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06-29-2008, 01:09 AM
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#1 |
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Registered User
Join Date: Jun 2008
Location: Stanwood, WA, 98292
Posts: 151
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70 C10 Timing Tab
I just bought a 1970 C10 Stepside with an inline 6 250ci engine. I am in the process of rebuilding the carb and want to set the timing. I have a picture of the timing tab - does anyone know where TDC would be on this tab?
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06-29-2008, 02:32 AM
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#2 |
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Senior Member
Join Date: Sep 2004
Location: Terrell, TX
Posts: 1,967
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Re: 70 C10 Timing Tab
Welcome to the site...my guess would be where the O is...I think the A is for advanced, but I am not 100% sure.
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Kelly '05 GMC Sierra SLE Z71 Bone stock except for new bed rail caps. Last edited by Gray Ghost; 06-29-2008 at 02:33 AM. |
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06-29-2008, 02:37 AM
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#3 |
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Registered User
Join Date: Jun 2008
Location: Stanwood, WA, 98292
Posts: 151
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Re: 70 C10 Timing Tab
Thanks. That was my guess too, but when I set the timing (prior to taking the carb off) and used that as TDC it didn't seem to run as well as when it was further towards the "A". (The book I have says that the timing should be set right on TDC)
Last edited by telly; 06-29-2008 at 02:39 AM. |
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06-29-2008, 02:53 AM
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#4 |
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Senior Member
Join Date: Sep 2004
Location: Terrell, TX
Posts: 1,967
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Re: 70 C10 Timing Tab
Most motors run better between 4* & 8* advanced....mine likes 12*!
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Kelly '05 GMC Sierra SLE Z71 Bone stock except for new bed rail caps. |
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