Billet flexplate

strokethis_06 · Apr 20, 2014

The only difference I see is the 6.4 has two weights vs one weight on the 6.0. But I believe it is because the 6.0 weight would not fit between the bolt holes on the 6.4 plate because of the 2 extra holes.

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NathannialD · Apr 20, 2014

they are balanced differently fwiw.

strokethis_06 · Apr 20, 2014

Looking at them side by side I find that hard to believe. No matter. Im running it. We shall see what happens. Thats half the fun I guess.

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NathannialD · Apr 20, 2014

We have billet versions of both, they have different cutouts hence different amts of material removed to be balanced the same as factory. It doesn't make a difference to me what you do. I was just trying to clear up any confusion.

strokethis_06 · Apr 20, 2014

delong_1 said:
We have billet versions of both, they have different cutouts hence different amts of material removed to be balanced the same as factory. It doesn't make a difference to me what you do. I was just trying to clear up any confusion.

Thanks

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Tyler@Street Diesel Performance · Apr 21, 2014

this is a 6.0 and a 6.4 flex plate sting flat on the bench

MINK · Apr 21, 2014

Sold my trans...its in another 6.4...with my original 6.0 flex plate and converter...still no issues ...FWIW

Tyler@Street Diesel Performance · Apr 22, 2014

yeah i know a few people running it with no problems at all just its funny this subject came up, and just the other day i put these 2 next to each other and noticed a difference in them

SEABEE08FX4 · Apr 22, 2014

I ran a 6.0 converter / FP combo on mine and there was a noticeable vibration at idle. Ended up pulling it out and putting the 6.4 stuff back in. But the 6.0 stall did seem to work better for the single from what I noticed.

swinky · Apr 22, 2014

Have you guys ever noticed any difference in the cooler lines? The 6.4s don't have that external filter like the 6.0 does right?,

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SEABEE08FX4 · Apr 22, 2014

Some early model 2008 Job 1's did, it was only like a 6 month run that had them. Mine was one of them, I just swapped the lines out for the Job 2/3 style and did the internal filter. The external 6.4 Filter is a lot more of a PITA to change and requires a special tool and its almost 200 from Ford. Its not the same as the 6.0 one though.