Here is a list of DIY articles and threads for the 6.5/6.2.
6.5L Diesel
FAQs and Information Here
Alternator - Upgrade to CS144 140 Amp Alternator
Alternator- Upgrade to AD244 130 Amp Alternator 96+ model years, plug n play
Alternator - Upgrade your alternator to a dual belt.
Battery Cables - How To Make Them
Battery Terminal Mod V1,
Battery Terminal Mod V2
Braided Stainless Hoses With AN Fittings - How To Make Them Without Special Tools
Clutch - How To Convert From Plastic Hydraulic Line to Metal Line
ECT Fooler For Better Cold Starts
Feed The Beast, Feed The Beast II
Front Brakes and Hubs - K3500 Truck
Front End Bushing Rebuild with Pictures
Fuel Filter Racor 230R10 WIF Detector Install With Pictures
Fuel Line Upgrade
Fuel Tank Removal/Install - Suburban
Gauges
Glow Plug Override
Glow Plug Harness
Headlight All-On Mod
Heat Shields For Hoses - How To Make
High Idle (OBD I)
High Idle (OBD II)
Home Made USB Scantool
Hydroboost Remove & Install Version 1 and Hydroboost Remove & Install Version 2
Injector rebuild
Intake Modifications
Inside LED Light Modification (Gauge cluster, AC/Fan controls, headlight switch, map/dome)
Intercooler Install "A" and Intercooler Install "B"
Keyless Entry, Remote Start and Alarm Wiring
Lift Pump (FASS Brand) Install
Oil Cooler Lines
Oil Filter - Remote Installation
OPS Relay Mod
Rocker Arm Retainer-Alternative Fix Option 1
Rocker Arm Retainer-Alternative Fix Option 2
Secondary 2 Micron Fuel Filter
Steering Stabilizer
TCC Lockup Mod (OBDI ONLY)
Touch Screen For Your Truck Mod
Tow Mirrors
Transfer Case Overhaul
Turbo Oil Drain - How To Make One
Water Mist Injection
Upgrade Your Turbo Threads
Turbo Upgrade
HX40W-II turbo
6.2L Diesel
6.2L FAQs
140Amp CS144 Alternator- Upgrade/swap and vbelt tensioner
Electronic Cruise Control Conversion
Fender Removal - 3rd Gen 1973-1987
Glow Plug Relay Mod - With Timer
Heater Box Overhaul
NP208 Rear Output Leak Fix Walk Through
DIY Oil Cooler Lines
S10 AC Box
Window Motor Relay Mod
6.5L Diesel
FAQs and Information Here
Alternator - Upgrade to CS144 140 Amp Alternator
Alternator- Upgrade to AD244 130 Amp Alternator 96+ model years, plug n play
Alternator - Upgrade your alternator to a dual belt.
Battery Cables - How To Make Them
Battery Terminal Mod V1,
Battery Terminal Mod V2
Braided Stainless Hoses With AN Fittings - How To Make Them Without Special Tools
Clutch - How To Convert From Plastic Hydraulic Line to Metal Line
ECT Fooler For Better Cold Starts
Feed The Beast, Feed The Beast II
Front Brakes and Hubs - K3500 Truck
Front End Bushing Rebuild with Pictures
Fuel Filter Racor 230R10 WIF Detector Install With Pictures
Fuel Line Upgrade
Fuel Tank Removal/Install - Suburban
Gauges
Glow Plug Override
Glow Plug Harness
Headlight All-On Mod
Heat Shields For Hoses - How To Make
High Idle (OBD I)
High Idle (OBD II)
Home Made USB Scantool
Hydroboost Remove & Install Version 1 and Hydroboost Remove & Install Version 2
Injector rebuild
Intake Modifications
Inside LED Light Modification (Gauge cluster, AC/Fan controls, headlight switch, map/dome)
Intercooler Install "A" and Intercooler Install "B"
Keyless Entry, Remote Start and Alarm Wiring
Lift Pump (FASS Brand) Install
Oil Cooler Lines
- Oil Cooler Lines - Removal Part 1
- Oil Cooler Lines - Removal Part 2
- Oil Cooler Lines - Installation Part 1
- Oil Cooler Lines - Installation Part 2
- How To Swap/Replace Faulty OEM Oil Cooler Lines with SS Braided (Pic Heavy)
Oil Filter - Remote Installation
OPS Relay Mod
Rocker Arm Retainer-Alternative Fix Option 1
Rocker Arm Retainer-Alternative Fix Option 2
Secondary 2 Micron Fuel Filter
Steering Stabilizer
TCC Lockup Mod (OBDI ONLY)
Touch Screen For Your Truck Mod
Tow Mirrors
Transfer Case Overhaul
Turbo Oil Drain - How To Make One
Water Mist Injection
Upgrade Your Turbo Threads
Turbo Upgrade
HX40W-II turbo
6.2L Diesel
6.2L FAQs
140Amp CS144 Alternator- Upgrade/swap and vbelt tensioner
Electronic Cruise Control Conversion
Fender Removal - 3rd Gen 1973-1987
Glow Plug Relay Mod - With Timer
Heater Box Overhaul
NP208 Rear Output Leak Fix Walk Through
DIY Oil Cooler Lines
S10 AC Box
Window Motor Relay Mod