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Author Topic: 1991 Trans AM 5.7L w/ t-tops? Can this be right?  (Read 606 times)

dans78ta

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1991 Trans AM 5.7L w/ t-tops? Can this be right?
« on: March 26, 2009, 08:50:24 PM »
I'm a 2nd generation enthusiast, but my dad likes the 3rd gens..  He found a 1991 TA looking to buy, but I pointed out something odd...  It's a t-top trans am with a 5.7L?  Now that's strange because I thought you couldn't get the 5.7L with t-tops..  We have confirmed the original matching motor but question the t-tops...  Does anyone know how I may do some research on this.  Thanks guys....
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My Current Birds:
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-1978 Firebird Formula W50(Matching# all original)
-1991 WS6 L98-Trans Am(Matching# all original)
-2002 WS6 LS1-6Spd-Trans Am(Matching# all original)

ryeguy2006a

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #1 on: March 26, 2009, 09:10:08 PM »
I'm pretty sure that the 3rd gens came with 5.7 and t-tops. I know it was not an option for the 5 speed 5.7 tpi.

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BlkBird

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #2 on: March 26, 2009, 09:16:09 PM »
Correct.
1971 Firebird

Milly

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #3 on: March 26, 2009, 09:23:03 PM »
Yes, you could get t-tops on a 3rd gen T/A with the 350(5.7L).

The 350(5.7L) was only available with the automatic transmission from the factory (the 5 speed would not hold up to the torque very long).
John
1981 Trans Am (sold)
1996 Firebird (sold)
2001 Aztek AWD
2004 GTO

dans78ta

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #4 on: March 26, 2009, 09:29:45 PM »
that year?  1991 was different year and I read somewhere on wykipedia that 1989 was last year for 5.7 with t-tops.  So confusing...
_____________________________
My Current Birds:
-1978 Firebird Trans Am(Matching# all original)
-1978 Firebird Formula W50(Matching# all original)
-1991 WS6 L98-Trans Am(Matching# all original)
-2002 WS6 LS1-6Spd-Trans Am(Matching# all original)

phishfud

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #5 on: March 26, 2009, 09:39:12 PM »
89 was the first year for that combo, and it continued after that.
78 TA, 400 4spd
72 Chevelle, 454, 4spd(project)
68 GTO (major project)
72 Demon(not bad project)
72 Dart (under construction project)
69 Roadrunner(yet another project)
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Milly

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #6 on: March 26, 2009, 09:56:48 PM »
Ok, I looked over the Standard Catalog of Firebird 1967-2002. What I found was kind of odd. Of the years that the 350 (5.7L) was available, only 1990 and 1991 are listed t-tops not available with the 350 engine. '87-'89 and '92 don't seem to have any limitations on t-tops and the engine package. Look for RPO code CC1 (t-tops) on RPO sticker/sheet. If it has that RPO, then they were installed at the factory.  They may have silently allowed the option on special order cars and not changed the literature. Of course, the t-tops could have been dealer installed or added in the aftermarket.

Remember that just because a book or Pontiac source says something can't be doesn't make it so. As an example look at the '79 SE Trans Ams. Supposedly all the '79 SE cars came with t-tops. We have found at least 3 documented '79 SE hardtops so far. So much for the paperwork trail. Do your research, you may have found an odd duck.
John
1981 Trans Am (sold)
1996 Firebird (sold)
2001 Aztek AWD
2004 GTO

dans78ta

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #7 on: March 26, 2009, 10:01:28 PM »
Wow! thanks for the information... this is what I thought too, but wasn't sure on the RPO code.  I'll check on it now.  thanks so much!!!
_____________________________
My Current Birds:
-1978 Firebird Trans Am(Matching# all original)
-1978 Firebird Formula W50(Matching# all original)
-1991 WS6 L98-Trans Am(Matching# all original)
-2002 WS6 LS1-6Spd-Trans Am(Matching# all original)

collects t/a's

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #8 on: March 26, 2009, 10:07:35 PM »
Don't forget to post pics. I love all the transams.  :-D
Bryan, .... a.k.a. Ricky Ricardo, .... you know, .... I love Lucy!!

thethirstymoose

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #9 on: March 26, 2009, 10:42:17 PM »
I have seen on youtube.com people adding t tops to the 3rd gens. I think the frame was there for it. A person had to cut the first layer of stell off, and the t top frame was already there, you tube trans am t top and you should find the video there

Nanook

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #10 on: March 26, 2009, 11:05:45 PM »
that year?  1991 was different year and I read somewhere on wykipedia that 1989 was last year for 5.7 with t-tops.  So confusing...

Don't use Wikipedia for any real fact information.  They have bits and pieces on a lot of things but I would never make them my first stop in a fact-finding mission.

And yes, this was an option on the B2L cars.  Factory info is a bit spotty and contradictory on this (as you can see from the answers in this thread). 

Later,

Lee
1986 Trans Am; WS6 LG4/700R4 factory Recaro seats, code 41/60 paint, one of one built.
1976 Trans Am; Sterling Silver, 400...my dream!
1993 Ford Bronco XLT; 302/5-speed. The orphan in a GM family...was my mom's ride.

needaT/A

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #11 on: March 27, 2009, 07:38:53 AM »
Pontiac yes, but no 91-92 Z-28 with 350 and T-tops. So I built my Heritage Z-28 with a 350 TPI and T56 and T-tops. I was thirdgen fan, but it's now gonna be for sale to finance my 455 build.

ta collector

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #12 on: March 27, 2009, 05:22:54 PM »
i have seen some early 87 with 350 and T-Tops,but everything i have read has said,after mid 87 though 88 no t-tops were availble with a 350 till 89,but 90-92 again T-Tops were not availble with T-Tops and a 350.

My 91 GTA is a 305 TPI with T-tops,and the 350 was standard in a GTA in 91 if you wanted T-Tops then you had to get a 305.
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TheJoeVA

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #13 on: March 30, 2009, 01:37:02 AM »
late 91's started coming with the 350 and T-tops
they found a way to make the structure more ridgid at the factory in late 91 and started putting t-tops on the 350 cars and made it an option in 92
i was faollowing these cars ALOT back then
i test drove an early 92 formula with the 350 and t-tops
i believe they also allowed some 350 t-top cars back in 88 or 89 but only for a whort while
===============
Joe - Va Beach
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1979 Tenth Anniv Trans Am - Y89, W72, WS6
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Aaron91RS

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #14 on: April 01, 2009, 12:50:38 PM »
If it has the black crosslace wheels it's almost certainly a factory 350/ttop car. Although I'd guess it's a formula not a GTA.
Post up some pics and I can tell you.
If it's a GTA it could be a conversion at the time.
Again pics will tell.

All kinds of late 80's 350/ttop cars.

80-Y84 WS6 SE LS1/4L80e
82 C3 LS1/4l60e
91RS-LS1/T56

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #14 on: April 01, 2009, 12:50:38 PM »


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Nanook

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #15 on: April 01, 2009, 03:36:56 PM »
The cross-lace rims will not dictate if the car in question came with the B2L motor.  And, if it's a Formula those only came with the 16" Formula rims.  Any Formula with cross-lace wheels had them put on by the owner at some point,.  It's possible a dealer swap could have been done but I would want to see paperwork on such a car.  Also keep in mind that gold cross-lace rims only came on the GTA (and Trans Am convertible).  Black or argent were TA colors only (as were the rare red rim and white rim options for '87). 

'87 thru '89 are generally the accepted years that the B2L and t-tops were available together.  I've read too much conflicting stuff on the '90 model year (but that was an abbreviated model year) and '91 and '92 they were available.  GM used new stiffners/adhesives for the F-Body in '91 and '92 that was to improve structural rigidity.  Also, it's uncommon to find GTAs with T-tops when compared to IROC-Zs of the same model years.  GTAs were marketed to an entirely different group of buyers and GM, early on in the GTA production life, did not push t-tops on that model. 

Later,

Lee
1986 Trans Am; WS6 LG4/700R4 factory Recaro seats, code 41/60 paint, one of one built.
1976 Trans Am; Sterling Silver, 400...my dream!
1993 Ford Bronco XLT; 302/5-speed. The orphan in a GM family...was my mom's ride.

Aaron91RS

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #16 on: April 01, 2009, 04:38:05 PM »
The ONLY way to get a 350/ttops in 91/92 was if it came with the cross-lace wheels period.


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Nanook

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Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #17 on: April 01, 2009, 05:27:45 PM »
Can you point out your references on this?  Just very curious (mainly regarding Formula production w/B2L).  Thank you.

Later,

Lee

P.S.  Not trying to be a jerk here at all so please don't take it that way.  :-)
1986 Trans Am; WS6 LG4/700R4 factory Recaro seats, code 41/60 paint, one of one built.
1976 Trans Am; Sterling Silver, 400...my dream!
1993 Ford Bronco XLT; 302/5-speed. The orphan in a GM family...was my mom's ride.

Re: 1991 Trans AM 5.7L w/ t-tops? Can this be right?
« Reply #17 on: April 01, 2009, 05:27:45 PM »
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