rpm range for shovel engine,,, - Page 2 - Harley Davidson Forums: Harley Davidson Motorcycle Forum
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post #11 of 18 (permalink) Old 11-21-2012, 06:45 PM Thread Starter
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it makes perfect sense,,,,, I've not gone over 3500 on mine,,,, and that felt like enough to me,,,,, how do ya tell if ya got a cone motor,,,,, I've heard of them but forgot the differences,,,,
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post #12 of 18 (permalink) Old 11-21-2012, 07:14 PM
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Cone motor is 1970 to 1984. If has a stator in the primary and the points are in the right side, in the "cam cone", where the single cam resides as well.

1966-1969 had the Panhead style bottom end, with a generator, and a multi-cam bottom end with a distributor.

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post #13 of 18 (permalink) Old 11-21-2012, 09:35 PM Thread Starter
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I think I'm smellin what your steppin in now,,,,, all shovels are cone motors (correct?),,,,, when you said "know what I had" you meant as far as the condition of my motor not IF it was a "cone" or a pan,,,(I thought at first you were sayin there were two different types of shovels),,,, school is in session
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post #14 of 18 (permalink) Old 11-21-2012, 09:52 PM
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No. Shovels were made from 1966 to 1984. The 1966-1969 models had the older, generator bottom ends, despite having shovel heads.

In 1970, the shovelhead got a new bottom end, the "Cone style" bottom end. With this, the external generator was removed, and a stator was placed inside the primary.

When I said, "Knowing what you had" I meant, without knowing the age, and true mileage of the bottom end of the engine, (or top end for that matter) I wouldn't go pusning it to the limits you read about, which were tested and performed with NEW engines, not 25+ year old engines. Not unless you know the engine is in the kind of condition to handle that kind of revving.

1966-1969 Generator Shovelhead:



1970-1984 Cone style Shovelhead:


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post #15 of 18 (permalink) Old 11-21-2012, 10:50 PM Thread Starter
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I always thought that some people just merged the shovel top end onto a pan bottom for the hell of it,,,, to "up grade" their pan,,,, I am picking up what your putting down,,,, and thanks for the help and patience,,,,
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post #16 of 18 (permalink) Old 11-26-2012, 09:59 AM
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Yep, generator Shovels were built from 1966-1969 only.
I have a 1967 FLH, which also the last year of the mousetrap clutch, cast iron oil pump, etc.
All the rest had a nose cone timing cover, with a stator/magnet charging system.
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post #17 of 18 (permalink) Old 11-26-2012, 10:24 AM
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Quote:
Originally Posted by grouser View Post
my book quotes "62.0 hp @ 5400 rpm,,,," that is a bit over your stated red line and does not make sense to me ?????
An OEM 74" Shovel will not manufacture that power at the rear wheel.
Those are crankshaft rated numbers.
Pull about 15-18% from the 62.0 hp number, due to the parasitic driveline loss, and that'll be about all those 74"s made/make, which is basically what we've seen here on our Dynojet, over the years.
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post #18 of 18 (permalink) Old 11-26-2012, 10:11 PM Thread Starter
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a
good stuff thanks !!!!
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