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#1 | |
Senior Member
Join Date: Apr 2005
Location: Texas
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Option will probably be some kind of flywheel shield. |
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#2 |
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Join Date: Jul 2015
Posts: 383
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So..is there an expiration date?
I have an SFI flexplate on my car now that I will examine for any cracks etc..but does it make sense to take one off that has never broke,and replace with one that might? |
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#3 |
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Join Date: May 2010
Posts: 103
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Does each and every SFI certified product have to go through the required testing to meet the standards. Asking if someone in the know can answer, thanks.
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#4 |
Junior Member
Join Date: Apr 2023
Location: Columbus, OH
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A representative sample of the actual product is tested. Product is then considered SFI compliant for that part number. Any changes requires retesting.
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Div 3 Sales, Service and Tech for many manufacturers |
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#5 |
Senior Member
Join Date: Nov 2007
Location: Div. 6, Eastern, WA
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Dave Noll, EF/S ,?/SA 6526 Last edited by Dave Noll; 06-19-2023 at 02:32 PM. Reason: Slept |
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#6 |
Senior Member
Join Date: Dec 2001
Location: Alexandria, Va
Posts: 501
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Just internally balance the rotating assembly then no need to modify the SFI flexplate. Hopefully everyone sees me being a smart *** about this.
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Duane Eiskant 1354 Stock/Super Stock |
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#7 |
Veteran Member
Join Date: Mar 2002
Location: Miles From Nowhere
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Duane, NOT being a smart*** about this but did you ever see a 301 Pontiac crankshaft?
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"We are lucky we don't get as much Government as we pay for." Will Rogers |
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#8 |
Senior Member
Join Date: Dec 2001
Location: Alexandria, Va
Posts: 501
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Mark, Nope haven't seen a 301 crank. Just adding thoughts to NHRA's thinking. Since this is opening a rabbit hole no body wants to go down
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Duane Eiskant 1354 Stock/Super Stock |
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#9 |
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Join Date: Oct 2006
Posts: 175
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Here's a 301 Pontiac stocker crank internally balanced!
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#10 | |
Junior Member
Join Date: Apr 2023
Location: Columbus, OH
Posts: 91
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SFI 29.1 Flexplates have a 3 year certification time limit. Some brands will recertify if you send it in to them. Check with manufacturer.
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Div 3 Sales, Service and Tech for many manufacturers |
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