help, axle frame clearance on 6" rear drops - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Dropt72Shortbed · 08-25-2003, 02:50 AM

ok for you guys with 6" rear drops on coils spring trucks, how close is your axle to your frame without a c-notch? if its c-notched let me know if its the bolt in type they sell and how much clearance you have.

ive scrapped bagging my truck and i want to go with 6" drop coils and my 2" blocks for total of 8" (yes bed floor is going to be raised) im just wondering if that bolt in c-notch they sell will be enough clearance, i had 2.5" clearance before i took my truck apart and it never bottomed out.

**1971Stepside** · 08-25-2003, 03:05 PM

I have 3.5" from the top of the u-bolts to the bottom of the frame. Less with the bump stops in. If you are going to go with blocks you will need a notch.

Slammed67 · 08-25-2003, 03:19 PM

F.Y.I. - My truck has the bolt-in c-notch and I rasied my bed floor 1.5". With the axle tube bottomed out on the c-notch (with rubber bumper removed from the notch) the top of the pumPkin clears the bed floor.

Dropt72Shortbed · 08-25-2003, 03:29 PM

Quote:

Originally posted by 1971Stepside
I have 3.5" from the top of the u-bolts to the bottom of the frame. Less with the bump stops in. If you are going to go with blocks you will need a notch.

thanks that helps, i knew i would need a c-notch but the question was how big of a c-notch.

if you have a 6" drop with 3.5" clearance than i should have roughly 1.5" clearance with an 8" drop. which isnt enough clearance in my opinion, so custom notch it is or stick with a 7' drop.

anyone else have a 6" drop with the c-notch that wants to let me know how much clearance they have roughly?

08-25-2003, 02:50 AM	#1
Dropt72Shortbed Registered User Join Date: May 2002 Location: Huntington Beach CA Posts: 678	help, axle frame clearance on 6" rear drops ok for you guys with 6" rear drops on coils spring trucks, how close is your axle to your frame without a c-notch? if its c-notched let me know if its the bolt in type they sell and how much clearance you have. ive scrapped bagging my truck and i want to go with 6" drop coils and my 2" blocks for total of 8" (yes bed floor is going to be raised) im just wondering if that bolt in c-notch they sell will be enough clearance, i had 2.5" clearance before i took my truck apart and it never bottomed out.

08-25-2003, 03:05 PM	#2
1971Stepside Almost Satisfied Join Date: Mar 2002 Location: Springfield, MO Posts: 2,932	I have 3.5" from the top of the u-bolts to the bottom of the frame. Less with the bump stops in. If you are going to go with blocks you will need a notch. __________________ 1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far."

08-25-2003, 03:19 PM	#3
Slammed67 Progress = 0% Join Date: Nov 2001 Location: Kansas City, MO Posts: 2,108	F.Y.I. - My truck has the bolt-in c-notch and I rasied my bed floor 1.5". With the axle tube bottomed out on the c-notch (with rubber bumper removed from the notch) the top of the pumPkin clears the bed floor. __________________ Jason - '67 GMC swb \| '57 Bel-Air 4dr hardtop \| '56 210 4dr Wagon \| 2000 GMC Sierra

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