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#1
01-10-2010, 03:12 AM
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Harmonic Balancer + Crank Identification Big Block
i have a Harmonic Balancer part #3963532 and a Crank part #7416 with other numbers M010 R020 GMT2 4-74 S-363 P4426.
any help in identification will be much appreciated. 
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#2
01-10-2010, 03:17 AM
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Re: Harmonic Balancer + Crank Identification Big Block
7416 is a 454 steel crank. With the numbers you gave the casting date appears to be 1974.
Double check the number on the harmonic balancer. I think you have too many numbers.  Kurt
__________________
 1969 SS396 Post Sedan Delivered to Van-T Topeka KS MCACN Day2 Concourse Gold Award 1965 VW El Lobo Dune Buggy built in the mid 70’s for the Iowa Shriners 1968 Schwinn Orange Krate 1969 Schwinn Pea Picker 1968 Schwinn 5-Speed 1970 Schwinn 3-Speed Deluxe 1972 Schwinn 10-Speed Continental 1973 Schwinn 5-Speed Suburban All Original Paint Bikes
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#3
01-10-2010, 03:27 AM
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Re: Harmonic Balancer + Crank Identification Big Block
[ QUOTE ]
7416 is a 454 steel crank. With the numbers you gave the casting date appears to be 1974. Double check the number on the harmonic balancer. I think you have too many numbers. Kurt [/ QUOTE ] your right,just double checked the last #7 should not be there for the balancer. thank you about the crank.
__________________
"NOSTALGIA It takes us to a place were we ache to go again"
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#4
01-10-2010, 03:36 AM
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Re: Harmonic Balancer + Crank Identification Big Block
3963532 is a 8" balancer for a 454.
__________________
1969 SS396 Post Sedan Delivered to Van-T Topeka KS MCACN Day2 Concourse Gold Award 1965 VW El Lobo Dune Buggy built in the mid 70’s for the Iowa Shriners 1968 Schwinn Orange Krate 1969 Schwinn Pea Picker 1968 Schwinn 5-Speed 1970 Schwinn 3-Speed Deluxe 1972 Schwinn 10-Speed Continental 1973 Schwinn 5-Speed Suburban All Original Paint Bikes
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#5
01-10-2010, 03:44 AM
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Re: Harmonic Balancer + Crank Identification Big Block
would both parts work for a LS6 motor?
__________________
"NOSTALGIA It takes us to a place were we ache to go again"
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#6
01-10-2010, 04:16 AM
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Re: Harmonic Balancer + Crank Identification Big Block
Yes, I believe so.
You need to get more information on that from someone with more knowledge than me. I'm sure someone else will chime in. Kurt 
__________________
1969 SS396 Post Sedan Delivered to Van-T Topeka KS MCACN Day2 Concourse Gold Award 1965 VW El Lobo Dune Buggy built in the mid 70’s for the Iowa Shriners 1968 Schwinn Orange Krate 1969 Schwinn Pea Picker 1968 Schwinn 5-Speed 1970 Schwinn 3-Speed Deluxe 1972 Schwinn 10-Speed Continental 1973 Schwinn 5-Speed Suburban All Original Paint Bikes
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#7
01-10-2010, 02:55 PM
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Re: Harmonic Balancer + Crank Identification Big B
The M010 and R020 are most likely machine notes...10 thou on the mains and 20 thou on the rod journals.
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#8
01-10-2010, 09:01 PM
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Re: Harmonic Balancer + Crank Identification Big Block
Both your crank & dampner were exclusive to the 1970-71 LS-6 only.
Those parts were available for years later on for service,as your date denotes.
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#9
01-11-2010, 01:52 AM
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Re: Harmonic Balancer + Crank Identification Big Block
thank you guys,i appreciate the great help here
__________________
"NOSTALGIA It takes us to a place were we ache to go again"
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