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  1. Mark Jones

    How quick is your Square?

    I think your confused, I run @ Bandimere. I've never seen 3500 feet air.
  2. Mark Jones

    How quick is your Square?

    I run a 327 .030 over 445 HP, small journal rods, 480/480 lift 240 @.050 solid flat tappet, 1.5 roller rockers, 462 2.02 fuelie heads, Moroso pan with a windage tray, Performer RPM intake, 750 Holley, locked out HEI. Turbo 350 trans, 2 piece drive shaft. 12 bolt truck rear end with 5.13 gears...
  3. Mark Jones

    How quick is your Square?

    My NA 327 1979 C-10 has been 12.80 @ high altitude, much quicker at sea level conditions. Thats a good run (15.90) @ 3500 feet
  4. Mark Jones

    Jared's 10 Second C-10 Driver

    Different truck, this ones from Canada.
  5. Mark Jones

    Jared's 10 Second C-10 Driver

    496, 3.42 gear, turbo 400, full weight, driver.
  6. Mark Jones

    Noob here looking for help deciding wether to purchase a new crate motor or do an engine re-fresh

    Although life is great in Thousand Oaks and I still live there at different times of the year, Horse Shoe Bay TX is my new home now, and I ain't no libby...................................
  7. Mark Jones

    Dart 572 BBC Build

    Your hoarding to many production BBC's
  8. Mark Jones

    454 in 79 K-10. Engine specs

    Put a smile on face just looking at it!
  9. Mark Jones

    Rebuilt $350 long block questions

    They probably had a disaster happen when boring your block-YOU ARE NOT over reacting, name of the shop?
  10. Mark Jones

    Dart 572 BBC Build

    WOW........that was you! Beautiful car and it was never forgotten in my mind, can you share your engine combo back then?
  11. Mark Jones

    Dart 572 BBC Build

    Theres was a guy in the 80s that worked at the GM proving grounds in Mesa Az that had a Chevelle that was the spitting image of yours, except for the drive line, ran 11.80s then. Infact the first time I saw your car I thought you were him.....
  12. Mark Jones

    Dart 572 BBC Build

    My question as well.
  13. Mark Jones

    454 Big Block Chevy Build

    Peanut port right there............
  14. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

    Yes.......and heres an example:
  15. Mark Jones

    454 Big Block Chevy Build

    Its the 1 1/4 valve springs with the stamped rockers.
  16. Mark Jones

    454 Big Block Chevy Build

    Never under estimate the peanut port head, 585 HP 467 with 9.3 compression 228 @ .050 hyd cam, stamped steel rockers, performer RPM intake. Example: And it looks like the set above have had work...................
  17. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

    Although I do live in California as well, I'am sure its crossed your mind-I Ain't no libby.............
  18. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

    I have a customer in Canada with the same long bed truck as mine, 3.42 gear Turbo 400, not gutted, probably around 4300 pounds with a 496 it runs 11.40s but thats at altitude, should run 11.0 down low. Most of you on this forum know my shop/race truck runs 12.80 @ high altitude @ 4000 pounds...
  19. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

    Horse Shoe Bay
  20. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

    No, it was built for a customer. The 327 is staying in my truck until I wring every last bit of performance out of it. I'm moving to TX and my plan is to run 11s in Houston's excellent air.
  21. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

    The dyno data.
  22. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

    Owner supplied intake and valve covers.
  23. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

  24. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

  25. Mark Jones

    I'm Going To Build A 650 HP 496 With 781 GM Oval Port Heads

    More pictures

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