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03-31-2018, 01:18 PM
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#1 |
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Registered User
Join Date: May 2016
Location: Green Bay, WI
Posts: 135
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Correct flywheel for 5.7 vortec?
Planning on doing a 5.7 vortec swap in my 72 C20. Has a SM465. Will this flywheel work? https://www.summitracing.com/parts/n...stionsanswers/
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03-31-2018, 04:08 PM
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#2 |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: Correct flywheel for 5.7 vortec?
I believe so
__________________
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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03-31-2018, 07:05 PM
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#3 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,728
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Re: Correct flywheel for 5.7 vortec?
That is the correct flywheel for an L31 Vortec motor. Smaller bolt pattern with counterweight for the one piece main seal crankshaft.
__________________
44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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03-31-2018, 09:44 PM
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#4 |
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Registered User
Join Date: May 2016
Location: Green Bay, WI
Posts: 135
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Re: Correct flywheel for 5.7 vortec?
Summit has this as a warning "Performance and SFI-approved flywheels must be used with performance clutch discs only. Use of a stock-style clutch disk with a performance flywheel will often result in insufficient operating clearance between the disc hub and flywheel bolts." Does this affect what kind of clutch I can use with this flywheel?
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03-31-2018, 10:21 PM
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#5 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,728
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Re: Correct flywheel for 5.7 vortec?
I've not seen that sort of language used before when talking clutch and flywheel clearance. But performance type clutches aren't much more expensive that stock ones. Or just run a performance disc with an OEM pressure plate.
__________________
44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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