Re: Are big & small blocks the same flywheel?
[Re: express]
#1897962
08/23/15 10:33 PM
08/23/15 10:33 PM
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Joined: Aug 2003
Posts: 43,176 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,176
Bend,OR USA
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There are several OEM 6 bolt A motor internally balanced motors, 273,318,340, 130 tooth nuetral balance flywheels that will work on either the BB, 426 Hemi and B and RB internally balanced motors, same on the internally balanced motors with the larger 143 tooth flywheels The key is internally balanced motors using a nuetral balanced flywheel, aluminum, stee, 130 or 143 tooth IHTHs
Last edited by Cab_Burge; 08/24/15 03:49 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Are big & small blocks the same flywheel?
[Re: express]
#1897979
08/23/15 10:49 PM
08/23/15 10:49 PM
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Joined: Feb 2005
Posts: 20,174 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,174
PA.
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I don't know if this will help you or not but my internally balanced 408 small block uses the same powerglide flex plate as my big blocks. Lots of used outdated sfi flex plates are bought for this purpose
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.42@138.27
Livin and lovin life one day at a time
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Re: Are big & small blocks the same flywheel?
[Re: Cab_Burge]
#1898013
08/23/15 11:27 PM
08/23/15 11:27 PM
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Joined: Sep 2003
Posts: 314 North East Missouri
express
OP
enthusiast
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OP
enthusiast
Joined: Sep 2003
Posts: 314
North East Missouri
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There are several OEM 6 bolt 130 tooth nuetral balance flywheels that will work on either the BB, 426 Hemi and B and RB internally balanced motors, same on the internally balanced motors with the larger 143 tooth flywheels The key is internally balanced motors using a nuetral balanced flywheel, aluminum, stee, 130 or 143 tooth IHTHs So if he gets any 6 bolt flywheel that is for an internally balanced motor it will work?
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Re: Are big & small blocks the same flywheel?
[Re: express]
#1898159
08/24/15 03:52 AM
08/24/15 03:52 AM
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Joined: Aug 2003
Posts: 43,176 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,176
Bend,OR USA
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There are several OEM 6 bolt 130 tooth nuetral balance flywheels that will work on either the BB, 426 Hemi and B and RB internally balanced motors, same on the internally balanced motors with the larger 143 tooth flywheels The key is internally balanced motors using a nuetral balanced flywheel, aluminum, stee, 130 or 143 tooth IHTHs So if he gets any 6 bolt flywheel that is for an internally balanced motor it will work? I messed up and forgot to include A motor flywheels on my original post, sorry See the post now with the edit, Rhinodart is correct
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Are big & small blocks the same flywheel?
[Re: Rhinodart]
#1898325
08/24/15 02:20 PM
08/24/15 02:20 PM
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Joined: Jan 2003
Posts: 75,008 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,008
U.S.S.A.
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In a word, YES! Any 6-bolt internally balanced flywheel will work. YEs ASSuMEing the 440 in question is also internal balance ... which the OP never says ...
running up my post count some more .
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Re: Are big & small blocks the same flywheel?
[Re: JohnRR]
#1898530
08/24/15 07:02 PM
08/24/15 07:02 PM
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Joined: Jan 2003
Posts: 8,940 Holly/MI
Dean_Kuzluzski
master
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master
Joined: Jan 2003
Posts: 8,940
Holly/MI
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10.5" - 130 tooth - YES 11" - 143 tooth - YES (they did come on some LA truck motors) 11" - 172 tooth (Hemi 66-67) - NO
What # of teeth does this dyno already use is the BIG question. If 130T, then get a 10.5" and you're good to go.
R.I.P.- Gary "Coop" Davis 02/09/68-05/13/04
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