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  #1  
Old 08-09-2011, 11:24 AM
RustyBarnard RustyBarnard is offline
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Is a 5.0L flywheel the same as a 5.8L flywheel

I'm in the middle of swapping in a standard 5 speed transmission
(ZF-42) from a 1994 F250 into my 94 F150 5.0L (302) 4x4 that originally had a automatic (E40D)

My question is the flywheel from the 5.8L going to work with my 5.0L? It is a 164 tooth ring gear and externally balanced.
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Old 08-09-2011, 11:38 AM
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I dont know for sure, but I think the 351 flywheel is different. The 4.9 and 5.0 use the same.
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Old 08-09-2011, 12:23 PM
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They are not the same, they are balanced differently. Plus the 93 up 351W had an 11.5" clutch, while the 300/302 used an 11" clutch.
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Old 08-09-2011, 12:42 PM
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You have 28 oz vs 50 oz. Be careful of the years of each engine too. The bellhousing will also possibly be different and thus a different number of teeth. Ford does us all a disservice with the multiple flexplates they use. Try finding a 50 oz flexplate with 157 teeth to mate to a 1968 Mustang C4 trans..... Grrr.
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Old 08-09-2011, 12:43 PM
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And the bolt pattern of the torque converter varies. Check ALL your parameters.

This is the worst part of building a Ford.
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Old 08-09-2011, 12:49 PM
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Quote:
Originally Posted by SCRebel View Post
I dont know for sure, but I think the 351 flywheel is different. The 4.9 and 5.0 use the same.
The 4.9L (300 I-6) M/T flywheel is not the same as a 5.0L (302). The 5.0L M/T flywheel is not the same as a 5.8L (351W).

E8TZ-6375-D .. 5.0L M/T Flywheel / Marked: E8TR-6375-AA

Applications: 1988/96 F150/250 & Bronco.
-----------------------------------------
E0TZ-6375-A .. 4.9L M/T Flywheel / Marked: E0TR-BA

Applications: 1980/96 F100/350 & Bronco.

The only thing that is the same 4.9L/5.0L/5.8L is the 164T M/T flywheel ring gear (C5AZ-6384-D).
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Old 08-09-2011, 12:58 PM
Beanscoot Beanscoot is offline
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Flywheels and flexplates

The 300-6 flywheel and flexplate have no balance weights at all since it is an internally balanced engine.

Some 300 units are identical otherwise with some V8 pieces that have the same diameter, tooth count and use the same clutch.
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Old 08-09-2011, 01:17 PM
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Quote:
Originally Posted by NumberDummy View Post
The 4.9L (300 I-6) M/T flywheel is not the same as a 5.0L (302). The 5.0L M/T flywheel is not the same as a 5.8L (351W).

E8TZ-6375-D .. 5.0L M/T Flywheel / Marked: E8TR-6375-AA

Applications: 1988/96 F150/250 & Bronco.
-----------------------------------------
E0TZ-6375-A .. 4.9L M/T Flywheel / Marked: E0TR-BA

Applications: 1980/96 F100/350 & Bronco.

The only thing that is the same 4.9L/5.0L/5.8L is the 164T M/T flywheel ring gear (C5AZ-6384-D).
Now that I think about it, the flywheels are different. I did a 4.9 to 5.0 swap once, years ago. However I believe I used the 4.9 pressure plate and clutch. And I do believe I got another flywheel for the 5.0.
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Old 08-09-2011, 01:39 PM
RustyBarnard RustyBarnard is offline
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OK this is good help, My 5.8L flywheel is marked E8TR-BA don't think this is the part number of it is it?

I called Ford today and they said the flywheel is discontinued??

Should i just get one from napa? And What should i get? A 1994 F150 5.0L manual flywheel? or should i get a 1994 F250 5.0L manual flywheel?

As the ZF-42 5 speed was only offered in F250 and F350

On the centerforce web site sounds like the F150 ,F250, F350 all use the same clutch between 5.0L and 5.8L so i shouldn't mess that up right?
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Old 08-09-2011, 03:40 PM
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Alvin in AZ Alvin in AZ is offline
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www.rockauto.com
Ford
1994
F250
5.0L
Transmission-Manual
Flywheel
$44 to $104

...take your pick. ;)

Alvin in AZ
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Old 08-09-2011, 04:09 PM
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Quote:
Originally Posted by RustyBarnard View Post
OK this is good help, My 5.8L flywheel is marked E8TR-BA don't think this is the part number of it is it?
No, it's an ID engineering number, not a Ford part number. Marked w/ID number: E8TR-6375-BA = Ford part number E8TZ-6375-C

I called Ford today and they said the flywheel is discontinued??
Considering that the last MSRP was a horrid $457.77 (dealer net cost was bad enough @ $274.66), I doubt you woulda bought one if it was still available.

Should i just get one from napa? And What should i get? A 1994 F150 5.0L manual flywheel? or should i get a 1994 F250 5.0L manual flywheel?
Did you see what I typed in post #6? It's the same tamale. 1988/96 F150/250 & Bronco 5.0L: E8TZ-6375-D
351W flywheel is not the same as a 5.0L The 5.0L flywheel is not the same as a 4.9L

Alvin in AZ (retired RR 'signal ape' and a well known raconteur on Ford truck websites) gave you a ref for rockauto.
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Old 08-09-2011, 04:09 PM
 
 
 
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Go Back   Ford Truck Enthusiasts Forums > Performance, Engines & Troubleshooting > Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W)

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