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engine (Buick 215) 298 cid- 4.9 L - Members Galleries - The Lotus Forums - Lotus Community Partner #ForTheOwners Jump to content

engine (Buick 215) 298 cid- 4.9 L

Elite 4.9

some of the modifications to this engine:


Bored & stroked Aluminum Buick 215 to 298 cid...4.9 L.
Weighs in almost exactly as the original 2.0 907 Lotus 4 twin cam.
Has slight increase of power with 310 hp/ 360 ft/lbs of torque.


305 Chevy forged Al pistons....molly rings
327 small block Chevy, Childs & Albert forged steel rods
Buick 300 Aluminum heads..over sized valves...ported intake & exhaust runners (polished)
Chrome molly pushrods
Buick 300 crankshaft ..up from original 2.8 stroke to 3.4 inch
All hoses SS braided with AN fittings.
Crain hi-intensity cam 272 @ .050. 480 lift intake, 454 lift..exhaust
11 lb aluminum flywheel with steel insert w/ aircraft fasteners
Tri-Y ceramic metallic, custom tube headers. 1 5/8 inch diameter
SS 2 inch exhausts w/ SuperTrapp SS mufflers


Mellings high flow oil pump and larger pickup...bored internal block oil galleries to .5 inch
High volume water pump
Holly double pumper, 4 barrel carb
Offenhouser intake
HEI distributor w MSD ignition modual. MSD says this is enough energy to light up a small city.
Jacobs computer controlled ignition w/ high intensity variable magnetic coil which alters spark in duration and intensity on each and every stroke of each cylinder.
K & N air cleaner

From the album:

'74 Elite 502 restoration

  • 10 images
  • 6 image comments

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