Recent content by Mark Jones

  1. Mark Jones

    What A 500 + HP Peanut Port 454 Looks Like

    35 degrees total is where it was raced at.
  2. Mark Jones

    What A 500 + HP Peanut Port 454 Looks Like

    This smooth idle engine went on to run 10.30s @ 3720 pounds in less than sea level conditions. Never under estimate a peanut port head (236) or most Chevrolet production parts, as they can deliver.
  3. Mark Jones

    What A 500 + HP Peanut Port 454 Looks Like

    More pictures.
  4. Mark Jones

    What A 500 + HP Peanut Port 454 Looks Like

    Bucket showed some interest in the peanut port BBC, here's some pictures and full story behind this 585 HP smooth idle 454 peanut port engine. https://www.chevelles.com/threads/vortecpro-454-peanut-port-engine-build-and-drag-test.794225/#replies
  5. Mark Jones

    489ci tow build...

    It takes 2 hours porting per head, then the guide and valve job work. Then you're going to have a very responsive high torque engine. My 467 peanut port engines make 529 HP and 560 TQ with a 224 @ .050 cam. Notice the smooth idle......
  6. Mark Jones

    489ci tow build...

    I think a set of 236 peanut ports properly done would the best choice. Depending on your elevation that would dictate the compression. I can guarantee I'd be over 500 HP and 600 TQ.
  7. Mark Jones

    My Rear End Build For My Low Buck Street/Race Truck

    I'm thinking possibly I might have a 10 sec shop truck here..................
  8. Mark Jones

    My Rear End Build For My Low Buck Street/Race Truck

  9. Mark Jones

    My Rear End Build For My Low Buck Street/Race Truck

    New best: 1.50 60 foot 7.04 660 94.19 MPH 660
  10. Mark Jones

    Newbie doing 454 swap need some guidance

    467 CU IN 9.3 Compression 236 headed ported peanut port engine, 228/238 @ .050 hyd roller cam, stamped steel rocker arms, Performer RPM intake, modified factory 4 quart oil pan. Dyno test below.
  11. Mark Jones

    Peanut Port #14092360

    Here some information you can use. Those 360s are peanut port heads with stellite seats. Any factory carburated stock 454 engine made 320 HP with headers on the dyno. Properly done 9.3 comp, 228 @ .050 cammed 454s can perform like this: Not sure what can be done with the TBI 454.
  12. Mark Jones

    Blue Print or GM Performance

    Great install!
  13. Mark Jones

    1979 Big 10 Engine & Transmission Upgrade

    Thanks, I had Larry Meaux port these heads, he did a good job.
  14. Mark Jones

    1979 Big 10 Engine & Transmission Upgrade

    Ran a new best today: 7.04 @ 94.15 1/8 mile 1.50 60 foot So close to having a 10 sec truck, its making me want to do just a little more............
  15. Mark Jones

    400 SBC Build - Tight Budget

    First step here is to mag the steam holes for cracks, you have rebuilder special here, so it needs decked and honed to .040 with TQ plate. Line hone next.
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