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06-14-2024, 05:44 AM
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#1 |
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Registered User
Join Date: Apr 2008
Location: Somerset, Kentucky
Posts: 233
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4.3 to 5.7 swap
I have a 91 c1500 4.3 5 speed manual and I want to swap the old tired 4.3 out with a good old 350 2-piece rear main seal. my question is can I use the 4.3 flywheel on it? thanks for any info.
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It's been a long time coming... It's time to get it done.. 
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06-14-2024, 01:27 PM
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#2 |
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Senior Member
 Join Date: Mar 2003
Location: Colfax-California
Posts: 8,602
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Re: 4.3 to 5.7 swap
Nope, the 4.3 had different balancing requirements
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