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302 roller engine flywheel for c6

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Old Oct 13, 2003 | 11:29 AM
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302 roller engine flywheel for c6

i recently put an 89 mustang 302 engine in my 76 ford f-100..i used the flywheel of the old engine...this was the wrong fly wheel. so what i need is a fly wheel for a a mustang engine(50 oz) but it needs to bolt up to a c6 tranny...i'm hoping that some of the 5.0 engines(maybe in trucks or broncos) used a c6 trans..

any help is greatly appreciated...Thanks Tattoo Matt
 
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Old Oct 13, 2003 | 12:02 PM
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Keep track of which starter you have as the teeth on the flywheels are different on some so if you have the wrong teeth your gonna have problems starting the truck. If your using the starter originally off the mustang ho then you want a c6 flywheel with 164 teeth and 50 oz balance or equivalent. The c4 82-95 has 157 teeth so that wont work unless you use the starter for a 157 teeth but then you would have to match the flywheels up to make sure it is identical to a c 6.

Try this first the aod flywheel is 50 oz and has 164 teeth as your starter does if it is original so go get an aod and compare it physically to a c6 flexplate of the same year (reason you cannot use the c6 from this year is because from what I have they list them as 28 oz balance) if it matches then get the aod. Reason it might work is the aod is nothing more than a c6 with overdrive or at least that is what I was told. Hope this rambling crap has made some sense , later
 

Last edited by jwtaylor; Oct 13, 2003 at 12:06 PM.
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Old Oct 13, 2003 | 12:26 PM
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do you know what the bolt circle measurement is on a c6...jegs has a flywheel...aod 164 tooth,50oz and11.4bc...i wonder if that would work
 
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Old Oct 13, 2003 | 12:35 PM
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If your going to go with jegs or summit then call them and talk to their tech line they can give you exactly what you want. I thought you wanted a junkyard unit. I know this much it will physically bolt to the crank and more likely than not the tranny the main issue would physical dimensions as you can't have any pressure against the converter one way or the other or it will screw your tranny up. Give them a call and see what you come up with you know you need a 50oz 164 teeth c6 flywheel so they should have no trouble getting that for you, then we will go from there, good luck
 
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Old Oct 13, 2003 | 12:48 PM
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that sounds good but i'm using the starter from the old engine..so i'm not shure how many teeth i need...maybe i'll have to count them...

thanks for your help!!
 
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Old Oct 13, 2003 | 01:24 PM
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Well if it was a 68-76 302 with a c 4 then it was 157 tooth
77-82 302 it was c 4 then it was 164 tooth. Later
 
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Old Oct 13, 2003 | 03:57 PM
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The AOD is not the C-6 with an overdrive added, that was the E4OD, they had problems with the electronics in the early ones. But anything after '95 should be good.
 
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Old Oct 13, 2003 | 04:07 PM
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pfogle
I believe your right, on second thought. I was gonna say knew it had to be one of them then again it could have only been one of them. Later
 
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Old Oct 13, 2003 | 06:24 PM
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i just talked to somebody who said that it doesn't matter the amount of teeth...he said a c4 is a small flywheel and a c6 is a big wheel.. is this true
 
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Old Oct 13, 2003 | 07:57 PM
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Well I cannot verify on a ford but I will say this I know people who have mixed and matched chevy flywheels and starters and what you end up with is a chipped tooth and should your motor stop on that section your not a gonna start your truck. My suggestion either call summit or jegs and just tell them to sent you a 50 oz c6 flywheel or find a flywheel that originally came with your motor a 50 oz flywheel and then match it to a e40d or aod that has a 50 oz balance if it is physically the same then your good to go. Later


One guy mentioned taking the weights off one such as the 28 oz c6 and then putting a 50 oz weight (you have to weld it) on the similar location and you should be within the right balance, don't know about this but someone said they have done it I believe Torqueking. Later
 
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Old Oct 13, 2003 | 09:42 PM
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I just thought of something that makes me go duh but noone else seems to have thought of it. You already installed the flexplate and there were no issues with the converter or clearances I will assume. Why not just take the flywheel you used to a tranny shop and have them take the old weight off and weld the 50oz weights on and double check it. Man the solution seems too easy now huh. Good luck
 
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Old Oct 14, 2003 | 05:44 AM
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I think if you get a 50oz flywheel you are going to get 164 teeth.Your not going to get a choice .I beleive you already have a 164 teeth so maybe you can reuse your starter.When you get the flywheel lay it on top of your old one and you will know for sure. They changed in 1982 , so if your going to be looking for a used on anything from 83(to be on the safe side) up 302 w/c6 or aod trans will work.The napa part # is 600-5059. If your going to buy it from a salvage yard or new, to make it eazy and not to confuse anyone ask for a flywheel for a 1985 f150 with a302/c6.
 
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Old Oct 14, 2003 | 07:17 AM
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I feel stupid rereading all my posts I keep refering to the part in question as a c6 flywheel, so does everyone else? WHAT? Lets start calling it a flexplate the original post threw me and I didn't catch what I was typing until today. Funny huh?
 
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Old Oct 15, 2003 | 10:11 AM
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well guys I realy appreciate all your input!! Yesterday I went to the salvage yard and found a flywheel..oops..I mean a flexplate..lol.. off a 99 explorer. the teeth came out to be 164 and we placed it on a aod tranny and then a deisel tranny (the guy said it was a c6)and it fit...so i'm thinking that 99 flexplates were 50 oz for the 302"s...so as long as i have 164 teeth on my existing plate i should be in business...
 
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Old Oct 15, 2003 | 11:18 AM
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Check the back spacing on the flexplate. I cannot see how you can determine if it will work just by mating it up to another tranny and not bolting it the the block to make sure.
 
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