MI: Lowering rear end: - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**old51sedan** · 06-29-2018, 07:45 PM

In the process of installing the 4" drop coil springs in the rear of my truck. I believe while the rear axle is jacked up should be the time to install the tapered aluminum wedges. I'm not sure as to which way they go? Does the tampered end go towards the rear or the front. I guess if I let it down I would know, but wanted to hear from someone who has installed them.

**Ironangel** · 06-30-2018, 07:19 AM

I dropped my LWB 72 C/10 and never bothered with the wedges. That was like 5 years ago and no issues at all. I think those wedges are only necessary on a leaf spring rear and extreme drops where pinion angle falls outside the 3% angle difference to the trans tail shaft...?

06-29-2018, 07:45 PM	#1
old51sedan Senior Member Join Date: Oct 2015 Location: Williamston, Mi Posts: 877	MI: Lowering rear end: In the process of installing the 4" drop coil springs in the rear of my truck. I believe while the rear axle is jacked up should be the time to install the tapered aluminum wedges. I'm not sure as to which way they go? Does the tampered end go towards the rear or the front. I guess if I let it down I would know, but wanted to hear from someone who has installed them.

06-30-2018, 07:19 AM	#2
Ironangel Senior Member Join Date: Feb 2010 Location: Falls City, Nebraska "100 Miles From Nowhere" Posts: 2,219	Re: MI: Lowering rear end: I dropped my LWB 72 C/10 and never bothered with the wedges. That was like 5 years ago and no issues at all. I think those wedges are only necessary on a leaf spring rear and extreme drops where pinion angle falls outside the 3% angle difference to the trans tail shaft...? __________________ Michael of the clan Hill, "Two Seventy Two's" 71 1-ton Dually 350 4-Speed 71 C/50 Grain Truck, 350 Split-Axle 4-Speed 02 3/4 ton Express 14 Indian Chief Vintage 1952 Ford 8N, "Only Ford Allowed On The Property" "Be American, Buy American"



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