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Planning for my GM 350 build for my 92 RS

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Old Sep 22, 2013 | 05:28 PM
  #1  
Jake_92RS's Avatar
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From: Omaha, NE
Car: 1992 Camaro RS, 2012 Camaro SS 45th
Engine: L03 305 TBI V8, Blown 6.2L LS3
Transmission: 700R4, TR6060
Axle/Gears: GM 7.6" 10 Bolt 2.73
Planning for my GM 350 build for my 92 RS

Hi, so I'm just starting college, and thanks to loans and various other methods of paying for it, I think I am going to be able to manage being able to build my very own 350 engine for my Camaro.

So, my Camaro I have right now is the 1992 Camaro RS with the 305 V8 and the TBI injection, the ECM module and the 700R4 transmission.

I want to build a 350 engine for it, but I want to be sure the 350 block will fit into my car, also I don't know how to swap from a TBI system with the ECM to a carbureted engine, without the ecm in the car I have been told that the torque converter wont lock up correctly and that my distributor won't work. I was hoping someone could give me some info on how to make this a successful swap. Also how much money on average do you think it will cost? Not using cheap parts either. Thanks a ton.

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Old Sep 22, 2013 | 10:07 PM
  #2  
NagleMac's Avatar
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From: Pennsylvania
Car: '91 Camaro RS
Engine: Carb'd 383
Transmission: Built T5
Axle/Gears: 3.73 Posi
Re: Planning for my GM 350 build for my 92 RS

For a performace engine, at least $5k. Buy a vacuum advance distributor and you'll need a fuel pressure regulator to run a carb. Look through the tech articles (you can get to them from the home page), youll find answers there
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Old Sep 23, 2013 | 05:01 PM
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five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Any 350 small block from 1969 to 1999 will fit. Just don't get a Gen II 350 (LT1). The most common source for a 350 block is light trucks. Sticking with '86-'95 is probably your best bet, although the '96-'99 "Vortec" 350 isn't a bad idea.
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Old Sep 24, 2013 | 08:13 PM
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RyanJB's Avatar
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From: Delaware
Car: 92 Firebird, 91 Trans Am
Engine: L31 with HSR, LB9
Transmission: 700R4, 700R4
Axle/Gears: '99 10 bolt 3.90, '01 10 bolt 3.42
Re: Planning for my GM 350 build for my 92 RS

My build ran about 6k, no corners cut, also switched to TPI and went full roller.
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Old Oct 1, 2013 | 03:45 PM
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Re: Planning for my GM 350 build for my 92 RS

Originally Posted by five7kid
Any 350 small block from 1969 to 1999 will fit. Just don't get a Gen II 350 (LT1). The most common source for a 350 block is light trucks. Sticking with '86-'95 is probably your best bet, although the '96-'99 "Vortec" 350 isn't a bad idea.
Hey so , im just curious as to what electrical harness we need to use
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Old Oct 1, 2013 | 05:31 PM
  #6  
DiabolicalRS's Avatar
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From: who knows
Car: '90 Camaro
Engine: 305 tbi
Transmission: T5
Axle/Gears: 9 bolt posi 373
Re: Planning for my GM 350 build for my 92 RS

Originally Posted by Drone358
Hey so , im just curious as to what electrical harness we need to use
he can use his old tbi harness
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Old Oct 1, 2013 | 08:58 PM
  #7  
vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Planning for my GM 350 build for my 92 RS

Originally Posted by Drone358
, im just curious as to what electrical harness we need to use
For what ?
If doing a carb swap as the OP is ,you are deleting wires from the stock TBI harness

FWIW,
Other than gauge wiring ( not needed to make the engine run )
a carb engine only needs a wire to the starter , the coil , and the fuel pump if elec
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Old Oct 2, 2013 | 09:26 AM
  #8  
bestracing's Avatar
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From: N. Ky
Car: 86 T/A - 70 Z28/RS
Engine: Broke - 350
Transmission: 700R4 - M22
Axle/Gears: G80, 2.73 - ZQ9 G80 4.10
Re: Planning for my GM 350 build for my 92 RS

Originally Posted by five7kid
Sticking with '86-'95 is probably your best bet, although the '96-'99 "Vortec" 350 isn't a bad idea.
Yea that would be a good choice. No need for mechanical pump block off plate, and they have the better Vortec heads.
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