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6.5L Diesel Engine Discuss the 6.5 GM diesel engine & associated components. Automatic transmission questions & problems belong in the 4L80/85 - 4L60E - 6L90 Transmission Forum

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Old 03-21-2019, 01:39 AM   #11 (permalink)
ak diesel drive
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kinda surprised you didn't throw new rings at it while you were in there

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96 k2500 214000 miles GL4, turbomaster, 4" exhaust, vac pump delete, marine injectors, -1.94 TDCO
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Old 03-21-2019, 10:16 AM   #12 (permalink)
bk95td
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Quote:
Originally Posted by ak diesel drive View Post
kinda surprised you didn't throw new rings at it while you were in there
I could only find 1 brand of rings for one cylinder. It was a brand I never heard of. I didn't see the need to replace them all and go through getting the cylinders all checked for size and taper. I believe the cost of just new rings for all 8 cylinders was near $300.
My current 93 daily driver got rings in one cylinder. That cylinder had bad rust pits at the bottom of the bore. It runs great and doesn't have excessive blow by.
In this engine, the bore is in good shape. No pitting or obvious damage. I feel it's a good bet that it will be fine. If not, It will only cost some time and a few gaskets. I do have 3 sets of new STD Mahle pistons with rings. Bores would all have to be checked and honed to see if they would fit. Re-bushing the rods would go with that. It kind of snowballs and ends up costing a few $$$ to do. This one may run fine for a long time the way it is.

__________________
91 K2500LD reg cab 6.2 4L60 deceased at 310k
92 k2500hd 6.5 4L80E std cab died of frame cancer285 k
4- 93 k2500hd 6.5 2-4L80E 2-NV4500 2-ex-cab 2 std
94 K2500HD 6.5td 4L80E new reman engine
94 K2500HD 6.5td NV4500 Std cab LB
2-94 K1500 Ex cab 6.5TD 4L80E 1-LB parts truck 1-SB
94 k25000 Suburban 6.5td 4l80E
95 tahoe 2 dr 6.5 4L80E needs HG or engine
95 k2500LD 6.5 4L80E std cab bad trans
95 k2500hd 6.5 4L80E ex-cab
2-95 K2500 Suburban 6.5TD 4L80E both need engines
97 k2500hd 6.5 4L80E std cab
97 k3500 C&C 6.5 4L80E std cab needs engine
98 k2500 hd 6.5 4L80E std cab bad trans
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Old 03-21-2019, 10:46 AM   #13 (permalink)
bk95td
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Next up was cleaning and painting the heads and top of block. The valve covers and oil pan are extras that I put on to cover while painting. I masked over the intake and exhaust ports. Also took the timing cover off to paint the block.
After 2 coats of primer and 4 coats of paint , I put the timing cover back on with the gasket. The pre-painted valve covers went on with RTV, no gaskets. Usually the valve covers are warped and will not seal with gaskets.
This engine didn't have a harmonic balancer and pulley. I had a low mile GEP balancer and used pulley that was in good shape.
The lower intake as next. It is the one that came with the engine. It took lots of cleaning. Mice had a large nest in it . The aluminum was pretty oxidized from them peeing in there. The intake ports in the heads required extra cleaning also.
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__________________
91 K2500LD reg cab 6.2 4L60 deceased at 310k
92 k2500hd 6.5 4L80E std cab died of frame cancer285 k
4- 93 k2500hd 6.5 2-4L80E 2-NV4500 2-ex-cab 2 std
94 K2500HD 6.5td 4L80E new reman engine
94 K2500HD 6.5td NV4500 Std cab LB
2-94 K1500 Ex cab 6.5TD 4L80E 1-LB parts truck 1-SB
94 k25000 Suburban 6.5td 4l80E
95 tahoe 2 dr 6.5 4L80E needs HG or engine
95 k2500LD 6.5 4L80E std cab bad trans
95 k2500hd 6.5 4L80E ex-cab
2-95 K2500 Suburban 6.5TD 4L80E both need engines
97 k2500hd 6.5 4L80E std cab
97 k3500 C&C 6.5 4L80E std cab needs engine
98 k2500 hd 6.5 4L80E std cab bad trans

Last edited by bk95td; 03-21-2019 at 10:47 AM.
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Old 03-21-2019, 09:14 PM   #14 (permalink)
crankme69
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Looking good Bud!
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1995 1500 Silverado 6.5TD 2WD Ext Cab 246K, FSD cooler bumper mount, Buddy 3 pos chip, DE 4" exhaust, K47 with F intake

1995 Tahoe 6.5TD 217K Buddy chipped cat & muff delete

1994 1500 Silverado 6.5TD 2WD RCLB 208K Buddy chip F intake, daily work commuter 21mpg avg

2005 FLHTC 107 Twin Cam Tman 625 cams, 10.1 CR, Mik 45, DTT map, 3.37 final, E1 clutch & VPC with SE 6 sp, SnS roller rockers Bub 7 2 into 1 exhaust, 120Tq & 120Hp

1995 FXD 80 EVO V Thunder 2015 cam, Mikuni 42, SE slip ons, 80Tq & 70Hp

Last edited by crankme69; 03-21-2019 at 09:15 PM.
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Old 03-22-2019, 01:57 AM   #15 (permalink)
ak diesel drive
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https://www.ebay.com/itm/Hastings-ri...UAAOSw3eRcka7S
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96 k2500 214000 miles GL4, turbomaster, 4" exhaust, vac pump delete, marine injectors, -1.94 TDCO
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Old 03-22-2019, 08:19 PM   #16 (permalink)
bk95td
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Quote:
Originally Posted by ak diesel drive View Post
That didn't come up when I looked a couple months ago. I would have bought Hastings rings for one cylinder.
I did a ebay and Google search at the time and checked rock auto, summit racing and a couple other parts sites.
The rings on the pistons had no real obvious damage. Just stuck in place because of the dent in the top.
__________________
91 K2500LD reg cab 6.2 4L60 deceased at 310k
92 k2500hd 6.5 4L80E std cab died of frame cancer285 k
4- 93 k2500hd 6.5 2-4L80E 2-NV4500 2-ex-cab 2 std
94 K2500HD 6.5td 4L80E new reman engine
94 K2500HD 6.5td NV4500 Std cab LB
2-94 K1500 Ex cab 6.5TD 4L80E 1-LB parts truck 1-SB
94 k25000 Suburban 6.5td 4l80E
95 tahoe 2 dr 6.5 4L80E needs HG or engine
95 k2500LD 6.5 4L80E std cab bad trans
95 k2500hd 6.5 4L80E ex-cab
2-95 K2500 Suburban 6.5TD 4L80E both need engines
97 k2500hd 6.5 4L80E std cab
97 k3500 C&C 6.5 4L80E std cab needs engine
98 k2500 hd 6.5 4L80E std cab bad trans
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Old 03-23-2019, 10:43 PM   #17 (permalink)
bk95td
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First off, The lower intake is not bolted down yet. That comes after the IP and high pressure lines are on.
Many more parts cleaned , primed and more colors beginning to come to life.
I picked out a DS4 injection pump to use. I just got this 5067 on a trade deal. It has the green tag, so it has been rebuilt and updated.
The water pump I will be using is a new 97 HO pump. It uses the bolt on fan clutch and has much higher flow than the standard 93 pump that came on this engine originally. Also put a new AC Delco 195 thermostat in. On the coolant crossover, I replaced the quick connect for the heater hose with a restricted hose nipple. Same as used on 91 6.2s.
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__________________
91 K2500LD reg cab 6.2 4L60 deceased at 310k
92 k2500hd 6.5 4L80E std cab died of frame cancer285 k
4- 93 k2500hd 6.5 2-4L80E 2-NV4500 2-ex-cab 2 std
94 K2500HD 6.5td 4L80E new reman engine
94 K2500HD 6.5td NV4500 Std cab LB
2-94 K1500 Ex cab 6.5TD 4L80E 1-LB parts truck 1-SB
94 k25000 Suburban 6.5td 4l80E
95 tahoe 2 dr 6.5 4L80E needs HG or engine
95 k2500LD 6.5 4L80E std cab bad trans
95 k2500hd 6.5 4L80E ex-cab
2-95 K2500 Suburban 6.5TD 4L80E both need engines
97 k2500hd 6.5 4L80E std cab
97 k3500 C&C 6.5 4L80E std cab needs engine
98 k2500 hd 6.5 4L80E std cab bad trans

Last edited by bk95td; 03-23-2019 at 10:46 PM.
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Old 03-23-2019, 11:52 PM   #18 (permalink)
Sirleitet
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DS4.... *Shivers*
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1995 Chevrolet Cheyenne K2500 6.5TD / Suzuki Katana GS650G
Mods: Racor 690r fuel filter/w heater, new front face, new radiator and support bushings. Repaired both cab corners & frame. (Rust.)
Relocated PMD, DIY extended wiring harness. # of PMD replaced since owned truck in 2013: 5.
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Old 03-24-2019, 08:43 AM   #19 (permalink)
crankme69
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My motor (oops fraudulent slip) LOL) I mean your motor is coming together very nicely!!!
__________________
1995 1500 Silverado 6.5TD 2WD Ext Cab 246K, FSD cooler bumper mount, Buddy 3 pos chip, DE 4" exhaust, K47 with F intake

1995 Tahoe 6.5TD 217K Buddy chipped cat & muff delete

1994 1500 Silverado 6.5TD 2WD RCLB 208K Buddy chip F intake, daily work commuter 21mpg avg

2005 FLHTC 107 Twin Cam Tman 625 cams, 10.1 CR, Mik 45, DTT map, 3.37 final, E1 clutch & VPC with SE 6 sp, SnS roller rockers Bub 7 2 into 1 exhaust, 120Tq & 120Hp

1995 FXD 80 EVO V Thunder 2015 cam, Mikuni 42, SE slip ons, 80Tq & 70Hp
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Old 03-24-2019, 04:16 PM   #20 (permalink)
bk95td
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Quote:
Originally Posted by Sirleitet View Post
DS4.... *Shivers*
I've never had actual pump problems with a ds4. I've had trouble with at least a couple DB2s. It's all in learning to deal with problems. Learning can be expensive on either model.

__________________
91 K2500LD reg cab 6.2 4L60 deceased at 310k
92 k2500hd 6.5 4L80E std cab died of frame cancer285 k
4- 93 k2500hd 6.5 2-4L80E 2-NV4500 2-ex-cab 2 std
94 K2500HD 6.5td 4L80E new reman engine
94 K2500HD 6.5td NV4500 Std cab LB
2-94 K1500 Ex cab 6.5TD 4L80E 1-LB parts truck 1-SB
94 k25000 Suburban 6.5td 4l80E
95 tahoe 2 dr 6.5 4L80E needs HG or engine
95 k2500LD 6.5 4L80E std cab bad trans
95 k2500hd 6.5 4L80E ex-cab
2-95 K2500 Suburban 6.5TD 4L80E both need engines
97 k2500hd 6.5 4L80E std cab
97 k3500 C&C 6.5 4L80E std cab needs engine
98 k2500 hd 6.5 4L80E std cab bad trans

Last edited by bk95td; 03-24-2019 at 04:17 PM.
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