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Making Horsepower and Horse Sense From Your Dyno

A dyno can give an engine builder an enormous wealth of information and even separate the truth from lies. It’s one thing for a builder to have an idea of what the engine he or she is building is capable of and quite another to know exactly what’s been created. That’s because a dyno, more

Surfacing Equipment Options

On older cast iron engines with conventional soft-faced head gaskets, as long as the surface finish on the cylinder head and block deck is roughly 60 to 100 microinches Ra (roughness average), the head gasket should cold seal and remain leak-free for the life of the engine. But on late model bimetal (aluminum head/cast iron

Blast Cleaning Technology

The future, they promised us, would be full of amazing things. We would be commuting in flying cars, we would be using robots to do most of our manual chores and space travel would be fairly routine. First, the future was 1984 – then it was 2001. Now, in 2005 we do have highly exotic

Shop Line

I have found differing torque values published for the 1.8L Toyota engine. What are the correct torque values? The AERA Technical Committee offers the following information regarding main bearing bolt torque specifications for 1998-2003 Toyota 1.8L 1ZZFE and 2ZZEGE engines. There has been some confusion as to the correct torque value for these engines. Some

Tech Notes

Engine Builders: The AERA Technical Committee offers the following information regarding engine failure on 1998-2004 Chrysler 2.7L VIN R, U & V engines. There have been reports of premature engine failure on these engines, failures that may include tensioner failures, oil consumption and engine bearing failure. It has been suggested that many of these failures

Machine Maintenance

Is your shop a safe place to work? Good question, isn’t it? What do I mean when I say is your shop safe? Let’s put everything into perspective. One injury could potentially cost you everything. Lest you think I’m being overly dramatic, consider this … while working on an important job your top machinist gets

Washington Way: Battle Over Heavy Duty OBD Repair Info Continues

In early 2003, the California Air Resources Board (CARB) decided to extend to heavy-duty vehicles the on-board-diagnostics information access rules then applicable only to automobiles and light duty vehicles. These access rules specify the information which the vehicle manufacturers have to make accessible from within the OBD system on their vehicles and from outside the

PERA’s Core Corner: Trying To Make Sense Out Of Detonation Sensors

Here it is the New Year and I’m sure many of us have gone through the challenge of making resolutions to lose weight, quit smoking and so on and so on. We’ll look back 3 months from now and try to make sense of how our resolutions got lost in the shuffle. This month we

Crank And Cam Polishing: Are You Smooth Enough?

Manufacturers are designing today’s engines with tighter tolerances and less room for error. They make more power, live longer, produce less noise, vibration and friction, burn less fuel and produce lower emissions. So in light of all this, it is more important than ever for engine builders to be as perfect, or near perfect, as

Piston Ring Technology: Stock and Performance

Piston rings have one of the toughest jobs inside an engine. They’re slammed up and down between the ring lands thousands of times a minute; they’re subjected to searing temperatures and extreme pressures; and they’re constantly scraping back and forth against the cylinder walls. In spite of all of this, the rings are expected to

Installing a cam timing gear on a 1.8L Toyota

I’ve been having trouble installing a cam timing gear on a 1.8L Toyota. Any advice? The AERA Technical Committee offers the following information regarding the camshaft timing gear installation for 1998-2003 Toyota 1.8L 1ZZFE engines. Some difficulty has been expressed while installing this gear as the gear rotates within its hub. A new camshaft timing

PERAs Core Corner

It seems that the thirst for knowledge on the Gen III GM engine applications is growing almost as aggressively as the information for the 4.6L Fords. I addressed the subject of Gen III long and short crankshafts in a recent column (See September 2004 Engine Builder Core Corner). But based upon the number of responses

What A Year It’s Been…What!? It’s Been A Year?

As I sit here pondering the many topics I could choose to write about for my last column of 2004, I’m suddenly struck by the unbelievable fact that it is December already! Of 2004! Where did 2003 go? What happened to April, for crying out loud? Of course, the holiday shopping days always seem to

Planning For Failure Can Save You When It Happens

It’s an old story. A customer brings in a rebuild job and you do your normal quality job. You dot all the I’s and cross all the T’s and walk away from the engine stand knowing you’ve done a good job. The customer pays and off he goes with his prize. You make the mortgage

What A Year It’s Been…What!? It’s Been A Year?

As I sit here pondering the many topics I could choose to write about for my last column of 2004, I’m suddenly struck by the unbelievable fact that it is December already! Of 2004! Where did 2003 go? What happened to April, for crying out loud? Of course, the holiday shopping days always seem to

Tractor Pulling: It’s Not Your Granddad’s John Deere Anymore

Tractor pulling has been with us for as long as there have been tractors. Farmers used to pull their horses, mules or oxen and, just as today, each bragged that he had the biggest and strongest. Today, at the top echelons of pulling, the technology is equal to anything else in motorsports. Although you won’t

What’s Hot In Performance – Cams, Lifters & Rockers

The camshaft is really the heart of every performance engine because the cam defines the engine’s breathing potential, its torque curve and peak horsepower. The camshaft controls when the valves open, how quickly they open, how far they open (with some help from the rocker arms), how long the valves are held open, and when

Not So Stock: NASCAR Motors and Their Street Counterparts

The engines in NASCAR’s newly introduced Strictly Stock class of stock car racing in 1949 were literally stock, right off the dealer’s showroom floor. Today, they’re anything but. So what happened? Evolution. Like any sport or industry, evolution has moved NASCAR racing to where it is today, a multi-million dollar business. The engines, called ‘motors’

PERA’s Core Corner

I am convinced that the 4.6L Ford SOHC V8 engine casting component proliferation is attempting to compete with the children’s movie “The Never Ending Story:” it just keeps changing as it goes along for no apparent reason. However, what we are going to look at today is more of a James Bond mystery since no

Jeeps: 4.0L Cylinder Heads

  The 4.0L came on the scene in 1987 and is still being used, however 2005 may be the end of the journey in domestic production. It’ll be a bittersweet farewell: most who have it love it. This is an old school inline six with lots of torque and there are still many of them