Power Adders: Turbos, Blowers and Nitrous
The engine can only inhale so much air because the atmospheric force that’s pushing air into the engine is only 14.7 lbs. per square inch at sea level. To make matters worse, atmospheric pressure decreases with elevation. Air density also decreases with temperature because hot air is thinner than cold air. Most stock naturally aspirated engines
New Products for Modern V8 Engines
The numbers aren’t there yet, but engine builders and suppliers are taking notice of the new V8s. What has taken so long? For one, the new engines are more expensive and more complex. Some shops do not have the capability or expertise to work on them just yet, but more and more shops do. One
3-angle Seat Cutting Tips
Goodson Tools and Supplies for Engine Rebuilders suggests using Carbide Pilots for precise and high-quality valve seat and bowl work. 1. Carbide pilots offer the following advantages: Carbide Pilots help keep tooling cutting true. When cutting 3-angle seats, counterboring for seat rings or using Bowl Hogs to enlarge valve bowls, the resistance of the workpiece
Engine Options Abound In The Street Rod Market
The National Street Rod Association (NSRA) provides the best definition of what street rods are all about. “By definition a street rod is an automobile of 1948 or earlier manufacture which has undergone some type of modernization to include any of the following; engine, transmission, interior refinements, and any other modifications the builder desires. In
Benefits of Water/Methanol Injection
Some companies such as Snow Performance and AEM are now offering easy to install water/methanol injections systems that are available for naturally aspirated or forced induction gasoline and diesel applications. These systems inject a roughly 50/50 mixture of methanol and water into the engine using a high-pressure pump. This mixture allows for more ignition timing,
Making Dollars and Sense Cleaning Blocks, Heads
Unless you’re starting with all new parts, cleaning is as important to your engine build as disassembly, inspection, machining and reassembly. Without taking the cylinder heads and engine blocks down to bare metal, you can’t properly inspect the castings for cracks, wear and other defects. For something so important, proper cleaning technique is often misunderstood, overlooked
Tips For Selecting The Proper Circle Track Cam
This isn’t always your fault, but this is often followed by the racer selling the cam to a fellow racer who thinks it’s the best cam he ever ran. Why did this cam work so well for one racer and not for another? The reasons can be many. The following are some tips for selecting
Gasket Surface Machining is Critical to Cylinder Head Repair
According to this representative, the relatively short production life of modern engines also shortens the time that an aftermarket gasket company needs to remedy application-specific cylinder head sealing problems. Another issue is that, if the company develops a superior gasket sealing design for specific applications, the engine might disappear from the market before the company’s
2011 LS Engine Parts Buyers Guide
This directory is composed of companies who told us they supply various parts for the LS?engine. You’ll want to check with them for their latest offerings. This isn’t an exhaustive list – only companies who responded to our survey (or our advertisers) were included. For more company contact information, visit our exclusive online resource,
Cleaning Cylinder Heads and Blocks
The cleaning process should remove all of the dirt, grease, oil, rust, scale and carbon deposits that have accumulated over the years. With painted castings, the old paint also has to be stripped away so the surface can be repainted. Even if you’re working with brand new castings, a final cleaning is still necessary after
Common Failure Modes
For years, B&G Machine had been a diesel machine shop serving Seattle and the upper Northwest part of the U.S. To address certain market conditions in the mid- to late-’90s, we began building diesel engines. In doing so, we tried to identify the engines that would best serve a captive market – markets that would
Your Shop Machines Have No Idea If They
Shop machines don’t have a clue that your tooling is dull, bent, nicked, burred, or the wrong size. It does exactly what you direct it to do, and if your tooling isn’t up to spec you’ll surely junk out a work piece in record time. Let’s start with tooling made from carbide. Carbide tooling comes
Sportsman Drag Racing Engine Rules
Dragracing – lining up next to the other guy and seeing who’s got the beststuff – remains an incredibly popular sport, for both spectators andparticipants. Although multi-lap circle track and road racingcompetition may have received the lion’s share of media attention overthe past several years, mashing the throttle and driving to the finishline is good
Getting Into The Niche: Engine Builders Corner Their Markets
In our industry, specialty niche markets can also be the key to steadily growing your business. Motorsports is a very broad market but when you drill down into the various categories of racing, there are many smaller markets that make up the sport. Drag racing and circle track markets may be among the most recognized
Engine Builder Shop Solutions: November 2010
Cleaning Up Cam Bearings After Installation Once in a while you may get an engine block that has an imperfect or misaligned cam bore. Rather than taking the time to scrape the newly installed cam bearings to fit by hand I took old cam cores and made cutter cams. Verifying the cores are straight, I
Nailing Down The Buick Nailhead
Likethe Small Block Chevy, the Rocket 88 Olds, the Ford Flathead and the ChryslerHemi, the Buick Nailhead engine is one of those that has the immortal smell ofhistory all over it. Yet,unlike its more familiar brothers, cousins and even competitors, the Nailheadhas an aura of mystery about it as well. TheNailhead had a
Can Diesel Performance Help Boost Your Business?
Most people associate diesel engines with truck and tractor pulling events, not traditional motorsports. There are no diesel-powered NASCAR races or Indy cars. But diesels are making inroads in other types of racing. Diesel-powered race cars and trucks are setting land speed records at Bonneville, winning endurance races at LeMans, and running over 200 mph
Sunnen/ECR Offer 400 hp for $3 at IMIS
On Wednesday, Dec. 1 and Thursday, Dec. 2 at IMIS enthusiasts can purchase one Sunnen Rev it UP Raffle ticket for only three dollars, or two for just five bucks. The prize? A 415 cid engine built for UMP Dirtcar Modified competition by the engine experts at ECR in Welcome, NC. The engine will include
OHC Cylinder Head Rebuilding and Equipment
Originally featured mainly in European racing machinery from Fiat, Peugeot and Alfa Romeo in the early part of last century, by the 1960s companies like Fiat and Jaguar had introduced OHC production engines. It was advanced technology for the time, but today OHC is the norm for even the least expensive production engine. OHC cylinder
Stroker Strategies for Higher Horsepower
Such strategies are already very popular with those building small block and big block Chevys as well as small block Fords. In the main, it is a cost effective way to deliver what most customers deem as power – that is more low speed torque. Generating extra cubes via a stroker crank is a good