I-6 300 Timing
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I-6 300 Timing
'87 F-150 with 300 six. My manuals state that there is no timing adjustment for this engine. Can this be wrong? According to the manual (both Chilton and Haynes) the computer will take over and readjust. Is this right?
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Joined: Jul 1999
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I-6 300 Timing
David ,
The timimg is adjustable . Unless you have disturbed the dist or had problems with the pulley slipping , Its a safe bet your engine is still in time . The 300 uses a gear on the crank to turn a gear on the cam shaft .... much less wear and tear vs timing chains . If you want to check the timing , hook up the timing light , you ll find a two wire connector coming out next to the distributor , there is a plug in the end of this connector ...remove it ...this will stop the computer from searching for the optimal timing . Check the mark on the pulley in relation to the timing mark . If you do need to adjust , its handy to have one of those wrenches that will fit around the dist to loosen the hold down bolt . Dont forget to reinstall the cap in the Spout connector when youre done . Hope this helps .
Paul
The timimg is adjustable . Unless you have disturbed the dist or had problems with the pulley slipping , Its a safe bet your engine is still in time . The 300 uses a gear on the crank to turn a gear on the cam shaft .... much less wear and tear vs timing chains . If you want to check the timing , hook up the timing light , you ll find a two wire connector coming out next to the distributor , there is a plug in the end of this connector ...remove it ...this will stop the computer from searching for the optimal timing . Check the mark on the pulley in relation to the timing mark . If you do need to adjust , its handy to have one of those wrenches that will fit around the dist to loosen the hold down bolt . Dont forget to reinstall the cap in the Spout connector when youre done . Hope this helps .
Paul
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