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Is this engine TPI or not??? - photo -

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Old Apr 15, 2006 | 11:43 AM
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From: Over seas fighting...
Car: 1988 IROC-Z
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: Stockers, 2.73 (?)
Is this engine TPI or not??? - photo -


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Its a pic of a 1991 camaro RS. I think that things look a carb on top, which wouldn't be TPI? Any help...

Last edited by forklift; Apr 15, 2006 at 11:45 AM. Reason: Automerged Doublepost
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Old Apr 15, 2006 | 11:46 AM
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Car: 2009 Pontiac G8 GXP
Engine: LS3
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Is this a joke?

Of course it is not TPI....it is TBI or carb.

Of course, a would turn up TPI pics too.
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Old Apr 15, 2006 | 11:48 AM
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From: Over seas fighting...
Car: 1988 IROC-Z
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: Stockers, 2.73 (?)
thanks...
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I'm thinging of buying this car and the guy tells me it TPI I think he means TBI. I really dont know too much about these engines and think looking for a TPI engine would be the better choice. Any comments on that...

Last edited by forklift; Apr 15, 2006 at 11:53 AM. Reason: Automerged Doublepost
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Old Apr 15, 2006 | 12:12 PM
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It's TBI. A carbed engine would not have that AIR management valve, and would not have been available in 1991. It does have a newer water pump, though.

BTW - It's also a 305, not a 350. If the rest of the car is in good condition, and the price is right, don't let the TBI scare you away.
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Old Apr 15, 2006 | 12:19 PM
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forklift's Avatar
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From: Over seas fighting...
Car: 1988 IROC-Z
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: Stockers, 2.73 (?)
Thanks Vader! Yeah I am leary about that TBI. My brother had a 350 TPI that I drove a few times back in highschool that was really quick. I know nothing about these TBI exept they were rated a little lower on horsepower then the TPI's. The rest of the car looks clean. Heres a link. What do you guys think?

-thanks for your inputs...

AutoTrader.com - Cars For Sale: Car Details
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Old Apr 15, 2006 | 12:29 PM
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From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
haha it has a TURBO CHIP and they are asking over $5 grand for a 1991 RS? granted it has good mileage i wouldnt go that high...
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Old Apr 15, 2006 | 01:12 PM
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From: Back in the states...
Car: Silver 1980 Corvette (L82 w/TPI)
Engine: L82
Transmission: TH350
Originally Posted by CamarosRUS
haha it has a TURBO CHIP and they are asking over $5 grand for a 1991 RS? granted it has good mileage i wouldnt go that high...
I think the price is so high because he is selling the girl and the dog with the car. Sounds like a deal- Forklift better move fast!

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Old Apr 15, 2006 | 01:48 PM
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From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt


leave the girl ill take the dog...women talk.
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Old Apr 15, 2006 | 10:50 PM
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You guys are vicious!
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Old Apr 15, 2006 | 11:26 PM
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From: Southern IL
Car: 88 GTA "Cocaine"
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: 3.27
I can not believe that this is still going strong
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Old Apr 16, 2006 | 02:26 AM
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forklift's Avatar
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From: Over seas fighting...
Car: 1988 IROC-Z
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: Stockers, 2.73 (?)
Yeah thanks for the info fella's. Hey 5g's sounds aweful high. I guess I'll keep searching...
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Old Apr 16, 2006 | 10:37 PM
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From: San Diego
Car: 1994 Trans Am
Engine: LT1
Transmission: Auto
Axle/Gears: 3.23
I paid $5200 for my '89 5spd Firebird w/ aero package. It had 55k miles back in 1997 when I bought it. That camaro looks worth the $5k. Now if it were a Z28/Iroc even better. But finding a good condition 3rd gen is getting more and more rare by the day it seems.

Go for it.
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Old Apr 17, 2006 | 01:58 AM
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From: Over seas fighting...
Car: 1988 IROC-Z
Engine: 305 TBI
Transmission: 700R4
Axle/Gears: Stockers, 2.73 (?)
Originally Posted by BigWhiteGTP
I paid $5200 for my '89 5spd Firebird w/ aero package. It had 55k miles back in 1997 when I bought it. That camaro looks worth the $5k. Now if it were a Z28/Iroc even better. But finding a good condition 3rd gen is getting more and more rare by the day it seems.

Go for it.
I found this Z28 that I like better. Its a 305 TPI. Higher miles but costs less too. What do think? I'm going this weekend to look at it. I'll be bringing cash with me and if its as solid as it looks all have my first third gen!! I'll keep you guys posted...

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Old Apr 17, 2006 | 11:57 AM
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What? No dog?

That side looks clean. If the rest of the car is in decent condition, it might be worth an offer. Of course, you'll have to adjust due to what you see/find, like the apparent rust spot on the door.
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Old Apr 17, 2006 | 12:09 PM
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Originally Posted by CamarosRUS
leave the girl ill take the dog...women talk.
Amen to that Brother!!!
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Old Apr 17, 2006 | 01:03 PM
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From: San Diego
Car: 1994 Trans Am
Engine: LT1
Transmission: Auto
Axle/Gears: 3.23
If the RS is in better condition, I'd go with the RS. You can swap in TPI stuff later and still have a good condition car. With the Z28, like Vader said, has exterior problems and it has higher miles and obviously isn't taken care of.

It's your decision. But I think that RS was nice.
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Old Apr 17, 2006 | 01:22 PM
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
I pay hte man for the better car. Nothing like haveing a good base to start with
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Old Apr 17, 2006 | 01:24 PM
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From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
i was in this same boat...i bought my first 1992 RS and it was in excellent condition with a fresh paint job (the only thing it needed; and valve guide seals). it got totaled so i then drove 3 hours one way to check out this 1991 305TPI z28 5 speed which was CRAP compared to what the person described it as. well i bought it for $2900 (they were asking $4000) and am very happy i got the z, much quicker than the TBI but i had to sacrifice the rust which will be taken care of one day...
but me having the Z made it extremly easy and much cheaper to drop in my 383 Stealthram.
the moral? $5 large is too much for both of those, make sure to look in the fenderwells behind the tires for rust and look along the floorpans underneath the car for heavy rust. if there is anything BAD id pass them both up. the TBI looks good but it could just have fresh paint, you never know whats underneath...

like mentioned...original good condition thirdgens are extremly rare nowadays and having a good base counts for a lot. the TBI car would be a good Carb motor swap canididate for sure but just make sure whatever you get iuts what YOU want

Last edited by CamarosRUS; Apr 17, 2006 at 01:27 PM.
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Old Apr 17, 2006 | 01:35 PM
  #19  
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From: Florida
Car: 1987 Black IROC-Z (SOLD)
Info on what a TPI looks like.

Last edited by DJP87Z28; Aug 23, 2006 at 02:08 PM.
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Old Apr 17, 2006 | 01:45 PM
  #20  
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Car: 89' Iroc-Z G92
Engine: TPI 305 G92
Transmission: T-5
Axle/Gears: Limited 9 bolt, 3.45
Stock TPI pics, the alternator pulley should be painted black.





Also, you want everything in this picture! lol. Check for the rubber plug on the differential if not its a ten bolt and rear disc brakes.

1989Irockid photo album - Photobucket.com

The Picture posted by DP is from the pre 1988 models, the ones I posted are post 1988, though on the 1990-1992 models it will have a S/D instead of a maf.. S/D is more fincky.
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