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3500 (LX9) swap into a Fiero

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  • flimbob
    replied
    Already ordered before I read your post. What would you want for the broken one?
    Last edited by flimbob; 01-02-2026, 08:54 PM.

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  • SappySE107
    replied
    I sold the rest of what I had over the break but already have more on the way. I have one I took apart because the linkage is broken that might work for you. You would have to swap your current shaft, which shouldn't have any wear because it goes into roller bearings. That would be my guess for your issue anyway. If you want to try this one, I can give you a deal on it. Otherwise it will probably be a couple weeks before I have more cleaned up and ready to use.

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  • flimbob
    replied
    Looks like my throttle body shaft has play, causing TPS issues. Need to verify WOT-TECH store has a 65mm throttle body in stock.....

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  • flimbob
    replied
    No, went straight to getrag. The 4t60 ended up in another car.

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  • SappySE107
    replied
    Sweet it worked Did you have it tuned with the auto already?

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  • flimbob
    replied
    Thanks

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  • SappySE107
    replied
    Done. Login is your new email and I emailed the password to you.

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  • flimbob
    replied
    That would be great if you could. Either way I'm in.

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  • SappySE107
    replied
    I can change your OG account password and email for you (i think). 98 venture is an interesting starting point for sure. Id have used an 01 or so grand am if I had to use OBD2. One of those years of N body has the most variables available to tune. Anyway, you can tune that but being a manual, you might need a DHP type tuner to edit anything that might help for the IAC follower. Hopefully not.

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  • flimbob
    replied
    Well, I'm back, sorta. I was locked out of my account because my original email account was lost. Reregistered as flimbob56. My swap has transformed from LX9/4T60 into LX9/GETRAG. Computer/tune is now from a 98 venture(OBD2). Currently in the tuning stage now and still working the bugs out.....
    Attached Files

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  • flimbob
    replied
    Originally posted by ericjon262 View Post
    any updates for us?
    Trying to locate a nice clean pickup to use as a daily driver so I can finally finish my swap. At this point I haven't been able to work on the swap. It's been over a year(almost 2) since I paid for the ECM tuning from Ben. Guess I need to contact him regarding what it will take to finally get moving on it.

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  • ericjon262
    replied
    any updates for us?

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  • caffeine
    replied
    Originally posted by flimbob View Post
    I'm hoping 2012 will be the year I finally get my swap going. My swap is my dd and I can't afford alot of downtime caused by unknowns. Unfortunately there will be unknowns caused by various things. Had to do an emergency motor swap using a stock 2.8 because the original motor decided to give out after 200k miles. As it stands, I'm still waiting on:

    Exhaust design
    plumbing
    small amount of harness wiring
    Not sure if this helps, but for exhaust I'm getting a y-pipe made that utilizes a stock-style muffler and tail pipes, to simplify the setup and keep it inexpensive. For the intake side, I used the stock air cleaner canister with a 45* 3" coupler, 6" long section of 3" exhaust pipe, and a straight 3" coupler to to throttle body (lx5 65mm throttle body). The 45* coupler cost me about $20 and the exhaust pipe cost me $6. And the 3" straight coupler I already had. I was nervous at first about the wiring but it's pretty straight forward I just took my time and double-checked my work.

    Actually the only thing that held up firing up my swap was clogged fuel injectors. It always pays to have injectors tested in my experience.

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  • flimbob
    replied
    I'm hoping 2012 will be the year I finally get my swap going. My swap is my dd and I can't afford alot of downtime caused by unknowns. Unfortunately there will be unknowns caused by various things. Had to do an emergency motor swap using a stock 2.8 because the original motor decided to give out after 200k miles. As it stands, I'm still waiting on:

    Exhaust design
    plumbing
    small amount of harness wiring

    Leave a comment:


  • natebee
    replied
    Originally posted by flimbob View Post
    No change in mounting holes. The 85 mount needs just a little taken off to fit correctly.
    Wow, thats amazing they kept the same mount location after all these years!! Yay for us! Should be a fun swap then. Thanks bob. Can't wait to see your finished project

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