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'97 Firebird Engine Conversion....

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  • #1

    '97 Firebird Engine Conversion....

    Is it possible to fit a 350 or 454 inside the engine compartment of a 97 firebird? These are carbuerated engines, not the typical fuel injected engines.

    Has one done such a transfer? Or have any ideas on it?

    Thanks

    Kc
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  • #2
    will it fit?

    well I know that a 350 will fit because that is what the LT1 motor is. Depending on how you set it up you might have to get a cowl hood because im not sure if a carb would fit under the stock hood. But as far as the 454 goes im not sure. you probably could but you might have to do some serious cutting on the body and you would have to do some suspension work due to the added weight and some frame reinforcement.

    99 T/A WS-6
    SLP strut tower brace, SLP sub-frame connectors, SLP intake, SLP Loudmouth exhaust, shift kit, SLP suspension system, SLP y-pipe
    2004 Mineral Gray Mustang Mach1 (stock, but ordering the SLP Loudmouth)
    88 IROC-Z, ZZ430 CRATE MOTOR, Flowmaster exhaust, MOSER 12-bolt with gears, and a few other mods.

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    • #3
      Not much of the body could be cut in my opinion as it is a cabforward design. A LS1/LT1 would fit, but would a carbed one fit aswell?

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      • #4
        What about the distributor?


        99 Silver Z28 A4, T tops, ZR-1 wheels (SOLD)

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        • #5
          You could cut a hole for it. It would stick up through the dash. Good point.
          2002 Electron Blue Vette, 1SC, FE3/Z51, G92 3.15 gears, 308.9 RWHP 321.7 RWTQ (before any mods), SLP headers, Z06 exhaust, MSD Ignition Wires, AC Delco Iridium Spark Plugs, 160 t-stat, lots of ECM tuning

          1995 Z28, many mods, SOLD

          A proud member of the "F-Body Dirty Dozen"

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          • #6
            Just rip it out, who needs a dash?
            96 WS6 Formula: Ram Air, 383 Stroker, Ported LT4 Heads and Manifold, 1.6 Crane Rollers, 58MM T.B., AS&M Headers, Borla Exhaust, Meziere Elec. H2O Pump, Canton Deep Sump Oil Pan, 100 HP OF TNT N2O!! , T56 Conversion w/ Pro 5.0 shifter, SPEC Stage 3 Clutch, Hotchkiss Subframe Conn., Lakewood Adj. Panhard Bar, Spohn Adj. LCA's, BMR Adj. T.A., Custom 12 bolt w/ 3:73's, Moser Axles, Eaton Posi, Moser Girdle
            11.6 @ 123mph (1.6 60' - getting there )

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            • #7
              Entirely possible to put a big block in a 4th Gen... John Moss has built several of them. But they are all fuel injected, and don't have to contend with the distributor. In all the 350 Gen 1 SBC installs I have seen, the distributor has been a problem, requiring cutting up the cowl and eliminating the windshield wipers - fine for a "track" car, but not too practical with a street car.

              This is a 1997 30th SS convertible, with a Dart Iron Eagle Gen 1 SBC in it, but it is fuel injected, and has cam and crank sensors feeding an aftermarket EFI computer to eliminate the problems with the distributor. Also makes you wonder why anyone needs a big block, the engine in the picture makes over 1,300HP in PRO/Edelbrock Extreme Street trim, and is capable of over 1,500HP when not required to meet those rules.

              Fred

              381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor

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