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Old 08-15-2021, 03:32 PM   #1
Hisroth
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Join Date: Sep 2010
Location: Hillsboro, KS
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89 Jimmy wheel spacer help

Hello all, used to participate in these forums with my 71 C10, have since changed and moved on to a different project, an 89 Jimmy K5.

I've done a front spindle/bearing, wheel bearings, brake pads, rigged up the back window track etc.. so far.

But when looking at it, the back wheels are inside the fender and the front wheels are even with the fender, so I was going to put some 1.5-2 inch spacers on the rear to bring them even with the front. Everything says they should be 78mm hubs on the rear, so I ordered a set. They're way too small. I start looking some more and it seems like 87 or 106mm are my only two semi-standard options. I get out a tape measure, and the rear hubs are 3.5 inches, which translates to just about 89mm?

So I guess my question is, did someone change the rear end, and what are the odds that the 87mm hub centric spacers will actually fit on my rear end?

Really looking forward to getting this project going.

Thanks! Happy to be back.

https://imgur.com/IZP39pw
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Old 08-15-2021, 08:40 PM   #2
kipps
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Re: 89 Jimmy wheel spacer help

A harbor freight caliper costs about $25. You'll find it useful for a lot of things, and it can give you an accurate measurement for this.
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1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome!
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Old 08-15-2021, 09:22 PM   #3
Hisroth
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Re: 89 Jimmy wheel spacer help

Quote:
Originally Posted by kipps View Post
A harbor freight caliper costs about $25. You'll find it useful for a lot of things, and it can give you an accurate measurement for this.
Ha, so simple and never crossed my mind.

I've got a buddy that's got one I'm sure, will check with him tomorrow.
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Old 08-16-2021, 10:25 PM   #4
84 400
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Re: 89 Jimmy wheel spacer help

How many bolts hold ob your rear diff cover?
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1984 chevy c10, built 400sb,.(SOLD)
77 K10 Project / daily driver "The Grinch" http://67-72chevytrucks.com/vboard/s...d.php?t=318363
1956 Willys Wagon (327 chevy) Project (Now Buick 225)
1980 Corvette L-48 4 speed
1992 Mustang GT built 5.0 5 speed

1985 C10 LWB Sold
1982 K10 SWB plow truck Parted out
1986 D30 M1028 fire brush truck Parted out
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