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How fast would a GTA350 with a new cam and carb intake be on a 84 TA??

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Old Oct 29, 2001 | 11:23 PM
  #1  
MattW's Avatar
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From: Greenwood, Indiana
Car: 1984 Trans Am
Engine: Vortec 355
Transmission: TH-700R4
Axle/Gears: GM Axles and GM 3.73
How fast would a GTA350 with a new cam and carb intake be on a 84 TA??

i might b able to get my hands on a GTA 350 for a good price and i was wondering if you guys would know how fast it would b if i put a better cam in it and swapped it from tpi to probably a edelbrock performer intake a edelbrock 650 carb

anybody do anything close to this?

------------------
84TA T-tops L-69 305HO TH-700R4 stock 190hp and 240 ft-lbs.
new best E.T. (dont laugh) 15.986 @84.93mph
old best E.T 15.997@86.04
http://www.geocities.com/K_towngangsta

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K&N Air filter
Hooker Cat-Back
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Old Oct 29, 2001 | 11:35 PM
  #2  
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From: New Britain, CT, U.S.A
Car: '87 IROC
Engine: LT1 350
Transmission: 700-R4
You should be able to get into the mid 14s with a L98. The L98 has terrible flowing heads, so you really couldn't go with a much more aggressive cam, unless you work the heads some. You'll also need a new manifold for the carb. Other than that, the motor is a good 40-50 HP up from your L69.
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Old Oct 30, 2001 | 09:01 PM
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From: Greenwood, Indiana
Car: 1984 Trans Am
Engine: Vortec 355
Transmission: TH-700R4
Axle/Gears: GM Axles and GM 3.73
mid 14's thats it!!!

man i thought i saw formula's runnin high 13's on pretty much the same motor

or is there a diff?
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Old Oct 30, 2001 | 09:26 PM
  #4  
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From: New Britain, CT, U.S.A
Car: '87 IROC
Engine: LT1 350
Transmission: 700-R4
What rear end ratio do you have? You may be able to see high 13's with excellent traction and 3.73 gears. I've never seen a stock L98 go faster than a 14.5.
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Old Oct 31, 2001 | 10:40 PM
  #5  
MattW's Avatar
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From: Greenwood, Indiana
Car: 1984 Trans Am
Engine: Vortec 355
Transmission: TH-700R4
Axle/Gears: GM Axles and GM 3.73
well i wasnt really talking about a stock one

i was gonna put in a hi-po cam and intake and carb

and i have a single peel 3.73 rear

but im prolly gonna change to a 3.42 posi soon after i get whichever 350 i get

------------------
84TA T-tops L-69 305HO TH-700R4 stock 190hp and 240 ft-lbs.
new best E.T. (dont laugh) 15.986 @84.93mph
old best E.T 15.997@86.04
http://www.geocities.com/K_towngangsta

Mods-

K&N Air filter
Hooker Cat-Back
Reply
Old Nov 1, 2001 | 08:44 PM
  #6  
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Joined: Oct 1999
Posts: 566
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From: New Britain, CT, U.S.A
Car: '87 IROC
Engine: LT1 350
Transmission: 700-R4
As long as you do some head work along with that cam, you might squeeze mid 13's out of it.
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