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1990 Camaro RS 305 TBI Engine Swap

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Old Oct 2, 2019 | 02:17 PM
  #1  
MaRiRS's Avatar
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From: California
Car: 1990 Camaro RS
Engine: 5.7L V8
Transmission: Automatic
1990 Camaro RS 305 TBI Engine Swap

What up guys, I am 19 years old with a '90 Camaro RS 305, 700R4 Tranny, Looking to swap out this 305 with another engine because this 305 has 0 power. I have a budget of around $2,000. Any ideas?? I was thinking of a built 350, something that will bolt on easy to that transmission. Any other ideas around this budget ? Please let me know!!






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Old Oct 3, 2019 | 08:03 AM
  #2  
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Re: 1990 Camaro RS 305 TBI Engine Swap

Welcome to TGO. Although your budget is doable for a basic 350 swap (going carb, not keeping TBI that is), it isn't enough to upgrade the other areas of the car that need attention. As anemic as the 305 is, the stock exhaust, brakes and chassis are equally in need of an upgrade. I would spend your money on those bottlenecks first. You can also do those upgrades one at a time and still have a dirveable car whereas a cheap engine swap usually leaves you with a sputtering, stumbling mess that barely has more power than you began with. Those other mods have to happen to support an engine swap so you might as well get the foundation set now.
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Old Oct 5, 2019 | 02:25 AM
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Car: 1990 Camaro RS
Engine: 5.7L V8
Transmission: Automatic
Re: 1990 Camaro RS 305 TBI Engine Swap

thanks my man! I will upgrade those first.
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Old Oct 5, 2019 | 08:34 PM
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Car: 89 Firebird
Engine: 355 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt.Posi-3.73s
Re: 1990 Camaro RS 305 TBI Engine Swap

I have the same anemic engine soon to come out. What I have done over the years is make it much more enjoyable by a few things that will go right over well with a 350 swap. #1 S10 torque converter- gave me 2300-2400 stall. #2. 3.73+Posi rear- biggest seat of pants addition.#3. Shift kit- huge seat of pants difference.#4- 14psi tbI spring and custom chip.#5-Exhaust- go with a 3in system and headers and y-pipe if you can. I Don't run headers but probably will on my 350. At least some bigger TPI manifolds. Don't drop $ on the 305 but these things will help it and help with a 350 swap later. You may be happy with the 305 and these changes it definitely waked mine up. Gorgeous car BTW. Good luck with it and stay in touch. Wealth of knowledge on this site and you can find the parts you need.
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Old Oct 7, 2019 | 02:39 PM
  #5  
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Car: 1990 Camaro RS
Engine: 5.7L V8
Transmission: Automatic
Re: 1990 Camaro RS 305 TBI Engine Swap

Thanks I appreciate all your help, also should i get a upgraded radiator as well?
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Old Oct 7, 2019 | 02:41 PM
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From: South Ms
Car: 89 Firebird
Engine: 355 TBI
Transmission: 700R4
Axle/Gears: 10 Bolt.Posi-3.73s
Re: 1990 Camaro RS 305 TBI Engine Swap

Nope stock radiator is fine. I do suggest a double fan setup if your car doesn't have one though. IIRC RS cars have single fan?
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Old Oct 7, 2019 | 02:43 PM
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Car: 1990 Camaro RS
Engine: 5.7L V8
Transmission: Automatic
Re: 1990 Camaro RS 305 TBI Engine Swap

Yeah my car has a single fan. Its really big though. Im not sure if that means anything
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