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Flywheel for 5.9 Magnum #2677469
07/15/19 12:39 AM
07/15/19 12:39 AM
Joined: Jan 2003
Posts: 10,765
Central Valley, CA.
Quicksilver440 Offline OP
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Quicksilver440  Offline OP
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Central Valley, CA.
Ok...My boys (14 & 12) are swapping a 5.9 Magnum (converted to carb) in place of the old LA 318 in their ‘64 Sweptline. Truck has a a833OD with a special Hyd. Clutch Bellhousing and a 143tooth neutral balance Flywheel (Flywheel only has maybe 30 miles on it).

Here’s where it gets tricky....I was hoping to just add a McLeod magnum bolt on balance weight (I bought the weight awhile back) to my current non-McLeod internally balanced flywheel (will have a machine shop place the holes for the bolts)...anyone have a template for where this weight would go?

2nd choice (due to cost)...is there a 143tooth 5.9 magnum balanced flywheel off the shelf that will work for this application? Anyone know if a stock 5.9 magnum flywheel will work? Not sure what size clutch the stock magnums use...but I have brand new 10.5 and 11 clutch setups I can use in the garage.

rvoyles

Last edited by Quicksilver440; 07/15/19 12:59 AM.
Re: Flywheel for 5.9 Magnum [Re: Quicksilver440] #2677472
07/15/19 02:05 AM
07/15/19 02:05 AM
Joined: Jan 2003
Posts: 10,765
Central Valley, CA.
Quicksilver440 Offline OP
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Quicksilver440  Offline OP
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Central Valley, CA.
In researching...looks like the stock 5.9 magnum trucks used a 12” clutch. So that won’t work...

Re: Flywheel for 5.9 Magnum [Re: Quicksilver440] #2677486
07/15/19 07:04 AM
07/15/19 07:04 AM
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Posts: 1,674
ILLINOIS
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volaredon Offline
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volaredon  Offline
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ILLINOIS
yeah it might. When I did the clutch on my V8 Dakota (318, same bell and flywheel OD) originally it had a smaller clutch, but when I went to buy my clutch all I could find were 12". bolted right up. they changed them somehow so the bigger clutch would fit the stock flywheel.

Re: Flywheel for 5.9 Magnum [Re: Quicksilver440] #2677504
07/15/19 08:29 AM
07/15/19 08:29 AM
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Posts: 7,894
Benton, IL.
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DaveRS23 Offline
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Benton, IL.
I have a copy of a template for drilling the stock flywheels for balance. I think that it is for balancing the more common small block flywheels to the 360. But I have had it so long that I am not sure.

I can find it and post it later if that would help. It is very specific as in a machine shop will need to drill the 3 holes.


KOS
Re: Flywheel for 5.9 Magnum [Re: DaveRS23] #2677611
07/15/19 12:35 PM
07/15/19 12:35 PM
Joined: May 2019
Posts: 4,386
nowhere
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Sniper Offline
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PERFECTION CLUTCH 502754

143 tooth

Magnum 5.9

$85


Re: Flywheel for 5.9 Magnum [Re: DaveRS23] #2677797
07/15/19 09:52 PM
07/15/19 09:52 PM
Joined: Jan 2003
Posts: 10,765
Central Valley, CA.
Quicksilver440 Offline OP
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Quicksilver440  Offline OP
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Joined: Jan 2003
Posts: 10,765
Central Valley, CA.
Thanks Dave.I have the one for a regular 360...but haven’t seen one for 5.9 magnum when has a different balance...if you have that info, i’d Love to have it!

Last edited by Quicksilver440; 07/15/19 09:56 PM.
Re: Flywheel for 5.9 Magnum [Re: Sniper] #2677798
07/15/19 09:55 PM
07/15/19 09:55 PM
Joined: Jan 2003
Posts: 10,765
Central Valley, CA.
Quicksilver440 Offline OP
I Live Here
Quicksilver440  Offline OP
I Live Here

Joined: Jan 2003
Posts: 10,765
Central Valley, CA.
Thanks sniper....that’s an option too...would require me to buy a new clutch setup though....and I’m not positive it would work with my bellhousing (uses a 11” clutch now).

Last edited by Quicksilver440; 07/15/19 09:55 PM.






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