1985 350TPI Trans AM

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Aug 30, 2001 | 02:40 AM

vtravis

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Joined: Aug 2001

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From: Avondale, AZ USA

1985 350TPI Trans AM

I picked up a 1985 Trans AM (Mechum) with a 350 TPI/ 700R4. Is there anywhere I can get specs on the engine (horsepower, torque, etc)? I'll be using the power train for another project so I don't necessarily need the cars specs- just the engine info. Also, does anyone know what is different about a Mechum TA vs. a 'regular' one?

Aug 30, 2001 | 07:15 AM

85 T/A WS6

Supreme Member

Joined: May 2001

Posts: 1,705

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From: Washington

Car: Recaro Option T/A

Engine: 305 Tuned Port Injection

Transmission: Automatic

Axle/Gears: 3:27 Borg Warner

85 TA w/ 350's were not a factory option. It was swapped out at one time. I know there was a shortage of crate 305's around that time, some dealers used the 350's on warranty claims, of course big daddy GM would void the drivetrain warranty, the dealers usually stood behind the cars anyway.

Don

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58,000 miles
5.0 TPI
WS6 (.92g)
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Aug 30, 2001 | 07:15 AM

Jim85IROC

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From: Readsboro, VT

Car: 85 IROC-Z / 88 GTA

Engine: 403 LSx (Pending) / 355 Tuned Port

Transmission: T56 Magnum (Pending) / T5

Axle/Gears: 3.42 / ?

The car isn't stock (if it is actually a 350) so in terms of specs, your guess is as good as anybody's.

In 85, the only V8 available was a 305. 350s didn't show up until 87.

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Aug 30, 2001 | 02:52 PM

1991z281le

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The fact is, there were a number of engine, transmission, suspension, exterior and interior mods that were performed by the Mechams. This goes for the late '70s thru mid '80s Camaros, Firebirds and the few Corvettes that they modified. You might want to contact them at: http://www.mechamperformance.com/

Sep 17, 2001 | 03:55 AM

kizz

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From: Fletcher, NC, USA

Car: 1982 Recaro T/A

Engine: LU5 CFI 305 V8

Transmission: TH-200C

Axle/Gears: 3.23 F-body Fanatic: Yes

Quote:

<font face="Verdana, Arial" size="2">Originally posted by vtravis:
I picked up a 1985 Trans AM (Mechum) with a 350 TPI/ 700R4. Is there anywhere I can get specs on the engine (horsepower, torque, etc)? I'll be using the power train for another project so I don't necessarily need the cars specs- just the engine info. Also, does anyone know what is different about a Mechum TA vs. a 'regular' one?</font>

Mecham-modified T/A's are so vast and diverse even within a given year, and the info is not too easy to find, so I really don't know specific differences to tell you. try emailing Liz as I think she's a lot more into it than I am.

One thing I can tell you is I can confirm what others said about 350 not being an option in 1985, so I think your engine seems to be a swapped out one, nor was any Mecham-modified T/A available in 1985. Those stopped in 1984.
Hope this helps.

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1982 Recaro Trans Am LU5/WS6/Y84, 2971.6 original miles - http://ohok.com/82recaro
1985 basic Firebird, LB8/F41/GU6/DE1, '82 T/A wheels, CB, 131k - Get JPG picture here