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Old 09-14-2019, 02:14 PM   #1
kwmech
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Worth messing with?

Got a call about a 1990 4x4 flatbed for sale. 1 ton, 454, auto. Find out it is a light duty 1 ton (8600lb gross). Converted to dually with spacers. Has a tilt bed. 195k on the speedo, will not pass the smog nazi inspection. Couple of low compression cylinders. Needs interior work, pretty much trashed being a contractors truck. Trans was supposedly rebuilt about 2 years ago (T400). Engine partially apart, but not too far. I can get to my house for 600 including towing. I'm on the fence on this one............worth it? Thinking about maybe parting it
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Old 09-14-2019, 02:36 PM   #2
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Re: Worth messing with?

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Originally Posted by kwmech View Post
Got a call about a 1990 4x4 flatbed for sale. 1 ton, 454, auto. Find out it is a light duty 1 ton (8600lb gross). Converted to dually with spacers. Has a tilt bed. 195k on the speedo, will not pass the smog nazi inspection. Couple of low compression cylinders. Needs interior work, pretty much trashed being a contractors truck. Trans was supposedly rebuilt about 2 years ago (T400). Engine partially apart, but not too far. I can get to my house for 600 including towing. I'm on the fence on this one............worth it? Thinking about maybe parting it
If it's more than $400 - 500 I wouldn't bother.
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Old 09-14-2019, 04:03 PM   #3
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Re: Worth messing with?

The big block is worth $600 by itself if you part it.
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Old 09-14-2019, 09:27 PM   #4
kwmech
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Re: Worth messing with?

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The big block is worth $600 by itself if you part it.
Really a worn out TBI 454? whoda thunk
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Old 09-15-2019, 08:17 AM   #5
b454rat
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Re: Worth messing with?

It won't have good heads (less they were swapped) but the lower end is the same as older big blocks. I had 2 TBI454s that year range and ran awesome. Nothing special, but I'd get it. I want another one lol.
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Old 09-15-2019, 05:49 PM   #6
kwmech
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Re: Worth messing with?

Been thinking more about picking it up and parting it. Just have to find the time to disassemble and stash parts away
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Old 09-15-2019, 06:30 PM   #7
95 S_Trucker
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Re: Worth messing with?

At 8600 gvw, it’s probably a 3/4 ton
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Old 09-15-2019, 08:31 PM   #8
kwmech
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Re: Worth messing with?

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At 8600 gvw, it’s probably a 3/4 ton
Probably, or a light duty 1 ton----haven't looked at the vin yet. Frame didn't look very stout for a 1 ton
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Old 09-15-2019, 08:38 PM   #9
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Re: Worth messing with?

Being a 90 it won't be an HD, they didn't come out till 91.
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Old 09-15-2019, 09:32 PM   #10
95 S_Trucker
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Re: Worth messing with?

6000-6200 gvw, 1/2 ton
7200 (f44 rpo) 1/2 ton
7200 light duty 3/4 ton
8500-8600 3/4 ton
9200+ 1 ton

The 3500hd trucks aren’t 1 ton. They are 15000 gvw.


Either way, it sounds like it may be worthwhile. In my opinion, the amount of rust would be a deciding factor.
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Old 09-15-2019, 10:45 PM   #11
kwmech
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Re: Worth messing with?

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Originally Posted by 95 S_Trucker View Post
6000-6200 gvw, 1/2 ton
7200 (f44 rpo) 1/2 ton
7200 light duty 3/4 ton
8500-8600 3/4 ton
9200+ 1 ton

The 3500hd trucks aren’t 1 ton. They are 15000 gvw.


Either way, it sounds like it may be worthwhile. In my opinion, the amount of rust would be a deciding factor.
We're in Calif---what's rust?
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Old 09-16-2019, 08:53 PM   #12
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Re: Worth messing with?

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Originally Posted by 95 S_Trucker View Post
6000-6200 gvw, 1/2 ton
7200 (f44 rpo) 1/2 ton
7200 light duty 3/4 ton
8500-8600 3/4 ton
9200+ 1 ton
Just like there is a light and heavy gvw 3/4ton there is also a light and heavy duty 1ton in 88-98's.
For instance, a light 3/4ton uses the same brake caliper as a heavy 1/2. A light 1ton uses the same caliper as a heavy 3/4ton.
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-98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes.
-02 Suburban 4x4: leveled front
-CBR600F4i, CBR600RR, CBR1000RR, and standup skis
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Old 09-24-2019, 08:15 AM   #13
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Re: Worth messing with?

A light 1 ton (3500) is a single rear wheel @ 9,200 GVW. The dual rear wheel 1 ton (3500) is 10,000 GVW. The 8,600 GVW is the 8-lug 3/4t (2500) and the 7,200 GVW is the 6-lug 3/4t (2500) with 14-bolt semi-floater. The 7,200 GVW 1/2t (1500) has the 14-bolt semi-floater.
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