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About size . . . the 6.2 diesels in Ck and later V series trucks use the same size batteries as used in gas engines. They just use two instead of one. The battery trays are also the same size as gas versions. For the diesel, there is one tray on each fender well and nothing in the AC system...

All non-turbo diesel engines have less horsepower and torque then gas engines - when they have equal bore and stroke and size. It's not a special design, they are all like that. With farm tractors that get sold by horsepower, a typical 35 horse tractor with have a 152 diesel or a 135 c.i...

I've got 28 civilian 6.2 diesel trucks, Blazers, and Suburbans. Years range from 1982 to 1992. Every one of them has dual battery trays with dual batteries - AC or no AC. The only full size diesel civilian truck ever made from 70s - 90s that has one battery instead of two is the 1st...

A few addded comments. Even K5 Blazers with perfect suspensions won't alway track perfectly straight, especially with oversize tires on bumpy roads. That's due to the short wheelbase. A perfect engine might run kind of lousy when first started if it's cold. Not all good engines were...

I'm not sure what you are calling "bashing." There is plenty of incorrect info floating around, but reporting known problems is not what I'd call "bashing." I give the original GM (not Obama's) credit for being the the only USA automaker to build their own diesel for use in 1/2 ton trucks...

Back early 80s, I saw many 6.2s get removed and condemned for what were really simple problems. That because of the Oldsj-350 fear. Like I said, I'm glad. I saw a few 6.2s with only 30K miles get pulled and trashed when all that was wrong was the glow plugs - or failed plastic ring inside...

Yes, but you certainly need more then a few tank-fulls to get an accurate reading. At many pumps, it''s impossible to truly fill a diesel tank in a Blazer or pickup. The factory filller neck is too small. They pump diesel too fast an load it with air, causing it to foam. All depends on the...

27-30 MPGs defies reason and physics. No offense, but I don't believe you. Maybe you actually believe those figures - and if so, I have no idea why. I've met with a few people that made such claims and every one I had a chance to check, got nowhere near those figures. If you DO actually...

The only engine I know of that shared anything with the 6.2 diesel, is the old V6 Toroflo GMC diesel 478 c.i. engine. It has the same stroke as the 6.2, but shares no parts. They do both use the Ricardo Comet disesl precombustion chamber design (I think). After the disaster GM had with...

I towed a 3000 lb camper trailer for 5000 miles with a 6.2 diesel Blazer with a T400 trans and 3.08 axles. Overall fuel use average of 13 MPG and on many steep hills my top speed was 35 MPH. This was a full height camper trailer with lots of wind drag. The wind drag is a bigger factor then...

Note that I am NOT a 6.2 diesel basher. I own over twenty 6.2 powered vehicles and have been working on them, and driving them since they were invented. That being said, the 6.2 is a light-duty, low-torque diesel engine . It uses a rotary distributor-type injection pump that is the WORST thing...