700r4*
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Old 08-02-2003, 08:35 PM
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no more tips or advice? how hard would it be to swap rear ends?
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