6.2 injection pump stanadyne db2

jcsinga

Member
I need an injection pump on my old 6.2 diesel farm truck, I have a good pump from a 6.5 turbo non-electronic. Physically the same pump. Does anyone know if the innards are different or just turned up for a higher fuel output for the turbo? How much should I turn it down? I do know how.
 
6.5 uses bigger pump plungers. .31" instead of .29". I doubt you can turn it down enough to work well on a 6.2. 6.2 takes a DB2829 pump and 6.5 takes a DB2831 pump. Here's a list of all the 6.2 pumps.

If you can find one locally -I'll sell you one cheap. I have over dozen good pump laying around. Do NOT get a pump from before 1985 unless it's been repaired and updated. Older pumps have the plastic ring that breaks - just like in many farm tractors.

DB2829-4090 14050587 1982 LD C/K Truck C/K DB2829-4126 Note 1
DB2829-4091 14050588 1982 HD C/K Truck C/K DB2829-4153 Note 1
DB2829-4126 14050587 1982-83 LD C/K Truck C/K — —
DB2829-4127 14050526 1982 LD Truck - ALT. C/K — —
DB2829-4151 14061645 1983 P Truck (Motor Home) C/K — —
DB2829-4153 14050588 1982-83 HD C/K & P Truck C/K — —
DB2829-4187 14066280 1983 LD & HD C/K Truck - ALT. C/K — —
DB2829-4188 14066277 1983 LD G Van G — —
DB2829-4189 14066278 1983 HD G Van G — —
DB2829-4190 14066279 1983 LD & HD G Van - ALT. G — —
DB2829-4266 14077133 1984 P Truck (Motor Home) C/K — —
DB2829-4267 14077179 1984-85 CUCV (Military), HD C/K, D Truck C/K DB2829-4520 Note 2 except (d)
DB2829-4268 14077135 1984 HD G Van G — —
DB2829-4269 14077136 1984 HD C/K Truck - ALT. C/K — —
DB2829-4270 14077137 1984 HD G Van - ALT. G — —
DB2829-4274 14077168 1984 LD C/K Truck C/K DB2829-4425 Note 3
DB2829-4275 14077171 1984 LD C/K Truck - ALT. C/K DB2829-4426 Note 3
DB2829-4276 14077169 1984 LD G Van G DB2829-4427 Note 3
DB2829-4277 14077170 1984 LD G Van - ALT. G DB2829-4428 Note 3
DB2829-4305 14077134 1984 CUCV (Military), HD C/K, D Truck C/K DB2829-4267 Note 4
DB2829-4309 14077185 1984 LD C/K Truck - CAL. C/K — —
DB2829-4310 14077186 1984 LD G Van - CAL. (Man. Trans.) G — —
DB2829-4355 23500014 1984 HMMWV (Military) C/K DB2829-4471 Note 5
DB2829-4366 23500077 1984 LD G Van - CAL. (Auto. Trans.) G DB2829-4439 Note 5
DB2829-4386 23500256 1984-85 CUCV (Military), HD C/K, D Truck - 1.2 cSt C/K DB2829-4521 Note 2
DB2829-4410 23500251 1985 HD C/K & P Truck C/K DB2829-4544 Note 2
DB2829-4411 23500252 1985 HD G Van G DB2829-4509 Note 2
DB2829-4412 23500253 1985 HD C/K Truck - ALT. C/K DB2829-4510 Note 2
DB2829-4413 23500254 1985 HD G Van - ALT. G DB2829-4511 Note 2
DB2829-4425 14077168 1985 LD C/K Truck C/K DB2829-4502 Note 2 except (d)
DB2829-4426 14077171 1985 LD C/K Truck - ALT. C/K DB2829-4506 Note 2 except (d)
DB2829-4427 14077169 1985 LD G Van G DB2829-4503 Note 2 except (d)
DB2829-4428 14077170 1985 LD G Van - ALT. G DB2829-4507 Note 2 except (d)
DB2829-4437 23500273 1985 LD C/K Truck - CAL. C/K — —
DB2829-4439 23500275 1985 LD G Van - CAL. (Auto. & Man. Trans.) G — —
DB2829-4440 23500276 1985 HMMWV (Military) - 1.2 cSt C/K DB2829-4523 Note 2
DB2829-4441 23500277 1985 HD C/K & P Truck - 1.2 cSt C/K DB2829-4512 Note 2
DB2829-4471 23500398 1985 HMMWV (Military) C/K DB2829-4524 Note 2
DB2829-4502 23500400 1986-87 LD C/K Truck C/K — —
DB2829-4503 23500401 1986-87 LD G Van G — —
- 2 - P.B. 119R6
†† At the time of supersession parts and/or calibration changed as noted. Other changes may have occurred since.
Engine Systems
C/K — Injector - 84 mm length, 6 mm dia. nozzle valve; Lines - 2.50 mm I.D.; Delivery Valve Retraction - 30mm3
G — Injector - 74 mm length, 5 mm dia. nozzle valve; Lines - 2.00 mm I.D.; Delivery Valve Retraction - 22.5mm3
* — Injector - 74 mm length, 5 mm dia. nozzle valve; Lines - 2.36 mm I.D.; Delivery Valve Retraction - 22.5mm3
Notes
1 — Timing (Ref. S.B. 375)
2 — (a) Transfer Pump Filter; (b) Advance Piston (S.B. 393R3);
(c) Delivery Valve Stop & Spring (S.L. 250R2); (d) Governor Spring
3 — (a) Min-Max Governor Pushrod; (b) Non-grooved Metering Valve (S.B. 336R4)
4 — Housing; Drive Shaft Retention (S.B. 419)
5 — Min-Max Governor Pushrod

Model GM P/N Year Application
Engine
System Superseded by Changes††
DB2829-4506 23500404 1986-87 LD C/K Truck - ALT. C/K — —
DB2829-4507 23500405 1986-87 LD G Van - ALT. G — —
DB2829-4509 23500407 1986-87 HD G Van G DB2829-4646 Note 6
DB2829-4510 23500408 1986-87 HD C/K & P Truck - ALT. C/K — —
DB2829-4511 23500409 1986-87 HD G Van - ALT. G DB2829-4648 Note 6 exc. (b)
DB2829-4512 23500410 1986-87 HD C/K & P Truck - ALT. C/K — —
DB2829-4520 23500413 1986-87 CUCV (Military), HD D Truck C/K — —
DB2829-4521 23500414 1986-87 CUCV (Military), HD D Truck - 1.2 cSt C/K — —
DB2829-4523 23500415 1986-89 HMMWV (Military) - 1.2 cSt C/K — —
DB2829-4524 23500416 1986-89 HMMWV (Military) C/K — —
DB2829-4544 23500346 1986-88 HD C/K & P Truck C/K — —
DB2829-4548 23500587 1986-88 Industrial - 12V (Clark) C/K — —
DB2829-4554 23500931 1988-89 LD C/K Truck (Auto. Trans.) C/K — —
DB2829-4555 23500933 1988-89 LD C/K, R/V Truck - ALT. (Auto. Trans.) C/K — —
DB2829-4574 23501280 1987-88 Generator - 24V (Clark), 1800 RPM C/K Made from
DB2829-4548

DB2829-4581 23500932 1988-89 LD C/K Truck (Man. Trans.) C/K — —
DB2829-4582 23500934 1988-89 LD C/K Truck - ALT. (Man. Trans.) C/K — —
DB2829-4612 23501993 1987-88 Industrial - 24V (Clark), 3600 RPM C/K Made from
DB2829-4548

DB2829-4636 23500941 1988-89 LD G Van (Auto. Trans.) G — —
DB2829-4637 23500942 1988-89 LD G Van (Man. Trans.) G — —
DB2829-4638 23500943 1988-89 LD G Van - ALT. (Auto. Trans.) G — —
DB2829-4639 23500944 1988-89 LD G Van - ALT. (Man. Trans.) G — —
DB2829-4646 23502177 1988 HD C/K, R/V, P Truck & G Van G DB2829-4723 Note 7
DB2829-4647 23502178 1988 HD C/K, R/V, P Truck & G Van - 1.2 cSt G DB2829-4724 Note 7
DB2829-4648 23502179 1988 HD C/K, R/V, P Truck & G Van - ALT. G DB2829-4725 Note 7
DB2829-4655 23502229 1988-89 Industrial - 12V (Clark), 3600 RPM, 1.2 cSt C/K Made from
DB2829-4548

DB2829-4701 23503123 1988-89 LD R/V (Auto. Trans.) C/K — —
DB2829-4723 23503998 1989 HD C/K, R/V, P Truck & G Van G — —
DB2829-4724 23503999 1989 HD C/K, R/V, P Truck & G Van - 1.2 cSt G — —
DB2829-4725 23504000 1989 HD C/K, R/V, P Truck & G Van - ALT. G — —
DB2829-4779 10149610 1990 HD C/K, R/V, P Truck & G Van G — —
DB2829-4780 10149619 1990 HD C/K, R/V, P Truck & G Van - 1.2 cSt G — —
DB2829-4781 10149620 1990 HD C/K, R/V, P Truck & G Van - ALT. G DB2829-4877 Note 8
DB2829-4790 10149609 1990 LD C/K, R/V & G Van (Auto. Trans.) G — —
DB2829-4791 10149621 1990 LD R/V Truck & G Van (Auto. Trans.) - ALT. G — —
DB2829-4792 10149611 1990 LD C/K Truck (Man. Trans.) G — —
DB2829-4793 10149618 1990 LD C/K Truck (Man. Trans.) - ALT. G — —
DB2829-4801 10149623 1990 Industrial - 12V, 3600 RPM G — —
DB2829-4802 10149646 1990 Generator - 24V, 1800 RPM G Made from
DB2829-4801

- 3 - P.B. 119R6
GM Injection Pump Application and Supersession Guide
6.2 Liter Applications
†† At the time of supersession parts and/or calibration changed as noted. Other changes may have occurred since.
Engine Systems
C/K — Injector - 84 mm length, 6 mm dia. nozzle valve; Lines - 2.50 mm I.D.; Delivery Valve Retraction - 30mm3
G — Injector - 74 mm length, 5 mm dia. nozzle valve; Lines - 2.00 mm I.D.; Delivery Valve Retraction - 22.5mm3
* — Injector - 74 mm length, 5 mm dia. nozzle valve; Lines - 2.36 mm I.D.; Delivery Valve Retraction - 22.5mm3
Notes
6 — (a) Calibration; (b) Air Timing; Drive shaft Retention (Ref. S.B. 419)
7 — (a) Min-Max Governor Spring; (b) Transfer Pump Regulator Spring; (c) Advance Spring; (d) Calibration
8 — (a) Advance Piston; (b) Spring Side Advance Plug; (c) Advance Spring; (d) Calibration; (e) T.P. Regulator
(f) Housing Pressure Regulator/Return Connector

Model GM P/N Year Application
Engine
System Superseded by Changes††
DB2829-4803 10149647 1990 Industrial - 24V, 3600 RPM G Made from
DB2829-4801

DB2829-4804 10149648 1990 Industrial - 12V, 1.2 cSt G Made From
DB2829-4801

DB2829-4833 10149622 1990 Marine (Peninsular Diesel) G — —
DB2829-4840 10149679 1990 LD C/K Truck (Auto. Trans.) - ALT. C/K — —
DB2829-4847 10149679 1990 HMMWV (Military) G DB2829-4878 Note 8 exc. (e) & (f)
DB2829-4848 10149634 1990 HMMWV (Military) - 1.2 cSt G DB2829-4879 Note 8 exc. (e) & (f)
DB2829-4875 10149610 1991 HD C/K, R/V, P Truck & G Van * — —
DB2829-4876 10149619 1991 HD C/K, R/V, P Truck & G Van - 1.2 cSt * — —
DB2829-4877 10149620 1991-92 HD C/K, R/V, P Truck & G Van - ALT. * — —
DB2829-4878 10149633 1990½ HMMWV (Military) G — —
DB2829-4879 10149634 1990½ HMMWV (Military) - 1.2 cSt G — —
DB2829-4894 10183929 1991 LD C/K, R/V & G Van * — Notes 9 & 11
DB2829-4895 10183930 1991 LD C/K, R/V & G Van - ALT. * — —
DB2829-4959 10191495 1990 Marine - 3600RPM * — —
DB2829-4974 14098680 1991 Marine (Peninsular Diesel) - Turbo (250 hp) * — —
DB2829-4977 10154613 1992 LD C/K, R/V & G Van * DB2829-4894 Note 10
DB2829-4978 10154614 1992 LD C/K, R/V & G Van - ALT. * DB2829-4895 Note 10
DB2829-4979 10154615 1992 HD C/K, R/V, P & G Van * DB2829-4875 Note 10
DB2829-4980 10154616 1992 HD C/K, R/V, P & G Van - 1.2 cSt * DB2829-4876 Note 10
DB2829-4981 10154617 1992 HD C/K, R/V, P & G Van - ALT. * DB2829-4877 Note 10
DB2829-5048 10154678 1992 P Truck - 2500 RPM (120 hp) * — Note 10
DB2829-5050 10154699 1992 P Truck - 2600 RPM (135 hp) * — Note 10
DB2829-5055 10154685 1993 LD C/K, R/V, & G Van - ALT. * — Notes 10 & 11
DB2829-5056 10154684 1993 LD C/K, R/V, & G Van * — Notes 10 & 11
 
Thanks for the info jdemaris, yes I would be interested in a price on a good used pump, email is open. Thanks
 
I sent you and email. 6.2s came with two versions of pumps. One is the "light duty" pump made for 1/2 tons and Blazers. Has a slightly lower fuel delivery setting to meet emissions regs. Heavy duty pumps were made for 3/4 and 1 tons with the fuel screw turned up a bit.

The stuff bolted to the outside of the pumps will vary depending if used with a TH400 auto trans and if with emissions controls or not. All unbolts and swaps to any pump. VRV valve (vacuum regulator vavle) and TPS (throttle position switch).
 

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