Gap setting for 472 points
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500, 472, 425, 368 Discussion, Gap setting for 472 points in Cadillac Engine Technical Discussion; Whats the recomended setting for points on a 472? .08 <----- Gap ? whats your input ?...
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    limousine rider's Avatar
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    Question Gap setting for 472 points

    Whats the recomended setting for points on a 472?

    .08 <----- Gap ?

    whats your input ?



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    The Ape Man's Avatar
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    Re: Gap setting for 472 points

    Quote Originally Posted by limousine rider View Post
    Whats the recomended setting for points on a 472?

    .08 <----- Gap ?

    whats your input ?


    IIRC .017 . Tune-up specs are on this board.

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    Re: Gap setting for 472 points

    Chiltons lists .016" for the point gap. More importantly, set the dwell angle to 30* (28* to 32*), assuming the car is running and you have a dwell meter. Also if it is running, you can try the following alternative method from my shop manual: (1) Turn adjusting screw in (clockwise) until engine begins to msifire. (2) Turn wrench 3/4 turn (270*) in opposite direction (counterclockwise), and then turn clockwise 1/4 turn (90*) to obtain proper gap and dwell.

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    Re: Gap setting for 472 points

    You set the points then always check dwell. Just setting the gap is half the job. The dwell can be set with the engine cranking and the secondary of the coil grounded if you are quick enough. In other words the car doesn't even have to be running..

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    Re: Gap setting for 472 points

    Thanks, worked out real good !

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    Re: Gap setting for 472 points

    Get a tach / dwell meter at Sears or most auto shops - get an old style one that is meant for points / condenser. You also need a 1/8" allen wrench. Lift up the window on the distributor cap and you can adjust the points while the engine is running! Note this only applies to GM V8s from 1968 to 1974 after which they went to HEI.

    Yet another example of GM engineering triumphs in the late 60s!

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    limousine rider's Avatar
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    Re: Gap setting for 472 points

    Quote Originally Posted by cadillacmike68 View Post
    Get a tach / dwell meter at Sears or most auto shops - get an old style one that is meant for points / condenser. You also need a 1/8" allen wrench. Lift up the window on the distributor cap and you can adjust the points while the engine is running! Note this only applies to GM V8s from 1968 to 1974 after which they went to HEI.

    Yet another example of GM engineering triumphs in the late 60s!
    Great information! what should the dwell #s range? 800 idle rpm?

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    Re: Gap setting for 472 points

    Please read my last post in this thread:

    http://www.cadillacforums.com/forums...rpms-park.html

    I could be all wrong by the way, but I'm probably not ...

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