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01-26-2018, 01:19 PM
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#1 |
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F’B’D guy
 
Join Date: Feb 2004
Location: Texas/Maine
Posts: 2,208
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Flexplate, what is it’s function?
Stupid question I’m sure but I’m not afraid to ask, I have never really understood it’s function.
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01-26-2018, 02:36 PM
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#2 |
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Post Whore
 
Join Date: May 2015
Location: Alabama
Posts: 14,579
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Re: Flexplate, what is it’s function?
it connects the engine crankshaft to the torque converter...it also has the outer ring teeth for the starter to engage with to crank the engine....
__________________
Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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01-26-2018, 03:17 PM
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#3 |
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F’B’D guy
Join Date: Feb 2004
Location: Texas/Maine
Posts: 2,208
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Re: Flexplate, what is it’s function?
In all my years I referred to that as a flywheel
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01-26-2018, 03:29 PM
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#4 |
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Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,579
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Re: Flexplate, what is it’s function?
flywheel serves the same purpose except it connects crankshaft to a clutch/pressure plate in a manual transmission setup...
flexplate is used in a automatic transmission setup...
__________________
Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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01-27-2018, 08:25 AM
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#5 | |
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Six in a row makes it go...
Join Date: Mar 2009
Location: Vacationland: Maine
Posts: 1,346
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Re: Flexplate, what is it’s function?
Quote:
A flex plate actually, well, flexes. There's a good video (that I can't find now) from underneath a high-horsepower Buick BB on a chassis dyno where you can see the forward/back flexing when they get on and off the throttle. At the 1:30 mark in this video below there's a good representation of the forces that happen inside the converter that helps to understand why the flex plate flexes. https://www.youtube.com/watch?v=zN9_5Z_bEy0
__________________
67 C20 long step resto: http://67-72chevytrucks.com/vboard/s...d.php?t=342086 66 C10 long step build: http://67-72chevytrucks.com/vboard/s...=1#post3814790 CT to Alaska in a 67 C10: http://67-72chevytrucks.com/vboard/s...d.php?t=399224 “The height of sophistication is simplicity." - Clare Boothe Luce |
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01-27-2018, 10:11 AM
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#6 |
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F’B’D guy
Join Date: Feb 2004
Location: Texas/Maine
Posts: 2,208
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Re: Flexplate, what is it’s function?
Thanks y’all
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01-27-2018, 10:56 AM
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#7 |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: Flexplate, what is it’s function?
A Flywheel also produces a ........wait for it........flywheel effect.
The firing pulses from the pistons are stored in the heavy weight of the flywheel and given up smoothly into the transmission. In an automatic transmission that job is accomplished by the torque converter so no "flywheel" needed. Just a connection plate.
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My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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