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02-25-2007, 12:18 PM
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#1 |
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Internal or external? That’s the question….
Trying to figure out if I want to go internal or external balance on my 383 conversion. Summit sells two Eagle cranks sets, one internal and the other external.
I want to get an idea what this will cost before I start buying stuff. The way I see it, the internal setup will allow me to keep my flex plate and harmonic balancer. Also seems to me that the internal balance would last longer. JMO. I’m going to call summit and see if it will require more clearance work on the block. LMK, s/t
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. 
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02-25-2007, 12:26 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Internal or external? That’s the question….
i would go with internal.
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02-25-2007, 01:43 PM
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#3 |
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Internal or external? That’s the question….
Am I correct about using the stock HB & flex plate?
Summit won’t be able to help until Monday. Thanks, s/t
__________________
1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.
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