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Can anybody tell me the size of the harmonic balancer bolt for a 3100, i'm not good with metric sizes.
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I want to say it's a M12x1.25 off the top of my head but don't quote me on that yet... I can verify it when I get home and check my dampener install kit to see which stud I used.
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3500 Build, Comp XFI Cam 218/230 .050 dur .570/.568 lift 113LSA
Fully Balanced, Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Headers.
Stage-1 Raybestos/Alto 4t60e-HD, EP LSD, 3.69FDR
12.61@105 Epping NH Oct 2015 Nitrous 100shot (melted plugs) 13.58@98.8 N/A 3200LBS -
18mm iirc.Lifting my front wheels, one jack at a time.Comment
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I think it's M12x1.5...'89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
'86 Fiero, 3500, 4-speedComment
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M12x1.5 has the antiseize on it so it must be that one
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Got Lope?
3500 Build, Comp XFI Cam 218/230 .050 dur .570/.568 lift 113LSA
Fully Balanced, Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Headers.
Stage-1 Raybestos/Alto 4t60e-HD, EP LSD, 3.69FDR
12.61@105 Epping NH Oct 2015 Nitrous 100shot (melted plugs) 13.58@98.8 N/A 3200LBSComment
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m 12x1.50
its m12x1.50, got that from the dealer. thanksOriginally posted by 3400-95-Modified View PostM12x1.5 has the antiseize on it so it must be that oneComment
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