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Old 02-26-2018, 05:40 PM   #1
Danny#2
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Tach Red Line Tabs

My 66 C10 has a 327 granny four speed with 411 rearend. Need help as to where to set the red line tabs. Thanks in advance.
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Old 02-26-2018, 07:57 PM   #2
AcampoDave
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Re: Tach Red Line Tabs

With that combo...I'd keep it modest due in part to the likely "well used" condition of the components. You should never have a need to rev that set up past 3500 rpm.
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Old 02-26-2018, 08:03 PM   #3
rvrfoot
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Re: Tach Red Line Tabs

Take it easy i first gear. Maybe you can start in 2.
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Old 02-26-2018, 09:33 PM   #4
Danny#2
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Re: Tach Red Line Tabs

Thanks guys!!
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Old 02-27-2018, 12:56 AM   #5
Captainfab
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Re: Tach Red Line Tabs

That is how you are supposed to drive a SM420, SM435 and SM465. First gear is not used in normal driving.

Quote:
Originally Posted by rvrfoot View Post
Take it easy i first gear. Maybe you can start in 2.
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