| 1. | Around mid-distance, trouble hits Spear s Ferrari, crippled by a broken oil seal.
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| 2. | The clutch oil seal was also prone to leakage.
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| 3. | Chrysler's engineers also redesigned the oil seals on the crankshaft to improve anti-leak seal performance.
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| 4. | This is generally dealt with quickly since failed oil seals will reduce the engine life.
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| 5. | This was important as it also reduced the speed of the crankcase oil seals alongside them.
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| 6. | Oil seals on British engines leak copiously.
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| 7. | Another common occurrence is that the balance shaft's oil seals are prone to leak on older engines.
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| 8. | In 1986, the rear main crankshaft oil seal was changed from a two piece to a one piece seal.
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| 9. | During practice, the front oil seal failed on the hastily built motor, causing oil to flow onto the track.
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| 10. | Penetrating oil seals come in clear or slightly tinted forms that give the deck a cedar, redwood, driftwood or oak look.
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