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BSpick
Joined: Mon Jan 27, 2020 3:31 pm
Posts: 36
Location: Denver, CO
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 28oz or 50oz Flywheel I picked up a used 302 and am going to replace the clutch and flywheel before I put it in. I can't tell if the flywheel is a 28oz or 50oz? Anybody have any suggestions based off the pic? The engine block is a E0AE D3C, but I think it may have been rebuilt. Any help is greatly appreciated.
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| Mon Sep 21, 2020 7:35 pm |
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BSpick
Joined: Mon Jan 27, 2020 3:31 pm
Posts: 36
Location: Denver, CO
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Re: 28oz or 50oz Flywheel Or should I just get this one resurfaced and not bother buying a new one?
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| Mon Sep 21, 2020 8:05 pm |
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mickphatmac
Official CCB Member
Joined: Fri Mar 16, 2012 10:26 am
Posts: 1810
Images: 14
Location: Evans,CO
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Re: 28oz or 50oz Flywheel E0 is 1980
1968-80 302 engines were built with a 28-ounce imbalance factor. 1981-2001 302 engines were built with a 50-ounce imbalance factor.
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1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
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| Mon Sep 21, 2020 9:48 pm |
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pgilbeau
Official CCB Member
Joined: Sun Jul 07, 2013 6:06 pm
Posts: 639
Location: Falcon, CO
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Re: 28oz or 50oz Flywheel If your not sure I would see what you can find online with the casting number for the block, E0 is 1980 which is around the time the 302/5.0 changed from 28oz to 50 oz imbalance. The casting number on the flywheel E8TR-AA is a 1988 casting number which if it was from a 302 would be the 50oz imbalance, however if it was from a 351W it would be a 28oz imbalance. I would try and find as much info as I can on those casting numbers or just have it resurfaced. I am sure someone else will chime in.
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1969 Bronco: Full widths, 3 linked front end, 37's, hydro-boost, 4x4x2 box, ZF5, Atlas t-case, and fuel injected 302
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| Mon Sep 21, 2020 9:54 pm |
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la hi
Official CCB Member
Joined: Thu Apr 19, 2018 7:09 am
Posts: 96
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Re: 28oz or 50oz Flywheel What does resurfacing do for you? A general question, not specific to this post?
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| Tue Sep 22, 2020 7:34 am |
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Kinder
Official CCB Member
Joined: Wed Sep 29, 2010 10:03 pm
Posts: 4371
Images: 0
Location: Parker, CO
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Re: 28oz or 50oz Flywheel
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Best to Date MPG: 26.6
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| Tue Sep 22, 2020 9:32 am |
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TOOLMAN
Official CCB Member
Joined: Mon Feb 14, 2011 10:29 am
Posts: 768
Location: The MHC
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Re: 28oz or 50oz Flywheel And you can probably get the ring gear replaced by the machinist.
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Wilma - 71 1/2 Wagon; 3 1/2" WH lift, 1" BL, NP435, Chebby disc front, WH twin stick D20, EFI 302, Cool hood scoop, mucho cancer; purchased in 1990.
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| Tue Sep 22, 2020 10:53 am |
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ManTruck
Official CCB Member
Joined: Tue Oct 12, 2010 8:47 am
Posts: 200
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Re: 28oz or 50oz Flywheel I vote for resurface and starter gear as mentioned.
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Owned my 1972 since 1985
Canon City, Co
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| Wed Sep 23, 2020 2:32 pm |
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BSpick
Joined: Mon Jan 27, 2020 3:31 pm
Posts: 36
Location: Denver, CO
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Re: 28oz or 50oz Flywheel I went the safe route and just got the flywheel resurfaced...
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| Wed Sep 23, 2020 7:35 pm |
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