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Re: Western Chassis drop spindles VS G20 Shorty
Baker #781145 August 24th 2021 10:55 am
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On further investigation I went to NAPA to identify the D52 calipers that are supposed to bolt up to the WC spindles. Everyone looked at me like I was crazy and came up with a laundry list of potential calipers that the D52 are supposed to be. Nothing would "bolt up" as mentioned on the WC website.

I patiently sat on hold with Western Chassis and actually got to talk to someone about the brake issue. The solution is not what I expected. WC makes a proprietary brake kit that does not use OEM parts. They have custom parts that only they produce to prevent competitors copying their design. They sell the complete kit with spindles, calipers, brake hoses, ball joints, rotors, spacers and nuts and bolts for around $700. You have to use their rotors and spacers or the calipers will not bolt up. If you buy just the spindles like I did, don't expect to see any of this explained on the WC website, as it is not.

The part number for the Western Chassis brake kit is SWBK-8D6370D

They will, thankfully, put together a custom kit for you. They sent me the kit less the spindles and ball joints for $485. At least I found out that I am not crazy and what I was told is not what really is.

Moral of the story - when you are out in left field expect to kit rocks (hopefully with shoes on) and not barefoot like me.

Re: Western Chassis drop spindles VS G20 Shorty
Baker #781151 August 24th 2021 2:13 pm
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Nice to see you getting it together. When you go back to napa tell them D153! The G20 is a grey area with GM light trucks, The G20 is 3/4 light 5 Lug and the C20 is 3/4 heavy 8 lug. Nice to see someone doing all the same tricks I have considered for a lift spindle on my G30.

Re: Western Chassis drop spindles VS G20 Shorty
Baker #781206 August 25th 2021 2:09 pm
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Yes you are correct - Napa had problems believing that my G20 was a 5 lug. They swore it was an 8 lug.

By the way, the part number for the spindle nut is Dorman 05110

Summit will sell you one for $15 but if you search you can find it for $6. It is a 27/32 x 20 thread. Not the most common.

Re: Western Chassis drop spindles VS G20 Shorty
Baker #781247 August 26th 2021 4:13 pm
Joined: Feb 2016
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old hand
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Why not use lowered springs? I have two friends with chevy's that dropped them in, in a day and have had no problems.


1987 B250 - Painkiller
Re: Western Chassis drop spindles VS G20 Shorty
Baker #781786 September 06th 2021 2:37 pm
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I have always used drop spindles in my projects in order to preserve ride quality. In this case, your suggestion would have been the better route. I have already started down this path, so I am financially committed to see it through. Thanks for the tip.

Re: Western Chassis drop spindles VS G20 Shorty
Baker #781787 September 06th 2021 2:40 pm
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old hand
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I have a friend who used dropped spindles in his van. He had to go to G30 springs to keep it from hitting the bump stops when he’d hit a dip or big bump. Basically the stock spring rate may not hold up to a lowered position.


1987 B250 - Painkiller
Re: Western Chassis drop spindles VS G20 Shorty
Baker #781788 September 06th 2021 2:56 pm
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Just not the G30 HD coils ... will be too stiff of a ride


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Western Chassis drop spindles VS G20 Shorty
Baker #782545 September 20th 2021 4:04 pm
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Here is where I am as of today:

The Western Chassis spindles will not work for this application. The problem is two fold, as the c20 WC spindles utilize the larger ball joint studs, and use the larger calipers. Because you must use the larger calipers off the GMC 2500 it requires the 8 lug rotors. This opens up a whole new pinch point as I already have wheels to fit the 5 on 5 bolt circle.

I had a long talk with Western Chassis, and they said that I was on my own as they had never tried to put these spindle on a G20 van.

I then talked to summit and had them ship the CCP drop spindles for a C10 pickup. They are about $40 more over the price of the C20 spindles that Western Chassis sells, but they have three advantages:

1. They use the smaller ball joints found on the stock G20 van
2. They use the larger tie rod joints on the G20 steering AND the go in from the top like the stock spindles - Not up from the bottom like the WC spindles
3. They offer a 2.5 inch drop rather than the 2 inch drop from WC

Bottom line is that they fit our vans with no modifications. The part number from Summit racing is CLP-CP4S4 and the cost was $280.

Now I have to find some lower control arms out of the junkyard as I have modified my originals to fit the WC spindles.

Re: Western Chassis drop spindles VS G20 Shorty
Baker #782546 September 20th 2021 4:05 pm
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The pioneers are the guys with all the arrows in their back.

Re: Western Chassis drop spindles VS G20 Shorty
Baker #782557 September 20th 2021 4:54 pm
Joined: Jul 2014
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Rust N Dents
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There seems to be a lot of confusion around that whole 3/4 ton van with 1/2 ton parts thing.


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