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  1. #1

    Default TBI 350 to a TBI 454 K1500

    Thinking of just going ahead and throwing a 454 in Betty. I found one here recently at a pick N pull *truck was totaled in the front end and rolled, generally means it was running when it was wrecked lol* For $350 complete you can't beat that. I know I'm going to have to play with bigger shocks and probably torsion bars off a K2500 to support the extra weight *the K1500 Tbars are already maxed pretty much compensating for the front bumper* It's got a 5 speed, but it ain't no heavy duty thing. On a good note, the rear end isn't a stock 10bolt rear end so I'm not worried about tearing that out with to much torque. Radiator of course will have to be bigger. The computer for the 454 *which will come from the totaled truck* I know they use the same computer as a 350 but it has a different chip that runs it. Will a 350 clutch and pressure plate fit? I got a brand new entire clutch *another pick n pull jewel that was still in the box it was bought with alignment tool, throw out bearing, bushin, disc and clutch for $30* and I was hoping to use it. What all would it need *aside from the obvious that any chevy shade treer would know* Thanks
    94 Chevrolet K1500 4x4. 5.7L 350, 5-speed (AKA Betty) Or Rust Bucket...depends on if I'm mad at her.

  2. #2
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    Enkeiavalanche's Avatar
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    Keep us Updated with Pics...
    08 Z71 Avalanche Mods to date: K&N CAI,Hellwig Swaybars and End Links, Corsa Sport Exhaust, Superchips Programer,IPCW LOF & 3rd brake light and tails, AMI Gas door,Show Hooks and Door locks, Enkei Wheels, with Pirelli tires, StreetScene Bowties, Grant Steering wheel,Muth signal mirrors,SSBC Big Brake kit,Huskyliner Mug gards,Floor mats and Hood shield, McGard Lug nuts and locks, Bedrug, Cervini's Ram Air hood,35watt HID Fog lights, Sylvania bulbs all around ZXE's Highs and Lows, WhiteNight Back up lights,Sirius and HD Radio, SnugTop sitting on deck now Got a Softopper on now,Tempress Boat Hatches.... New Bilstein shocks are on... New Mods coming soon..... X

  3. #3

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    Alright, I'm gonna go check on the motor tomorrow. The truck is in dire need of a bed and front fenders. :/ I can't afford it at the moment, but I'm gonna go ahead and pull a list up on everything and see what it'll cost to do all this. Luckily I won't have to buy the computer for the 454 T_T I'll just pull the intake on it first, throw the computer under it, button it back up and pull it out. $180 my @*$ >_>

  4. #4

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    Well stopped by and took a in depth look at the motor and what it'd take to get it out. Sad to say I'm going to have to cut parts of the grill and fenders out. Was hit in the driver side front end enough to shove the Rad all the way into the fan, busted the steer rod because both front tires are turned opposite ways. Most the bolts for the fender that's got the rad crammed into the fan are all covered under crumpled metal. Looks like a job for a torch or grinder with a couple cutting blades. Other than that I couldn't find no damage to the motor anywhere. I got em down to $500 for the engine, entire exhaust system, and clutch assembly. Seems like a decent enough price. Kills two birds with one stone seeing as I was needing to redo the entire exhaust on my truck to pass inspection *been out since 06 XD*

  5. #5
    Jr. Mechanic
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    no luck with 350 backfiring?

  6. #6

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    Quote Originally Posted by geo1 View Post
    no luck with 350 backfiring?
    Not a single bit. Just for giggles I replaced the distributor, plugs and plug wires all again and no luck. I even went with a different TBI just to try anything. I'm done spending money on a engine that no one can figure out. Dumped way to much into it already.

  7. #7

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    Sounds to me like it might have jumped time a bit.
    ...
    ....

  8. #8
    Jr. Mechanic
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    Chris,in silverado forum is his first thread,read thru that,got strange circumstances

  9. #9

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    Quote Originally Posted by Chris Miller View Post
    Sounds to me like it might have jumped time a bit.
    Yeah lol might want to read that one first lol. The list of things tried is very extensive. I've pulled the timing quite a few times with other things I've tried. Everyone that looks at it says timing first, but each and everyone says it's right after they look at it.

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