First Steps LS Swap...... - The 1947 - Present Chevrolet & GMC Truck Message Board Network

lynnfield · 12-16-2014, 06:18 PM

Next the tricky part, use a nut/bushing from the headlight switch. Order a 7/16"-28 tap, I got mine from McMaster Carr, about $11 plus shipping, I think the total was around $20. Remove the plastic bushing inside BEFORE you drill it out, it will cause you problems and theres not a lot of extra material. Drill the center of that out with a 25/64" drill, then tap 7/16"-28. BE CAREFUL, it is close, and there is not a lot of extra material, but it does work.

12-16-2014, 06:18 PM	#31
lynnfield The Waco Kid Join Date: Oct 2009 Location: Waco, TX. Posts: 1,781	Re: First Steps LS Swap...... Next the tricky part, use a nut/bushing from the headlight switch. Order a 7/16"-28 tap, I got mine from McMaster Carr, about $11 plus shipping, I think the total was around $20. Remove the plastic bushing inside BEFORE you drill it out, it will cause you problems and theres not a lot of extra material. Drill the center of that out with a 25/64" drill, then tap 7/16"-28. BE CAREFUL, it is close, and there is not a lot of extra material, but it does work. Attached Images



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