A Forgotten Decade: Identifying Cadillac Cylinder Heads From The 1980s
Forthe Cadillac 4.1L engine there are only two cylinder heads, one thathas a somewhat oval combustion chamber (see illustrations) that iscommonly referred to as the “non-swirl” and produces a published 8.5:1compression. The second head has a somewhat heart shaped combustionchamber and is referred to as the “swirl” head and produces 9.0:1published compression. When using the
Eliminating The Low Oil Pressure Gremlin
Whether you’re a Production Engine Remanufacturer (PER) or a Custom Engine Builder (CER), this issue has shown up in yourwarranty or complaint area like the nasty gremlin that it is. So let’sgo on a journey and see what you think. "Low Oil Pressure" is the frightening gremlin of which I speak! Here isthe situation: your
CAT 3208 Cylinder Block Identification
The turbo block has two vents for the lifter chambers of the block that the non-turbo does not have. Figure 1shows the rear lower extremity of the “V” of both blocks. The non-turboblock is plain and just follows suit with the rest of the casting. Thecounter bored and threaded hole (red circle) is where the
Get Your Bearings
Have you ever heard the phrase “old wives’ tales”? My father used itall the time whenever something didn’t seem to make sense to him forthe moment. For instance, most everyone knows these: “Don’t cross youreyes or they’ll stay that way” and “feed a cold, starve a fever.” Like I said, they’re “old wives’ tales.” They
Rebuilding the CAT 3208 Diesel
Since information from Caterpillar is always held very tight within the family it was very hard to get an accurate history of how the relationship all came about, so if I’m a bit off in my timeline, forgive me. I assure you, it won’t affect the content of this article. The bottom line is, Ford
EngINtel: Recycled Coolant
There isn’t one of us who has not been affected or knows someone who has been affected by the economic crisis, downturn, recession or whatever catch phrase is being used this week in an effort to try and keep us from focusing on one reality that we all are aware of – the cupboards are
Variable Valve Timing
With all the scientific technology computing power out there in the world today I have yet to hear an answer to the age old question: What came first, the chicken or the egg? Well the automotive industry has a similar dilemma that continues to plague its existence. Which is more desirable, large displacement and horsepower
EngINtel: In Lightweight Land Rockets Or Huge Ships, Bedplates Have Presence In Today
Today’s engines are smaller, lighter, more fuel efficient and have the highest output per displacement than at any other time in the history of the automotive industry. With these advantages have come designs that must be able to withstand loads and pressures that go way beyond the large displacement OHV, oil leaking, fuel guzzling street
EngINtel: Practical Builder Tips To Common Questions
Since you all indulged me last month with editorial musings, thismonth will be a couple of Practical Builder Tips (PBTs) that shouldkeep you out of hot water from time to time. They’re somewhat genericbut have been popping their ugly heads in all types of engines and theyhave no manufacturer preference so no one is immune.
Ram Tough Rebuild
The B-series Cummins engine may potentially go down in history as the single most important engine development project, strategic market share gain and opportunity for diversification partnerships in Cummins history. The Cummins B-series is a family of four- and six-cylinder inline engines known as the “one-liter per cylinder” in both the popular 3.9L four-cylinder and
More Ammunition For The Ongoing War On 4.6L/5.4L Ford Engine Misinformation
If there is a war being waged in the automotive aftermarket right now, it is one of information. More precisely, it is too often the fact that victims are suffering because of the lack thereof. Be it the “Right to Repair Act,” casting proliferation or parts proliferation, what we need to know is all changing