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Any military suplus dealers in your area? I know there are brand-new 10 bolt, 3.08 axles from military Blazers for sale all over the place. Usually around $400, front or back. For $400, I could buy a complete diesel Blazer - but depends on what you can find and how much money you want to...

The Stanadyne pump is self-bleeding. Cracking lines can make thing easier - but it will prime and start on its own. If it's starting and quitting, you've probably got a constant source of air coming into the suction line. Get a small fuel tank, lay it on the hood, and hook it direct to the...

I think the fuel mileage difference is more then "slight." I've got a 79 Blazer with a 400 SB gasser, T400 trans and a Chalet camper body. Best fuel mileage ever was 10.2 MPG, but 9 MPG is more common. I've also got an 86 Blazer diesel with a 79 Chalet camper body. Weighs the same as the...

Many have made that mistake since the 6.2 first came out. I'm glad. It's one reason why so many good 6.2s got junked with minor problems. I've gotten many for free, or close because of the undeserved bad-rap. 350 diesel has an Oldsmobile bolt pattern and won't fit any transmissions used on...

That old Blazer has a 12 bolt rear and a 208 transfercase? I have never seen one like that. I've got a 79 and an 80 here. Both have 205 transfer cases, 12 bolt rears, and the slip-joint built into the driveshaft - unlike the 1982-1991 Blazers. Bigger tires give worse fuel mileage. Best...

I wouldn't call the plastic tabs in 208s and 241s "cheap." Just a change in technology. All these cases have their pros and cons. 208 and 241 chain-drive units have a much nicer low-range then the all-gear-drive 205. The plastic tabs cut down a bit on high-speed vibration. I ruined the 205...

500K My Arse! I would not want to use your "ARSE" as an information source for anything. In reference to my 87 that lasted to 520K? Believe whatever you want. I find that most 6.2s and 6.5s fail beyond repair by 220K. Not all, though. My 87 was bought new by a friend of mine. 3/4 ton...

Not true. Many 6.2s develop cracks at the main-bearing webs, regardless of how well treated. Some fail by 100K and some last much longer. 200K seems to be an average fail-point. 1983-1991 #660 blocks seem to be the worse. 1982 blocks -also marked #660, seem to have less of a problem. The...

The first vanes used in the DB pumps were one piece fiber. Mid-60s it got upgraded to four-piece spring-loaded steel vanes that self-adjust. With the DB2 pumps, there was always those steel vanes as standard, or hardened steel vanes as an "arctic fuel kit." It's that kit that the military...

Which Detroit are you suggesting? I had a 3-53 in a 1/2 ton pickup and it was awful. Too heavy for the front-end, noisy,and gutless. You'd need a 4-53 or 4-71 ot make the same power as a 6.2, and those engines weigh twice what the 6.2 does. They also don't match any GM automotive...

An 82 Blazer won't have a 12 bolt rear unless someone swapped it in there. So, I assume it's a 79- 81 Blazer. The pinion flange probaly takes a different u-joint than your Blazer takes. 1972-1981 Blazer take a #369 joint and a 1982-1991 takes a # 534G if automatic and a #331 if manual...

The pumps are all basically the same for 6.2s. C-code has less max fuel delivery setting and . . . if from an automatic (700R4 and 4L60) - will have a TPS switch attached to the throttle that your truck won't use. That TPS contols converter lock-up and some emissions controls. If from a...

Water-in-fuel-light comes on when the filter is plugged, even if there is NO water present. I'm kind of wondering why you didn't change the filter when you saw the light on? Or, at least, purge the filter housing to make sure there was no water in there. I carry spare fuel filters in all my...

A 6.2 can be made reliable, but it might not ever have the power you want. No matter what you do to it, it will always be a light-duty, short-stroke diesel. A SB gas engine is almost a direct-fit swap. In a civilian vehicle, even the y-pipe for the gas engine exhaust fits the 6.2 diesel and...

The C-code nozzles had a spray pattern that made the most efficient use of small precombusion chambers. It was only slightly different for J-code, military, and commercial-duty nozzles. Over the years, new nozzles have taken the place of older ones - so one general--purpose nozzle fits all...

You have ME stumped. I've been repairing injection pumps for 40 years and I've never heard of a "rotor button." The "head & rotor" in a Stanadyne Roosamaster can get damaged from thin fuel and/or overheating or cold-shock. If worn it often results in an engine that runs fine, starts fine...

I'd just do a Websearch and buy from whoever has the best deal. Last one I got came from this place: Auto Performance Engineering - Walbro fuel pumps and more

Stanadyne models 80 and FM100 both have built in heaters.

Smoke from a diesel is from unburned oil - either engine oil or diesel oil. Bad injectors, incorrect injection/ignition timing, excess fuel delivery, low compression, lack of air, can all cause the problem. In your case, if most of the problem is from only one side of the engine - that...

Keep in mind that the DB2 pumps rarely actually get rebuilt. They get torn apart, cleaned, resealed, and few minor new parts installed. The bulk of the moving, metal parts get used over -as-is, with no renewal process. Pumps get calibration checked or set, and sent back to you. It's about a...