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  1. Thread: Old School EFi

    by dave w
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    14
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    61,503

    Using the correct valve spring$ on Vortec Heads...

    Using the correct valve spring$ on Vortec Heads when using high lift cam$haft$ is an important topic: https://www.hotrod.com/articles/vortec-valve-spring-upgrade/

    dave w
  2. Thread: Old School EFi

    by dave w
    Replies
    14
    Views
    61,503

    I think for a performance engine, 8 injectors for...

    I think for a performance engine, 8 injectors for a V8 engine is better than 2 injectors for a V8 engine. Very few of the TBI systems I've tuned has been to the Dyno, but the best Dyno results to...
  3. Thread: Old School EFi

    by dave w
    Replies
    14
    Views
    61,503

    Yes, If you are able to data log with TunerPro...

    Yes, If you are able to data log with TunerPro RT. Send me an IM for additional information.

    dave w
  4. Thread: Old School EFi

    by dave w
    Replies
    14
    Views
    61,503

    Attached below are screen shots that show tuning...

    Attached below are screen shots that show tuning using the computers BLM's and tuning with Wide Band O2 Sensor (WBO2) information.

    I recommend tuning with WBO2 for performance engines.:thumbsup:
    ...
  5. Thread: Old School EFi

    by dave w
    Replies
    14
    Views
    61,503

    Yes, I can do a mail order chips. Please send me...

    Yes, I can do a mail order chips. Please send me a Private Message for more details.

    Thanks,
    dave w
  6. Thread: Old School EFi

    by dave w
    Replies
    14
    Views
    61,503

    Old School EFi

    Old School EFi is located in Vancouver Washington.

    I custom program performance TBI / TPI chips for Chevy V6 & V8 engines 4.3, 5.0, 5.7, 7.4, 305, 350, 383, 400, & 454 1987 - 1995. I use my...
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