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-   -   What Flexplate? (https://www.classracer.com/classforum/showthread.php?t=75606)

StompNDump 03-02-2020 01:31 PM

What Flexplate?
 
Have any of you had any experience with the Summit or Jegs SFI Flexplates? I need to get a new one for my 582 BBC and was just shopping around.

Shake & Bake 03-02-2020 03:30 PM

Re: What Flexplate?
 
Spend the extra money and buy a Meziere True Billet Flexplate for your BBC.

SGSST109E 03-02-2020 04:33 PM

Re: What Flexplate?
 
I second that. Once you start getting up in HP the cheaper SFI flexplates will flex to much has damage to converter hubs. Get the Mez. and never look back

sgasman 03-02-2020 05:25 PM

Re: What Flexplate?
 
Quote:

Originally Posted by StompNDump (Post 609105)
Have any of you had any experience with the Summit or Jegs SFI Flexplates? I need to get a new one for my 582 BBC and was just shopping around.

I've had good luck with Hughes. 1185 HP and never broke or had to re-shim starter

Charlie Yannetti 03-03-2020 08:10 AM

Re: What Flexplate?
 
I've been using the Meziere, but have used one up.. starter alignment is very key in flexplate life.. just cause it sounds right, doesn't mean it's really right..

I was also just old about a new flexplate and starter drive gear set from ATI, that has been getting good reports.. the only draw back is that you will have to buy extra drive gears for your spare starters, should you have to replace a starter during a race...

Tom Goldman 03-03-2020 12:52 PM

Re: What Flexplate?
 
Can't beat the Meziere for durability . ...Mine is on it's third recert and still looks new.
More expensive ,yes, but not by that much considering how tough it is and its nearly 100% explosion proof.
All other flexplates ,regardless of manufacturer have a ring gear that is butt welded together and is welded on . ...If the ring gear weld does not have a weld across it attaching it to the disc it's a potential failure point .
I have personally seen several fail this way.
Charlie , I just had a friend send me pictures of a new ATI flexplate that had daylight showing between the ring gear and the plate between the welds.
How round do you think that ring gear was ? !
Bottom line is do you want a $100 piece of possibly Chinesium steel between your $20Kplus engine and your $1200 converter .

Charlie Yannetti 03-03-2020 04:34 PM

Re: What Flexplate?
 
WOW!!.. I was told that ATI has a billet plate.. different tooth count, and a drive gear that is like an inch across.. haven't seen one yet.. but that one you referred to is definitely a red flag...

Charlie Yannetti 03-03-2020 04:39 PM

Re: What Flexplate?
 
Quote:

Originally Posted by Charlie Yannetti (Post 609198)
WOW!!.. I was told that ATI has a billet plate.. different tooth count, and a drive gear that is like an inch across.. haven't seen one yet.. but that one you referred to is definitely a red flag...

Can't find what was described on their site.. I hope I didn't dream the conversation..

voltdr 03-03-2020 06:00 PM

Re: What Flexplate?
 
Meziere also has a special "10-Pitch" flexplate/starter combo that's supposedly stronger. The only issue is if you mix the combos up.
Dan


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