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Across 1. stroke of the engine after fuel is ignited in the cylinder 4. ethylene glycol 5. the stroke of the engine that expells burnt gases 9. abbrev. end of travel of a piston at the bottom of a cylinder 11. used in battery electrolyte 13. abbrev. single cam inside engine head 16. series of parts that open and close valves 17. basic framework of the engine 19. abbrev. alternative automotive fuel 20. device to transmit electricity to a commutator 22. stroke of the engine from BDC to TDC after intake stroke 23. abbrev. two cams inside engine head 24. key-off battery load 28. abbrev. ampere rating of a battery at zero degrees F 30. devise used to discipate heat 32. surface that the valve face makes contact with when closed 33. reservior for engine oil 35. pivot point of a piston and connecting rod 37. cylindrical machined opening in an engine block 38. starter componet that engages the flywheel 39. practice of protecting yurself and others

Down 2. corn based alcohol fuel 3. passage in the engine block that transports oil to the cam and crankshaft 4. current that change directions predictably 6. when the lead sulfate remains on the plate in a battery 7. devise designed to establish base timing of spark ignition 8. the bearings that carries the crankshaft 9. color of ground for DC current 10. rotating part of starter that contains coil windings 12. componet that houses the intake and exhaust valves and ports 14. ring fitted into a piston used to form a sliding seal and prvents blowby 15. sytem that removes heat from an engine 18. abbrev. device to measure electrical potential, current, and resistance 21. fluid inside a battery 22. shaft having a series of ecentric lobes for opening of the valves 25. number of cells connected together in series in a battery 26. abbrev. end of travel of a piston at the top of a cylinder 27. series of copper segments placed side by side to form a ring on an armature 29. i.e. nut, bolt, screw, rivet used to hold parts together 31. leakage of air around a piston 34. lever used to open valves 36. opening or jet which fuel passes to be discharged