Search results
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Rpo codes
7300 lb GVW comes with the territory (JD5 brake system). K- Keith Seymore
- Post #8
- Forum: Tech Discussion
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Rpo codes
GMC 1/2 ton Suburban, '87 model year, built in Flint. Most of the Suburbans built in that time frame were pretty highly optioned. Note that for GMC that year the VIN sequence started at 500001. Chevrolet started at 100001. K- Keith Seymore
- Post #5
- Forum: Tech Discussion
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Brake Pedal Ratio
4.49:1 for gas; 5.60 for diesel. K- Keith Seymore
- Post #2
- Forum: Suspension, Steering & Brakes
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Identify which rear drum brakes
Ah - I see somebody snuck another truck into the discussion. That is correct for a 350 = JB7. Diesel gets hydraboost, which is JDx. Gas gets vacuum, which is JBx. K- Keith Seymore
- Post #16
- Forum: Suspension, Steering & Brakes
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Identify which rear drum brakes
JD7 in your case ("D" = hydroboost, or diesel. "B" = vacuum). That defines the total brake system, not just the front. K- Keith Seymore
- Post #12
- Forum: Suspension, Steering & Brakes
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Identify which rear drum brakes
No. That's a date code.- Keith Seymore
- Post #11
- Forum: Suspension, Steering & Brakes
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Is this the original bed on my 85 Chevy k10
LWB (big tank) is 20 gallons. With my '80, which had dual tanks and a manual trans, you could run the tank dry (the truck would quit running), flip the switch and it would fire as soon as it got fuel and keep going. K- Keith Seymore
- Post #19
- Forum: Exterior
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Is this the original bed on my 85 Chevy k10
I should have got the dual tanks when I ordered my '87. One 16 gallon tank (probably 12 gal useable) is not much fuel. K- Keith Seymore
- Post #15
- Forum: Exterior
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Is this the original bed on my 85 Chevy k10
85 would be LH side for single tank; both side for dual tank. Gas door in either case. K- Keith Seymore
- Post #8
- Forum: Exterior
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Feels like front suspension 'bottoms out' over speed bumps.
You should be able to see up in there and see how much clearance you have statically (just sitting). You should also be able to look at the jounce bumpers and spring plates to see if there are witness marks that they have been hitting. If you are unsure you could also mark them up with chalk...- Keith Seymore
- Post #3
- Forum: Suspension, Steering & Brakes
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Side markers turn on when pressing brakes
Sounds like a grounding issue to me. K- Keith Seymore
- Post #5
- Forum: Electrical & Audio
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73 C10 Factory Hubcap Options
The RPO N67 Rally wheel was introduced in 1975. K- Keith Seymore
- Post #3
- Forum: Wheels and Tires
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73 C10 Factory Hubcap Options
..... https://www.gm.com/content/dam/company/no_search/heritage-archive-docs/vehicle-information-kits/chevrolet-trucks/1973-Chevrolet-Truck.pdf https://www.auto-brochures.com/makes/Chevrolet/Silverado/Chevrolet_US%20Truck_1973.pdf- Keith Seymore
- Post #2
- Forum: Wheels and Tires
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'73 Chevelle SS Wagon (local find)
I just realized this. K- Keith Seymore
- Post #330
- Forum: Other Vehicles
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Front rotor question
I suppose the first thing to check is to make sure it's the right SPID label in the glove box (make sure the VIN and other option content matches the truck). If it's a JB5 then it definitely originally had the 1.25" rotors and 2.75" rear brakes. If it doesn't have those now then somebody has...- Keith Seymore
- Post #2
- Forum: Brakes
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Cab To Bed Dimension
Thank you; I've done some writing but it is mostly on internet forums and in short form responses. I really don't have the time right now to collect and publish anything; plus - I'm still making history. ;) Here are some favorite links: Growing up in and around Pontiac racing...- Keith Seymore
- Post #11
- Forum: Exterior
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Cab To Bed Dimension
I've written a few numbers myself, but not that particular one. (I spent a summer in St Louis building prototype front of dash assemblies and loading them into the production process. That took a lot of writing). K- Keith Seymore
- Post #10
- Forum: Exterior
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G51 Rear Springs on R10 SWB
I would keep the same springs and take a leaf (or two) out of the existing pack, tuning to your preference. K- Keith Seymore
- Post #2
- Forum: Suspension, Steering & Brakes
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Cab To Bed Dimension
I did about 900,000 of those, over a six year period. One per minute all day every day. K- Keith Seymore
- Post #5
- Forum: Exterior
