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Thread: hi from phoenix!!!!

  1. #1
    Electronic Ignition!
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    hi from phoenix!!!!

    hey guys newbie here from phoenix, i have a 1988 35th anniversary edition c4 corvette. i here to improve and learn the process of tuning my own vehicle. most mechanic shops around here wont work on them. I'm good with the wrenching part of things, ive been whenchng for years but now its time to learn how to tune as well. the one skill that can make or brake you, so im hoping with some guidance ill be able to do just about anything with cars. i do plan on building the engine, probably more on the race side. callies crank, scat rods, diamond pistons, cleveite bearing and oh ya my spelling is horrible so be easy. any way pleasure to meet you all and thank you for allowing me to be a member. if your in the phoenix area please say hi, im just moving back from the east coast and getting back into the car seen. car guys are always the best friends. thanks again and pleasure to meet yawl oh ya and if you know a good machine shop in the area i could use some recommendations. I also a medically retired pipe welder have welded on pipe in most every powerhouse's days in the country, and refineries to but refineries are dirty places. So if you need a roll cage welded or something fabricated im your guy!!!
    Last edited by 8835th; 05-25-2023 at 07:43 AM.

  2. #2
    Carb and Points!
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    Hey brother,

    Welcome! I'm new here too.. but I wanted to pass along some info.

    I went to these guys to rebuild my 350 short block. They did an awesome job.

    If the South Scottsdale area is convenient for you (Thomas & Scottsdale Rd.) then I recommend checking them out.

    Automotive Machine of Scottsdale
    (480) 945-0934

    The east valley is where I grew up, but I've had enough of 120 degree summers. I live a couple hours north of there now. (and 6000' higher)

  3. #3
    Electronic Ignition!
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    Quote Originally Posted by Teek View Post
    Hey brother,

    Welcome! I'm new here too.. but I wanted to pass along some info.

    I went to these guys to rebuild my 350 short block. They did an awesome job.

    If the South Scottsdale area is convenient for you (Thomas & Scottsdale Rd.) then I recommend checking them out.

    Automotive Machine of Scottsdale
    (480) 945-0934

    The east valley is where I grew up, but I've had enough of 120 degree summers. I live a couple hours north of there now. (and 6000' higher)
    Thank you I appreciate the feedback! I just need the general black prep stuff checking squareness, line hone, Cam bearing install, stuff like that. I built a few motors before but this one I'm going all out. Parts are around 10k alone. Shops want 3x that in labor to put it together. I have all the tools so building it myself it just makes sense.

    We're up north did you move my parents are looking to move up north because they can't stand the heat anymore like you!
    Last edited by 8835th; 05-25-2023 at 07:46 AM.

  4. #4
    Carb and Points!
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    Flagstaff area. It's expensive to live up here though.

    Yeah, I would like to do a complete build myself... but after learning what I did this first time, I will not be doing this again until I have a full garage setup with a lift. Good Lord this is a LOT of work.

  5. #5
    Electronic Ignition!
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    Ya I just wish I could understand the turning terms. Other more advanced computers let you set lambda or a air fuel ratio and use the O2 sensor to help you self tune it which is probably what I'm going to end up doing is getting a better computer because tuning these old computers is a really good learning curve.

  6. #6
    LT1 specialist steveo's Avatar
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    i agree on ditching the old computer if you're building a real engine for this car, but 'self tuning' is only going to help you in cruising range. if you want to make real power you'll be doing the spark and fuel by hand.

  7. #7
    Electronic Ignition!
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    Ya I just don't understand all the tables and there's not a place I found that tells me what what does

  8. #8
    LT1 specialist steveo's Avatar
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    the tables in older ECMs are no more complicated than newer ECMs (hell they are usually even less complicated), what is it that you don't understand? you're running a 7165 with $32B mask, right? i've tuned one of those, it was about as simple as it gets.

  9. #9
    Electronic Ignition!
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    1227165 $6something

  10. #10
    Electronic Ignition!
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    I guess I just don't understand why I can't just change afr like changing lands and then data logging to smith out everything. The biggest problem is that all the links for tuning and learning don't work anymore. So I have no explanation for what I'm looking at means.

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  12. #12
    Fuel Injected! ralmo94's Avatar
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    Quote Originally Posted by 8835th View Post
    Ya I just wish I could understand the turning terms.
    Maybe this would help
    http://www.gearhead-efi.com/gm-ecm-p...ictionary.html
    No need to re-invent the wheel. But we can make it better

  13. #13
    Electronic Ignition!
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    Definitely make it better my friend, but thank you very much for that link that's definitely helpful in some of the tuning definitions that was exactly what I was looking for actually thank you again!!!
    Last edited by 8835th; 04-17-2023 at 10:52 PM.

  14. #14
    Electronic Ignition!
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    I just downloaded one from the net. I having a hard time understanding what everything means or how they work together. I'm not great with computers and I wish I had someone to explain just a few things

  15. #15
    Fuel Injected! MO LS Noobie's Avatar
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    PM me and I'll help as much as I can. A little help in the beginning saves a lot of frustration. Not much experience with the earlier PCMs, mostly Gen2 LS in my personal rig. But a lot of the general stuff applies across the board. There are some people here who are very experienced and can help with individual issues with that particular PCM.

    Happy tuning, Jeff

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