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Jim Caughlin · 11-14-2017, 11:42 AM

Regarding air gap, yes you have to drill a hole to check clearance and also note that after you drill the hole, you have voided getting the bellhousing recertified. As you are mainly looking for the minimum air gap, I have a round rod (that is the minimum gap diameter) that fits through the hole easier, I ground it to a point at the end so it will slide into position easier. Bear in mind that if you are shifting without the clutch (which pretty much everyone is) that air gap is not that big of a deal, mainly I use it as a delay box for fine tuning reaction time.

Jim Caughlin
SS 6019

11-14-2017, 11:42 AM	#16
Jim Caughlin Senior Member Join Date: Mar 2002 Location: Woodburn, Or Posts: 635 Likes: 70 Liked 693 Times in 208 Posts	Re: Bellhousing Regarding air gap, yes you have to drill a hole to check clearance and also note that after you drill the hole, you have voided getting the bellhousing recertified. As you are mainly looking for the minimum air gap, I have a round rod (that is the minimum gap diameter) that fits through the hole easier, I ground it to a point at the end so it will slide into position easier. Bear in mind that if you are shifting without the clutch (which pretty much everyone is) that air gap is not that big of a deal, mainly I use it as a delay box for fine tuning reaction time. Jim Caughlin SS 6019