Recent Content by Bob sherry

  1. Bob sherry
    Thread

    Spark plug heat range

    What heat range spark plugs in NGK are people using in a blown hemi Keith black with Veney heads these days? With methanol and a 16/71.
    Thread by: Bob sherry, Oct 10, 2025, 0 replies, in forum: PSI Superchargers Tech Questions
  2. Bob sherry
    Thread

    Ignition timing starting point.

    Gday guys, I have a 512 kb with Veney nitro heads and dome pistons giving me 11:1 compression. A single 20 amp pro mag and a 16/71 hi helix retro...
    Thread by: Bob sherry, Dec 29, 2024, 0 replies, in forum: PSI Superchargers Tech Questions
  3. Bob sherry
    Post

    Blower over drive

    Seen the video very information, the gains are quite minimal, it’s stiits worth trying with alcohol the gains could be better.
    Post by: Bob sherry, Feb 24, 2023 in forum: PSI Superchargers Tech Questions
  4. Bob sherry
    Post

    Blower over drive

    Thanks I’ll look it up tonight
    Post by: Bob sherry, Feb 22, 2023 in forum: PSI Superchargers Tech Questions
  5. Bob sherry
    Post

    Blower over drive

    Most definitely
    Post by: Bob sherry, Feb 22, 2023 in forum: PSI Superchargers Tech Questions
  6. Bob sherry
    Post

    Blower over drive

    Thanks will do
    Post by: Bob sherry, Feb 21, 2023 in forum: PSI Superchargers Tech Questions
  7. Bob sherry
    Post

    Blower over drive

    Thanks Bob good to hear from you, I have only gone up to 20 over and it did go a bit faster so I thought I might try 30 over, if it slows down...
    Post by: Bob sherry, Feb 21, 2023 in forum: PSI Superchargers Tech Questions
  8. Bob sherry
    Post

    Blower over drive

    Thanks for that gives me some good information
    Post by: Bob sherry, Feb 21, 2023 in forum: PSI Superchargers Tech Questions
  9. Bob sherry
    Thread

    Blower over drive

    Gday guys I have been wondering how much overdrive a std helix 8/71 could handle before becoming inefficient with non striped rotors. Engine is a...
    Thread by: Bob sherry, Feb 19, 2023, 14 replies, in forum: PSI Superchargers Tech Questions
  10. Bob sherry
    Post

    Blower lope a bit excessive.

    Blower serge is a more common term
    Post by: Bob sherry, Nov 19, 2022 in forum: PSI Superchargers Tech Questions
  11. Bob sherry
    Thread

    Blower lope a bit excessive.

    I have a 469 big block chev with an no stripped 871 at 15 over and a bug catcher on methanol. The car is a 3/4 chassis Chevy monza with a...
    Thread by: Bob sherry, Nov 19, 2022, 4 replies, in forum: PSI Superchargers Tech Questions