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Generation III Internal Engine
Tapping iron block for low mount alternator

Generation III Internal Engine 1997-2006 LS1 | LS6

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Tapping iron block for low mount alternator

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Old

Dec 6, 2020 | 09:43 PM

#1

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Staging Lane

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Tapping iron block for low mount alternator

I know i have to use a m10x1.5 tap. What kind and size drill bit i would need ? Thanks

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Dec 7, 2020 | 08:22 AM

#2

On The Tree

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drill the hole with an "R" drill bit (.339", or 11/32"), then use an M10-1.5 Tap.

per ICT Billet

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Dec 7, 2020 | 10:11 AM

#3

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ICT billet sells a template for $10 that I normally use to drill these.
The above drill bit size is correct.

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Dec 7, 2020 | 10:53 AM

#4

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From: cedar hill, tx

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I just mount the alternator and use it as a makeshift drill and tap guide.

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Dec 8, 2020 | 12:25 PM

#5

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From: Hog Back, KS

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https://ls1tech.com/forums/conversio...cessories.html

Old

Jan 3, 2021 | 07:14 AM

#6

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Staging Lane

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Thanks guys

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