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"Later 86/ Early 87" 305 TPI 5 speed Trans Am

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Old 02-27-2017, 05:45 AM
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Car: 1987 Trans AM WS6
Engine: 305 TPI
Transmission: TH700R4 Stock
Axle/Gears: 3.08 LSD
"Later 86/ Early 87" 305 TPI 5 speed Trans Am

Hello guys
I got an early 87 model 305 5 speed Trans Am (sadly now a 700r4) with 3.08 rear end.
The previous owner swapped an 89 block and an 87 700r4 "early 87 without the rainbow").
My car was built in 1986 but I read that no LB9 86 5 speed car were produced.
My car is a bright red/ silver model with black spoiler and red chicken badge on the rear tail lights. She got T-tops
I don't know what cam is in the car but i guess they put the L98 cam that was in the first block in the 89 one.
The car was sold in Europe and registered in FEB 87 but is an USA import model. The 3rd stop is located in the spoiler.
What do you think about it? Is it a rare car?
How do I know if I got the L98 cam?
Thank you in advance
Old 02-27-2017, 11:57 AM
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Car: 1989 Trans Am GTA
Engine: 5.7L 350 TPI (Deleted Cats)
Transmission: 700r4
Axle/Gears: Original 3.27
Re: "Later 86/ Early 87" 305 TPI 5 speed Trans Am

As far as i know there is no way to tell the L98 cam unless you take it out. Have you tried looking up the casting numbers on the block?
Old 02-27-2017, 09:02 PM
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Join Date: May 2010
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Car: 1987 Trans AM WS6
Engine: 305 TPI
Transmission: TH700R4 Stock
Axle/Gears: 3.08 LSD
Re: "Later 86/ Early 87" 305 TPI 5 speed Trans Am

The block suffix is ATF
The heads are 081
Old 02-28-2017, 11:29 AM
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Join Date: Mar 2016
Location: Jackson, New Jersey
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Car: 1989 Trans Am GTA
Engine: 5.7L 350 TPI (Deleted Cats)
Transmission: 700r4
Axle/Gears: Original 3.27
Re: "Later 86/ Early 87" 305 TPI 5 speed Trans Am

Well it is a 305.. but to find out the cam i would assume it needs to be removed.




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