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  1. manta22

    John Horsman's Gear Ratio Notes

    I was going through some files and I found some notes that John Horsman had given me some time ago. They may be of some interest to the forum members so I scanned them and I will post them here. Note the tire expansion vs speed curves ! This just adds a bit to the GT40 provenance.
  2. manta22

    SPF Halibrand Wine Glass Style Wheel Casting Pin Holes Leaking

    Back in the Can-Am days we painted the inside of our magnesium wheels with GE "Glyptal" to seal their porosity.
  3. manta22

    FS USA Magnesium wheels- misc 15"

    Sorry, the wheels were sold.
  4. manta22

    RIP Sqn Ldr Mark Long

    Sad news.
  5. manta22

    Restarting my SLC project in West Texas

    Get used to all the attention your car generates, it never ends. A fellow almost fell out of the passenger-side window of a van while it was driving down the road. He was taking a picture of my car. :oops:
  6. manta22

    Some of the cars attending the GT Reunion

    To go along with my story...
  7. manta22

    Gt 40 steering wheel badge

    Thanks for posting this- very helpful.
  8. manta22

    Some of the cars attending the GT Reunion

    Allen Grant and the Lola Mk 6GT when Joline and I visited his shop a couple of years ago.
  9. manta22

    Randy's RCR40 MKI

    Deburring sheet metal piece edges is a sign of good craftsmanship.
  10. manta22

    GT40 vs the Competition

    I used Suspension Analyzer 2.4 by Performance Trends for my race car front & rear suspension design. The program is fairly intuitive and easy to use.
  11. manta22

    Master of Ceremonies for reunion: David Hobbs!

    A little further down that page was my reply: Jun 6, 2011
  12. manta22

    SpeedWeek 2024

    Speedweek, the biggest event on the Bonneville Salt Flats is coming up August 3rd to 9th. Put it on your bucket list- the venue is unique and it is like racing used to be in the '40s & '50s- no big money prizes, no TV coverage, just people out there for fun, and a timing slip is your only...
  13. manta22

    V12 Superlite GT-R Build: I've waited 2 years. How much longer from order to delivery?

    Sometimes the wait seems long but be glad you have not ordered a Randall with a few custom features- there is a 4 to 6 year waiting time for delivery.I carried a Randall Model #1 in the US Army. I could shave with that blade! https://randallknives.com/products/model-1-all-purpose-fighting-knife
  14. manta22

    Patching unused bolt holes in Aluminum

    Don't buy one for such a small job- borrow someone's riveter and bucking bar.
  15. manta22

    Patching unused bolt holes in Aluminum

    My computer crashed before I finished this post. You can insert a driven AN rivet to plug holes up to about 1/4". Since they are driven into place or squeezed, the rivet metal is forced into the hole radially so it is a very acceptable plug. No welding required with this method.
  16. manta22

    Patching unused bolt holes in Aluminum

    One other possibility is to insert a drived AN rivet
  17. manta22

    ID of this Mk-I road car at 1968 Bryar SCCA event

    "...these 4 were not sold by 1968 or were used as FoMoCo show / promotional car." If they were the ones used by FoMoCo for promotional purposes, I sat in one of those four in a Ford dealer's showroom in Charlottesville, VA back in those days. I should have snapped a picture...:confused:
  18. manta22

    Patching unused bolt holes in Aluminum

    Avoid those aluminum brazing rods like the plague! They are high zinc content and have low tensile strength and really poor fatigue life. Just find a good TIG weldor and have him fusion weld the plug with an appropriate filler rod alloy.
  19. manta22

    Master of Ceremonies for reunion: David Hobbs!

    My original post seems to have been removed arbitrarily. Ask Hobbs about his 10th place finish at the 1972 Riverside Can-Am. Tell him "Thank You" but we really would have preferred him to have been awarded that spot .
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