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06-24-2016, 02:25 AM
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#1 |
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Registered User
Join Date: May 2016
Location: Fairbanks, AK
Posts: 11
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70 4speed clutch to newer block?
I need to replace the engine in my 70 c20. I was thinking of getting a reman or new vortec motor and installing a carb on it. I know I need a new flywheel and harmonic balancer for the 1 piece rear main crank. Will the clutch bolt up to that flywheel? What clutch do I order? I think I have the SM465.
Thanks! |
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06-24-2016, 09:03 AM
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#2 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,717
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Re: 70 4speed clutch to newer block?
The clutch should bolt up. Just make sure you get a one piece rear main seal flywheel that is drilled for the 12" clutch which should be what was in front of the SM465. Just order a replacement clutch for your year truck.
__________________
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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06-25-2016, 01:25 AM
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#3 |
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Registered User
Join Date: May 2016
Location: Fairbanks, AK
Posts: 11
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Re: 70 4speed clutch to newer block?
Awesome thanks! I was hoping the pressure plate would bolt up. Do I need a special Pilot as well?
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06-26-2016, 07:56 PM
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#4 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,717
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Re: 70 4speed clutch to newer block?
I don't think GM made any changes to the pilot bushing, but you will find that out!
__________________
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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