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Chassis Nut and Bolt Sizes |
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Iain Jones of Chassis 33 Motorsport has kindley shared this information with us, even though it is from his Chimeara they share the same chassis so should be the same. Also may I take this oppertunity to wish Iain Good Luck for the 2006 Racing season
One thing worth noting the torques only apply to the UNF threads, if a bolt with a UNC is used the torque will have to vary to get the same stretch on the bolt to ensure there is sufficient load on the thread so the nut doesn't come undone.
Location | Bolt length | Thread
| Bolt head
| Nut Head
| Torque
| | | | | | | | Front Wishbone Upper Front
| 3"
| 7/16 UNF
| 5/8 " 16 mm
| 5/8 " 16 mm | 45 - 50lbft
| Front Wishbone Upper Rear
| 3" | 7/16 UNF | 5/8 " 16 mm | 5/8 " 16 mm | 45 - 50lbft
| Front Wishbone Upper Outer
| 3" | 7/16 UNF | 5/8 " 16 mm | 5/8 " 16 mm | 35 - 40lbft
| | | | | | | | Front Wishbone Lower Front
| 3" | 7/16 UNF | 5/8 " 16 mm | 5/8 " 16 mm | 45 - 50lbft
| Front Wishbone Lower Rear
| 5" | 7/16 UNF | 5/8 " 16 mm | 3/4 " 19 mm | 45 - 50lbft
| Front Wishbone Lower Outer
| 70mm
| M8
| 13mm
| 13mm | 12 - 15lbft
| | | | | | | | Front Shock Upper
| 3" | 1/2 UNF
| 3/4" 19mm
| 5/8 " 16 mm | 55 - 60lbft
| Front Shock Lower
| 3" | 1/2 UNF
| 3/4" 19mm | 5/8 " 16 mm | 55 - 60lbft
| | | | | | | | Upper Ball Joint to Upright
| -
| -
| -
| 19mm
| 60 - 65lbft
| Lower Ball Joint to Upright
| -
| -
| -
| 22mm
| 60 - 65lbft
| | | | | | | | Upright Pinch Bolt
| 70mm
| M12
| 19mm
| 19mm
| 60lbft
| Track Rod End
| -
| -
| -
| 17mm
| 30 - 35lbft
| | | | | | | | Bracket to Front Upright
| 30mm | M10
| 8mm Hex
| -
| 43 - 44lbft
| Caliper to Bracket
| 30mm | M10
| 8mm Hex
| -
| | | | | | | | | Rear Wishbone Lower Rear
| 3" | 7/16 UNF | 5/8 " 16 mm | 5/8 " 16 mm | 45 - 50lbft
| Rear Wishbone Lower Front
| 5" | 7/16 UNF | 5/8 " 16 mm | 19mm | 45 - 50lbft
| Rear Wishbone Lower Outer
| 3 1/2" | 7/16 UNF | 5/8 " 16 mm | 5/8 " 16 mm | 45 - 50lbft
| Toe Adjuster
| -
| 1/2 UNF
| | 19mm | 55 - 60lbft
| | | | | | | | Rear Wishbone Upper Rear
| 3" | 7/16 UNF | 5/8 " 16 mm | 5/8 " 16 mm | 45 - 50lbft
| Rear Wishbone Upper Front
| 4 1/2" | 1/2 UNF | 19mm | 19mm | 55 - 60lbft
| Rear Wishbone upper Outer
| 3" | 7/16 UNF | 5/8 " 16 mm | 5/8 " 16 mm | 45 - 50lbft
| | | | | | | | Rear Shock Lower
| 3 1/2" | 1/2 UNF
| 19mm
| 19mm
| 55 - 60lbft
| Rear Bearing Carrier to Upright
| 35mm | M10
| 8mm Hex
| -
| 45 - 48lbft
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