Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

350 swap

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Old Oct 13, 2008 | 07:27 PM
  #1  
DMX69785's Avatar
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From: Grand Rapids, MI
Car: 1990 Firebird
Engine: 600 hp 353.4 CI
Transmission: TH-350/B&M3000
Axle/Gears: 10 bolt 3.23
350 swap

Well after a year and half of collecting parts and building my engine, I finally dropped it in this weekend. It was great to actually see it outside of the garage. Only a few more parts and it should be ready!



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Old Oct 15, 2008 | 03:12 AM
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From: Grand Rapids, MI
Car: 1990 Firebird
Engine: 600 hp 353.4 CI
Transmission: TH-350/B&M3000
Axle/Gears: 10 bolt 3.23
Re: 350 swap

Probably should have listed everything:

3970010 high nickel block .020 over
Forged bottom half:
-Ross Forged pistons; 13.5:1
-Eagle forged I-beams
-1182 Forged crank
Moroso 7qt pan w/ windage tray
Melling HV pump
World Heads
-Stage 3 race ported
-2.02/1.60 valves
-Solid roller springs
-Titanium retainers
-Comp Cams Stud girdle
-Harland Sharp 1.6 Rockers
Lunati flat tappet cam; custom grind
Victor Jr. Intake
Holley 750 DP
-78 fronts
-80 rears

Backed it up with a built up TH-350 and a 3k stall converter which seems a little too small for this.
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Old Oct 15, 2008 | 09:15 AM
  #3  
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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
With the Victor Jr., you should have at least 4000 RPM stall.

13:1? What are you planning on burning in this beast?
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Old Oct 15, 2008 | 11:51 AM
  #4  
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From: dfw tx
Car: 1984 camaro
Engine: 350
Transmission: th 350
Axle/Gears: 3:42
Re: 350 swap

I'll take a shot in the dark by saying he's gonna run race gas.
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Old Oct 15, 2008 | 03:05 PM
  #5  
DMX69785's Avatar
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From: Grand Rapids, MI
Car: 1990 Firebird
Engine: 600 hp 353.4 CI
Transmission: TH-350/B&M3000
Axle/Gears: 10 bolt 3.23
Re: 350 swap

I figured that stall was too small. I'll probably end up changing to a bigger stall over winter anyways. Yes, I'll be running 110 for now. Eventually I'd like to run E85.
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Old Oct 15, 2008 | 03:23 PM
  #6  
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
Originally Posted by DMX69785
Eventually I'd like to run E85.
The Quick Flow Technologies E85 750 CFM DP would be a good choice for that.
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Old Oct 15, 2008 | 03:26 PM
  #7  
DMX69785's Avatar
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From: Grand Rapids, MI
Car: 1990 Firebird
Engine: 600 hp 353.4 CI
Transmission: TH-350/B&M3000
Axle/Gears: 10 bolt 3.23
Re: 350 swap

That would have been my first choice, but I was also looking at the conversion kit they offer. That carb was a little out of my price range this year so hopefully next year I can.
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Old Oct 15, 2008 | 05:09 PM
  #8  
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
Originally Posted by DMX69785
... I was also looking at the conversion kit they offer. ...
You mean the metering blocks? I've got those, plus an alcohol base, plus Proform main body, plus 50cc accelerator pumps. Wish I would have just gotten the QFT E85 carb (but it wasn't available when I first started buying stuff).
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Old Oct 15, 2008 | 05:19 PM
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DMX69785's Avatar
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From: Grand Rapids, MI
Car: 1990 Firebird
Engine: 600 hp 353.4 CI
Transmission: TH-350/B&M3000
Axle/Gears: 10 bolt 3.23
Re: 350 swap

Yeah that's what most alcohol guys tell me. It's hell of a lot easier and quicker to just buy the carb. we'll see how things play out this year
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Old Oct 15, 2008 | 06:31 PM
  #10  
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
Not only do you get a calibrated, set-up piece, you get a better piece. I basically have everything that carb has except the float bowls - their float bowls have sight windows instead of sight plugs - but I'll be hanged if I'm going to go out and spend even more money to get sight windows!
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