Description:

Lotus Twincam motor - 1720cc (84 x 77.6mm). Currently powering a Lotus Super Seven and will remain in the car until sale. Set up for pump gas at 10.25:1, it is in hot autocross or mild road race tune. Pro built head and valve train, but never dyno'd so horsepower/torque unknown. 500 road miles and 4 Auto-X outings. Steel crank and main caps. 12 bolt steel flywheel lightened to 11 lbs with 8-8.5" (Elan) clutch. Weber 45DCOE's with runners and pocket porting to match. Big valves (I & E) and competition springs. See detailed specs. Photos, receipts, video available.


History

Original build date unknown. Main caps and cams stamped CS Engineering, a long since defunct(?) London based manufacturer. Rebuilt in current configuration in 2003.Engine

• Ford/Lotus
  
• Twincam
  
• 1720 cc
  
• ??
  
• ??
  
• 2 x Weber 45DCOE-09's with 34 mm chokes (36's also included)
  
• Alloy - full height - ported runners and intake pockets
  
• Cast Iron "L" Block
  
• Steel
  
• EN-19 Steel 12 Bolt
  
• Ford 125E
  
• JE
  
• CSE - 280 deg @ .050", .430" Lift
  
• 1.625" Int., 1.375" Exh.
  
• Competition Springs
  
• 8.0"
  
• 8.5" HD
  
• Steel, 11 Lbs, 12 Bolt
  
• none
  
• 500 miles
  
• 4 Auto-X
  
• Block & chain cases decked .064". Head is full height with no welding / prior repairs. Cams are zero base circle with valves cut to match. 1.5" tappets. Adjustable cam timing. Dry sump system with steel pan - oil tank not included. Crane pointless ignition. Hi tensile head, rod, f/w bolts.
  

Spares

• 4 x 36mm chokes.