Drift Tengoku — October 2003

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About this issue

English draft translations are available throughout this issue. Unclear or unreadable OCR remains flagged; these drafts have not received full image proofreading. The archive retains 310 scan files, including two duplicate captures, representing 308 unique pages.

Browse all magazines · September 2004 issue

Page 25 · English draft

Draft translation. Unclear OCR remains flagged; full image proofreading has not been performed.

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  1. GET THE GOOD HANDLING!!
  2. In depth
  3. How to build a car that turns well
  4. 33
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  6. 16
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  19. hp://www.bnz.cojp/ [URL OCR uncertain; verify source]
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  22. 10-3 [OCR uncertain]
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  27. Control near full opposite lock is exceptionally good! I want to keep developing this setup!
  28. Masao Suenaga
  29. Here is the difference from standard! On the right is an ordinary Silvia setup. On the left is the adapted R31 setup, from the brand transcribed as “エルシポルト,” used at D1 Round 2. The shapes are completely different. It is surprising that it bolts on. [brand OCR uncertain]
  30. 35
  31. Combining steering angle with road-contact feel! Adapting R31 Skyline struts also changes the axis about which the knuckle rotates when the steering wheel is turned. This greatly affects tire-contact feel and controllability near countersteer. The final wording concerning steering angle is damaged. [partial source unclear]
  32. Modification guide: 1. Kei Office custom coilovers using modified R31 strut cases, 9 kg/mm springs
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  34. BLITZ
  35. GTWORKS
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  38. …rate: 9 kg [fragment; unit OCR uncertain]
  39. …case modified into height-adjustable suspension (spring rate…
  40. [Unclear: corrupted lettering or logo; requires image verification]
  41. Doing something like this…
  42. 2. Yanack pillow-ball tension rods
  43. …on. [fragment]
  44. The R31 shell case bolts onto the S13 lower arm…
  45. …I’m probably the only one! I’m researching it!
  46. Quite seriously…
  47. …rods [continued word]
  48. Pulled substantially forward to increase the tire’s range of movement.
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  51. 30
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  53. ③ PS13 factory lower arms
  54. Yanack tie-rod ends and URAS Super Tie Rods…
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  56. 2
  57. 4. S14 factory brake calipers
  58. …are fitted as well.
  59. …and rotors. The R31 hubs are retained and drilled to convert them to five-lug. Brake positioning is adjusted with washers inserted at the brackets and behind the rotors.
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  61. 5
  62. He drove from Kagoshima to compete in D1 and excelled in an AE86 in 2002, finishing 12th overall. He switched to a Silvia in 2003. Before this suspension change, the outside tire was rolling onto its sidewall; reportedly, his Bihoku collision with Imamura followed a puncture from a nail in that sidewall. This prompted the major modification. After round five he ranked 16th.
  63. ⑤ Clearance original… [brand reading needs verification]
  64. …roll-center adapters. Together with correction of the tie-rod-end position, these also help improve steering return.
  65. ②
  66. 4
  67. 23
  68. …is 16th.
  69. “As soon as I switched to the Silvia, I wondered why it gave so little sense of grip. Even after fitting steering-angle tie rods and modifying the knuckles, the steering lock seemed limited. Compared with my thoroughly developed AE86, I couldn’t accept it. Studying the movement, I noticed that at full opposite lock the outside tire developed a lot of positive camber. That explained the weak contact feel and poor control during a drift. I wondered whether I could make it more like the AE86. It started almost as a joke: I used to drive an R31, so perhaps its parts would work. Skyline parts should be strong enough, and I knew how to convert the hubs to five studs. I happened to have an R31 set from Ersport; it fitted almost bolt-on. Driving it felt good: the nose turns in strongly and control while drifting is excellent.”
  70. “The steering also returns smoothly from full opposite lock, and I really like it. But I wasn’t happy with the damping, and couldn’t find a shock that fitted the R31 strut case properly. Kei Office helped build the current suspension, which definitely improved it and brought it much closer to my ideal. Silvia owners with conventional suspension all say, ‘It really turns!’ and are surprised by how well the nose responds. It still isn’t perfect. Other struts of this shape with different spindle angles may work, and I want to experiment with arm combinations and roll-center correction. Having come this far, I want to develop it properly so I can explain the principles and make it useful to other Silvia owners.”
  71. 1. Kei Office custom coilovers made from modified R31 strut cases, 9 kg/mm springs; the R31 cases bolt onto S13 lower arms. 2. Yanack pillow-ball tension rods pull the assembly significantly forward to provide more tire movement clearance. 3. PS13 factory lower arms, Yanack tie-rod ends and URAS Super Tie Rods. 4. S14 factory calipers and rotors; the R31 hubs are drilled for five studs, with washers behind the brackets/rotors to align the brakes. 5. Clearance original roll-center adapters, together with tie-rod-end repositioning, also improve steering return. This transcribes the article’s setup rather than providing installation instructions.