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PostPosted: Wed Feb 02, 2022 10:40 am 
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3 Deuce Webber

Joined: Wed Mar 31, 2021 9:40 am
Posts: 88
Car Model: 1983 D150 Slantsix 4 speed
I'm looking to upgrade my 83 D150 suspension. I'm going to get Moog springs in the front but I'm not sure which brand to get for shocks. I'm stuck between KYB Blistin and Monroe. I'm looking for a smooth ride overall will use thus truck some for some work. I also live in a bumpy area and go on a ranch Often. What would you guys recommend?


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PostPosted: Wed Feb 02, 2022 7:51 pm 
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Supercharged

Joined: Wed Sep 17, 2008 6:48 pm
Posts: 3562
Location: Indianapolis
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I have KYB shocks on my 83D150. They have about 45,000 miles and 10 years on them. The KYB’s were pretty stiff early on, but softened up some with use and mileage.
Probably not a bad shock for what they cost.
I have Bilstein shocks on the 68 Barracuda. This is a different vehicle than the D150, but it is easy to tell that the Bilstein shocks has much better valveing for vehicle stability and for reducing the effect of road undulations.
Basically the Bilsteins are a much better shock. But they are also a much more expensive shock.

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PostPosted: Thu Feb 03, 2022 7:41 am 
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3 Deuce Webber

Joined: Wed Mar 31, 2021 9:40 am
Posts: 88
Car Model: 1983 D150 Slantsix 4 speed
DadTruck wrote:
I have KYB shocks on my 83D150. They have about 45,000 miles and 10 years on them. The KYB’s were pretty stiff early on, but softened up some with use and mileage.
Probably not a bad shock for what they cost.
I have Bilstein shocks on the 68 Barracuda. This is a different vehicle than the D150, but it is easy to tell that the Bilstein shocks has much better valveing for vehicle stability and for reducing the effect of road undulations.
Basically the Bilsteins are a much better shock. But they are also a much more expensive shock.


I'll get blistins for the front than. The problem is that I couldn't find any for the rear. For my D150 do you know of a Bilstin that would fit in the rear?


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PostPosted: Thu Feb 03, 2022 8:40 am 
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Supercharged

Joined: Wed Sep 17, 2008 6:48 pm
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Location: Indianapolis
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Contact PST directly, they are a Bilstein shock distributor and would know what is available.
PST is a FABO sponsor and they give 10% discounts to FABO members, you need to mention the discount when you place the order.
I have a front sway bar on the D150 that I got off an 85 D250 Camper Special that I found at a pull a part. I got a rear sway bar off the same vehicle but have never installed it.

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PostPosted: Thu Feb 03, 2022 10:13 am 
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3 Deuce Webber

Joined: Wed Mar 31, 2021 9:40 am
Posts: 88
Car Model: 1983 D150 Slantsix 4 speed
DadTruck wrote:
Contact PST directly, they are a Bilstein shock distributor and would know what is available.
PST is a FABO sponsor and they give 10% discounts to FABO members, you need to mention the discount when you place the order.
I have a front sway bar on the D150 that I got off an 85 D250 Camper Special that I found at a pull a part. I got a rear sway bar off the same vehicle but have never installed it.


PST?


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PostPosted: Thu Feb 03, 2022 2:28 pm 
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Supercharged

Joined: Wed Sep 17, 2008 6:48 pm
Posts: 3562
Location: Indianapolis
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Performance Suspension Technology
Google PST and look for the company mentioned above.

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Doo Ron Ron and the Duke of Earl are friends of mine.....
https://www.youtube.com/watch?v=uX8Nj8ABEI8


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PostPosted: Wed Feb 09, 2022 5:43 pm 
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Turbo EFI
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Joined: Wed Oct 12, 2005 9:00 pm
Posts: 2368
Location: kankakee IL
Car Model: 80 volare, 78 fury 2 dr, 85 D150
I haven't had good luck with either Monroe or kyb over the years.
The best shocks I have found have been Gabriel. I run their "ultras".


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PostPosted: Wed Feb 09, 2022 9:33 pm 
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TBI Slant 6
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Joined: Wed Aug 16, 2017 10:44 pm
Posts: 108
Location: Reading, Pa.
Car Model: 1982 D150 225, 2bbl., 833 OD
I'm a fan of the KYB Gas-a-Just monotube shocks. That's their medium duty model. I've had them on several trucks over the years, after the oem or Monroe's failed. I currently have them on the rear of my '82 D150. I had Monroe Gas magnums on the rear, but they were sacked in two years/10k miles. They also rode terribly. I did put new leaf springs on last year as one of the leaves was cracked. Replacements were the 4+1 lt. duty 1/2-inch eyebolt, "318" springs, replacing the "slant" 3+1's. I've had Monroe oem spectrums on the front for 4 years and they have been "OK". I do want to replace them with the KYB Gas-a-Justs as well, especially having a sway bar.

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1982 Dodge D150 ( Ram)
225 with A833OD. 2bbl. Non power brakes


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PostPosted: Thu Feb 10, 2022 4:53 am 
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Volaredon, you're back with us! Welcome back...

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PostPosted: Thu Feb 10, 2022 5:27 pm 
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Turbo EFI
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Joined: Wed Oct 12, 2005 9:00 pm
Posts: 2368
Location: kankakee IL
Car Model: 80 volare, 78 fury 2 dr, 85 D150
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PostPosted: Thu Feb 24, 2022 7:35 am 
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3 Deuce Webber

Joined: Wed Mar 31, 2021 9:40 am
Posts: 88
Car Model: 1983 D150 Slantsix 4 speed
volaredon wrote:
I haven't had good luck with either Monroe or kyb over the years.
The best shocks I have found have been Gabriel. I run their "ultras".


I've had some of those on my 02 silverado. But u really didn't like they way they rode.


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PostPosted: Thu Feb 24, 2022 7:36 am 
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3 Deuce Webber

Joined: Wed Mar 31, 2021 9:40 am
Posts: 88
Car Model: 1983 D150 Slantsix 4 speed
hank2 wrote:
I'm a fan of the KYB Gas-a-Just monotube shocks. That's their medium duty model. I've had them on several trucks over the years, after the oem or Monroe's failed. I currently have them on the rear of my '82 D150. I had Monroe Gas magnums on the rear, but they were sacked in two years/10k miles. They also rode terribly. I did put new leaf springs on last year as one of the leaves was cracked. Replacements were the 4+1 lt. duty 1/2-inch eyebolt, "318" springs, replacing the "slant" 3+1's. I've had Monroe oem spectrums on the front for 4 years and they have been "OK". I do want to replace them with the KYB Gas-a-Justs as well, especially having a sway bar.


I'll try those and see. Where I have the truck there is alot of dirt and gravel all over the place.


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PostPosted: Fri Feb 25, 2022 2:46 pm 
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Turbo EFI
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Joined: Wed Oct 12, 2005 9:00 pm
Posts: 2368
Location: kankakee IL
Car Model: 80 volare, 78 fury 2 dr, 85 D150
there is no such thing as "slant 6" and "318" leaf springs. in any range of trucks (100,150,200,250,300,350 etc) there were several "GVW" packages. Most were not dependent on engine size. Front coils? Fron the factory I think there were. In the Moog catalog they were grouped differently, I think /6 and smallblocks were clumped together.
In years they had both a "100" and a "150" the "100" was the lightest package GVW and the "150" was known as a "heavy half ton" or some called it a "5/8 ton".
At one point it was a way around adding emmissions "equipment"--or not.

for instance my current truck (emblems gone I think it's really a "D100") has a 4800 GVW. I have seen some "D100s" and "D150s" with as high as 6050 GVW. The biggest difference? An extra leaf on each side, in the rear springs.
I had an 83 D250. There were 3 levels of "D250" in 1983. One was ~6900, mine was 7500 and the heaviest was ~8600 GVW/ had nothing to do with what engines were/weren't available that year. The lightest variant had a 9-1/4 rear end with 8 lug wheels, while the 2 heavier ones had Dana 60 rear ends.


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PostPosted: Sun Feb 27, 2022 11:39 pm 
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TBI Slant 6
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Joined: Wed Aug 16, 2017 10:44 pm
Posts: 108
Location: Reading, Pa.
Car Model: 1982 D150 225, 2bbl., 833 OD
volaredon wrote:
there is no such thing as "slant 6" and "318" leaf springs. in any range of trucks (100,150,200,250,300,350 etc) there were several "GVW" packages. Most were not dependent on engine size. Front coils? Fron the factory I think there were. In the Moog catalog they were grouped differently, I think /6 and smallblocks were clumped together.
In years they had both a "100" and a "150" the "100" was the lightest package GVW and the "150" was known as a "heavy half ton" or some called it a "5/8 ton".
At one point it was a way around adding emmissions "equipment"--or not.

for instance my current truck (emblems gone I think it's really a "D100") has a 4800 GVW. I have seen some "D100s" and "D150s" with as high as 6050 GVW. The biggest difference? An extra leaf on each side, in the rear springs.
I had an 83 D250. There were 3 levels of "D250" in 1983. One was ~6900, mine was 7500 and the heaviest was ~8600 GVW/ had nothing to do with what engines were/weren't available that year. The lightest variant had a 9-1/4 rear end with 8 lug wheels, while the 2 heavier ones had Dana 60 rear ends.


Yes, I have just heard them called "slant 6" or "318" springs, but that's not entirely accurate as you have pointed out. On my '82 D150 which was one of the years that they had dropped the D100 label completely, I have the bottom of the line 4800 GVWR. I've forgotten what the rate rating was on the original springs which were 3+1 with the smallest 1/2 inch eye bolts. The replacements are 4+1, 1/2 in eyebolts, the only ones available for 1/2 inch. They're supposedly 1650# leafs. I'm sure they could have been found both in a slant or 318. Some years ago, I had an '88 D150 with 318 that I believe had a heavy half ton short bed spring set up. I think that was something like a 5800 # GVWR or more. Not sure if that was also 1/2 inch eyebolts or the next up 5/8 in. The heaviest used 3/4 in. eyebolts.

Front springs varied of course. My lightest duty front coils are not very stiff. I believe the factory shop manual has a coil spring application chart which they don't have in the current parts fiche anymore.

_________________
1982 Dodge D150 ( Ram)
225 with A833OD. 2bbl. Non power brakes


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