440 Crank ID, Cast or Steel?
#2649931
04/28/19 03:17 PM
04/28/19 03:17 PM
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Joined: Feb 2009
Posts: 1,149
NW New Jersey
RSI700VIPER
OP
super stock
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OP
super stock
Joined: Feb 2009
Posts: 1,149
NW New Jersey
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Is there any way to tell if a 440 crank is cast or steel (late vs early) when it's installed in the car besides looking at the harmonic balancer? Is there something different about the crank/balancer key, depth of damper bolt or threads, or something different on the rear flange etc.? Without knowing the correct balancer, will I need to drop the pan to check the crank to be sure?
Last edited by RSI700VIPER; 04/28/19 03:55 PM.
1970 Superbird 440 Six BBL, 4-Speed, Dana, FJ5
1969 Daytona Charger 440 4-Speed, Dana, EV2
1971 340 Challenger Conv. Flemington Speedway Pace Car, FC7
1970 340 Six Pack Callenger T/A 4-speed T8 Tan
1971 340 Challenger RT Formal Roof, EV2 w/ V2 Stripe & Orange Houndstooth
1969 Talladega Torino, 428CJ
1969 Gurney Special Cyclone Spoiler II, 351 Cleveland
"Id rather have a bottle in front of me than a frontal lobotomy" Ben Franklin 1755
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Re: 440 Crank ID, Cast or Steel?
[Re: Locomotion]
#2650215
04/29/19 01:31 PM
04/29/19 01:31 PM
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Joined: Aug 2003
Posts: 4,384
Madison Wi
NTOLERANCE
master
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master
Joined: Aug 2003
Posts: 4,384
Madison Wi
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Assuming it’s stock and still in the car Check for weights welded to the converter. Two small squares.
All cast crank big blocks I’ve had have had them stock. Doesn’t mean someone didn’t change it along the way.
I used to care but....... things have changed
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Big Block Purple Camshaft
[Re: RSI700VIPER]
#2650218
04/29/19 01:35 PM
04/29/19 01:35 PM
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Joined: Aug 2003
Posts: 181
Penticton, B.C. Canada
65_Satellite
member
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member
Joined: Aug 2003
Posts: 181
Penticton, B.C. Canada
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Good morning all,
I have a purple camshaft that I got in a trade several years ago. It is painted purple between the lobes , and has the numbers 911525 on the butt end of the shaft. I do not know if this is for a hydraulic or solid lifter cam nor do I know the specs any help would be very much appreciated, thankyou
Last edited by 65_Satellite; 04/29/19 03:26 PM.
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Re: 440 Crank ID, Cast or Steel?
[Re: dragon slayer]
#2650238
04/29/19 02:51 PM
04/29/19 02:51 PM
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Joined: Jan 2003
Posts: 1,604
westerly, ri. usa
440lebaron
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,604
westerly, ri. usa
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as I recall from the 70's forged had a wide parting line (1/2 inch) looking straight front to back, cast had a thin sharp line
all parts are sold as is, all parts are considered used no warranties or returns
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Re: 440 Crank ID, Cast or Steel?
[Re: Locomotion]
#2650275
04/29/19 04:48 PM
04/29/19 04:48 PM
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Joined: Feb 2009
Posts: 1,149
NW New Jersey
RSI700VIPER
OP
super stock
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OP
super stock
Joined: Feb 2009
Posts: 1,149
NW New Jersey
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Do you know anybody with one of those flexible bore cameras, or whatever they are called? Might be able to get a view through the drain plug to see if the parting lines in the crank are thin (cast) or wide & flat (forged). Maybe even find a number on it.
It might depend on just how it was balanced if rebuilt as well. Internally with mallory metal, with OEM weight parts or aftermarket, etc. Might need a counterweighted flexplate too if its all not "neutral". Bore scope - not a bad idea. I think I know someone who has one. It's a 4-speed and I'm told that the car should have a 10.5 inch flywheel with 2-holes drilled all the way through the flywheel next to one of the flex plate mounting bolts (thanks Wayne from Brewers!) since its a V code and should have the heavy rods. I will check for that also.
Last edited by RSI700VIPER; 04/29/19 04:51 PM.
1970 Superbird 440 Six BBL, 4-Speed, Dana, FJ5
1969 Daytona Charger 440 4-Speed, Dana, EV2
1971 340 Challenger Conv. Flemington Speedway Pace Car, FC7
1970 340 Six Pack Callenger T/A 4-speed T8 Tan
1971 340 Challenger RT Formal Roof, EV2 w/ V2 Stripe & Orange Houndstooth
1969 Talladega Torino, 428CJ
1969 Gurney Special Cyclone Spoiler II, 351 Cleveland
"Id rather have a bottle in front of me than a frontal lobotomy" Ben Franklin 1755
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Re: Big Block Purple Camshaft
[Re: 65_Satellite]
#2650299
04/29/19 05:58 PM
04/29/19 05:58 PM
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Joined: Jan 2003
Posts: 74,976
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 74,976
U.S.S.A.
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65_Satellite
Good morning all,
I have a purple camshaft that I got in a trade several years ago. It is painted purple between the lobes , and has the numbers 911525 on the butt end of the shaft. I do not know if this is for a hydraulic or solid lifter cam nor do I know the specs any help would be very much appreciated, thank you did you start your own thread ?
running up my post count some more .
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