47re flexplate

ramtough01

Active member
Joined
Feb 26, 2008
Messages
2,776
i saw over on cumminsfourm of people putting the flexplate from the 6.7 on the 5.9s just looking to see what people think
 
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Has anyone ever broke one?? I would guess Reb Brown would have if anyone would have.

Lavon
 
Not too sure on that one....

It seems to me like a cost effective alt. to a laminated flexplate. Heck, You could cut the center out of your stocker and TIG it to this bad boy and have a pretty stout piece I would think...
 
Heck, You could cut the center out of your stocker and TIG it to this bad boy and have a pretty stout piece I would think...

It is funny that this thread came up, because that's what I've been thinking of doing.

I'm thinking I'll have to give this new flexplate a try.
 
If it is not much thicker, it wont be much help............. And, while possibly cost-effective, it is not SFI approved, so it may not be legal in some classes.
 
Question, I have a billet flexplate but I think the SFI rating expires in 2010 (i think). What does it take to get it approved once it expires?

Feb08_004.jpg


Lavon
 
yea, cost and safety should not be gambled with.

I am curious as to what they actually do to certify the design as safe?
 
If it is not much thicker, it wont be much help............. And, while possibly cost-effective, it is not SFI approved, so it may not be legal in some classes.

Why would you say that, when the post below your last one clearly shows that the center was torn out where the voids are?

Even if it was no thicker than the old design, I would expect a solid flexplate to be stronger than the older style with voids in it.
 
Why would you say that, when the post below your last one clearly shows that the center was torn out where the voids are?

Even if it was no thicker than the old design, I would expect a solid flexplate to be stronger than the older style with voids in it.

It *may* be a bit stronger than a stocker, but not as strong as a laminated or a billet plate. The easy way to do it is to buy another stock plate, cut the starter ring off and double up....
 
I agree that it won't be as strong as a laminated or billet one.

Even if you had to buy two of them and double them up it would be cheaper than buying a high dollar one. The only downside would be that it is not SFI approved (if that is a requirement).
 
What goes into a SFI approval? Dynamic speed loading? Just guessing here...

I'm just guessing too, but I would guess that a specific part must meet the specs set forth by the SFI foundation coupled with liability insurance on the manufacturer's end to cover any lawsuits.

Here's the SFI website, maybe you can ask them directly?

http://www.sfifoundation.com/

I personally don't get too worked up over whether something is SFI approved or not, because nobody checks for it around here and my truck is just a street truck anyway.
 
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