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#1 |
Senior Member
![]() Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,725
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Re: New flexplate help
Comparing pictures I believe the center dish is slightly bigger on mine. It's installed now and I can't get to it to measure. Are you lacking just a fraction of an inch clearance? https://www.amazon.com/gp/product/B000C8RDCS
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#2 |
Registered User
Join Date: Mar 2007
Location: Behind the Taco Bell dumpster
Posts: 296
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Re: New flexplate help
Ya, it's literally a ****s hair away from clearing. Your ATP plate is the same as mine, mines just the HD version AFAIK.
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#3 |
Senior Member
![]() Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,725
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Re: New flexplate help
Well then, by picture comparison the light duty one appears to have a bigger dish. When I received mine I noticed it was exactly as pictured, and exactly same as the original one with ruined teeth I was replacing.
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#4 |
Registered User
Join Date: Mar 2007
Location: Behind the Taco Bell dumpster
Posts: 296
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Re: New flexplate help
That's an interesting observation. I may try a standard one on for size.
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#5 |
Senior Member
![]() Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,725
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Re: New flexplate help
No guarantees when comparing pictures on the wild web, but $18 later you will know for sure. It could be that Autozone or O'Reilly would have one to compare...
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#6 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,964
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Re: New flexplate help
I thought current GM crates with a one piece rear main seal were not externally balanced and required a flexplate specific to a one piece rear main seal engine.
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#7 |
Registered User
Join Date: Mar 2007
Location: Behind the Taco Bell dumpster
Posts: 296
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Re: New flexplate help
My GM crate is a 2 piece.
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#8 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,964
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Re: New flexplate help
Flexplate crank flange for a 1 piece is approx 3” whereas for a 2 piece is approx 3.5” - perhaps you have a 1 piece rear seal type flexplate(?)
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#9 | |
Registered User
Join Date: Mar 2007
Location: Behind the Taco Bell dumpster
Posts: 296
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Re: New flexplate help
Quote:
From ATP's site: Part Number Z-460 Name Heavy Duty Flexplate Additional Details For internally balanced engine with 2 piece crank seal. Torque converter mounting hole spread is 11.25 inches Outer Diameter (in inches) 14.13 Inner Diameter (in inches) 2.49 Teeth (in inches) 168 Trans. Code N/A Balanced N/A |
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#10 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,964
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Re: New flexplate help
Well, I’m stumped all over again. Crap.
Ok, last ditch effort - did the part number on the one delivered match? And the measurements? Am sure you’ve done all this, all your ducks certainly seem in perfect alignment! Just trying to figure what strange oddbal reason could exist. Seems a little far fetched for as many of these crank flanges to be that shoddily machined... but then again, not that surprising either. Last edited by jocko; 02-13-2018 at 04:10 PM. |
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#11 |
Senior Member
![]() Join Date: Oct 2014
Location: New Palestine In
Posts: 931
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Re: New flexplate help
I think the problem lies with GM and its quality control in their Mexico plant that machines these crate engines for them. There was no relief cut on the rear crank flange on my engine either. Had I known the hassle it would cause me the engine would be sitting back on their dock.
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Phil "Money is only a tool to create and achieve what you want most in life" PayPal: rodnrudy@comcast.net |
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#12 |
Registered User
Join Date: Mar 2007
Location: Behind the Taco Bell dumpster
Posts: 296
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Re: New flexplate help
Aren't most GM engines made in Mexico?
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#13 |
Custom Sport W/T
Join Date: Nov 2010
Location: Tarpon Springs,Fl & Annapolis,Md. ....................Quaint drinking villages with a fishing problem
Posts: 898
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Re: New flexplate help
Issues such as we have noted are a direct result of $5.00 - $8.00 per hour wages with very little supervision and NO QUALITY CONTROL. And guess what the machinist drove (rode) to work. Any questions?
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#14 |
Registered User
Join Date: Mar 2007
Location: Behind the Taco Bell dumpster
Posts: 296
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Re: New flexplate help
Got my shims, I installed two .036 shims and everything bolted together fantastically.
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