Be More Efficient And Profitable With Well Organized Shop
The best way to be ready to start your day is to get your shop together. This means that every day certain things must be shut down, cleaned, put away, wiped down and organized. Get yourself a pedometer, attach it to your belt and at the end of the day see how many miles you’ve walked around your
Revised Cylinder Head Bolt Torque Specification and Tightening Sequence for 1994-2002 GM 3.1L and 3.4L Engines
This bulletin is a clarification of the revised cylinder head bolt torque and tightening sequence bulletin. The updated sequence and specification is as follows: • Tighten the cylinder head bolts to 44 ft.lbs (60 N-m) in the ordershown in illustration. Use the J 36660-A torque angle meter in order torotate the cylinder head bolts an
Making Combustion Chamber Molds
Ross Pistons recommends the following process to make a combustion chamber mold: • Clean both the chamber and head surface; chamber must be free of all dirt, oil and grease, and valves must be installed. • Place cylinder head properly on the block using no head gaskets. Snug cylinder head bolts or studs with dowel
MAHLE Clevite Introduces 59 New Part Numbers
MAHLE Clevite says it introduced 59 new part numbers in December for various types of bearings, cylinder components, filters, gaskets and piston rings. The part numbers are available for a range of light vehicle and heavy-duty applications. New part numbers are available for the following products: air filters, cabin air filters, engine camshaft bearing
HPBG: Don
In that discussion we hashed over the disparity in coefficients of expansion between cast iron and aluminum (that caused a revolution in head gaskets around the time of the Cadillac 4.1L). We discussed surface conditions and how that affects gaskets and scrub. We discussed gasket coatings and how they remain plastic while not scrubbing and
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
Subaru WRX Engine Mods & Dyno Testing
Balancing ultimate performance within legal parameters and practicality is what Z Sport (www.zsport.com) is all about. I spent several hours being shown their clean and well-equipped shop in Everett, WA. Manager Charles Damewood and Owner Gary Watts both were very helpful in explaining what it is that Z Sport does, and how their shop makes
MAHLE Clevite Introduces 62 New Part Numbers for Various Applications
MAHLE Clevite’s new part numbers are available for a range of light vehicle and heavy duty applications. “In November, we introduced 62 new part numbers for various light vehicle and heavy duty applications,” said David Garmenn, product development manager, MAHLE Clevite. “The addition of these new part numbers shows our continued commitment to meeting the
Coolant Leaks, Head Gasket Issues on Toyota 2.2L Engines
Depending on the production date code of the engine stamped on the front of the cylinder head, two types of head gaskets are used. Use a composite-type gasket (p/n 11115-74081) if engine number is lower than 5985000. Use an MLS (multi-layer steel) gasket (p/n 11115-74120) if the engine number is 5985000 or higher. It is
Tony Stewart Wins Third Sprint Cup Title, the 64th Straight for MAHLE Clevite
With a victory in the Ford 400 at Homestead-Miami Speedway, Stewart became the seventh champion to win the season finale in his championship season. He out-dueled runner-up Carl Edwards in a finale befitting a championship showdown, tying Edwards in points – but winning the championship on a tiebreaker. Stewart’s five wins bested Edwards’ one, clinching
MAHLE Clevite Introduces 50 New Part Numbers
The part numbers are available for a range of light vehicle and heavy-duty applications, the company says. New part numbers are available for the following product types: Engine Piston and Rebore Kits (cylinder components); Air Filter, Engine Oil Filter and Fuel Filter (filters); Engine Conversion Gasket Set, Engine Coolant Thermostat Housing Gasket, Engine
PCV System: Sometimes Things Just Have To
I am certain that each and every one of you have, at some time in your life, experienced the horrific event of having the “wind” knocked out of you. If you can remember back to the first time it ever happened, before you knew that you would in fact breathe again, it was like you
Jasper, Sunnen Give Away Street Performance Engine For Charity
Sunnen Products and Jasper Engines and Transmissions have teamed up to produce a high performance engine that features a full complement of aftermarket parts. According to Ron Williams, SMTSE, Southeastern Regional Mgr. for Sunnen, the proceeds from the raffle all go to charity. One hundred percent of the money raised from the Rev It Up
Powersports Engines Not Just ATVs and Snowmobiles
While consumers often distinguish the powersports market by its individual products, it is all under the same umbrella for manufacturers and dealers of this equipment. Engine builders doing work in this market will find that they can often make more working on less. The engines are small, but depending on the machine, the parts may
Smooth Moves: Today’s Surfaces Often Demand Different Finishes
When multi-layer steel (MLS) head gaskets became commonplace a number of years ago, there was a lot of concern that aftermarket surfacing procedures might not be able to reproduce the mirror-like finish that the vehicle manufacturers said was absolutely necessary to seal MLS head gaskets. The challenge was to duplicate the factory finish using out-dated
Jasper, Sunnen Team Up For Charity Engine Build With
The “Rev-It-Up Raffle” will feature a Jasper Class II Performance engine, Chevy 350 cid, a great choice for performance oriented cars and trucks, street rods and restored muscle cars. The Sunnen IMIS team will be adding other components such as the carb, intake manifold, water pump, distributor, harmonic balancer, etc., from a diverse group of
Which Head Gasket to Use for GM 6.6L Duramax?
GM offers three different thickness head gaskets for its GM 6.6L Duramax diesel engines depending on the amount of piston protrusion the engine has. When measuring piston protrusion, make sure that you measure all pistons on each bank. See Figure 1, for gasket grade mark location and bank location on the gasket. For the maximum
Rebuilding the Chevy 3.4L/3.5L Engine
(Download the illustrated pdf here) We’re going to take a look at two of these engines, including both versions of the latest 3.4L that was used in the Chevy Equinox (and Pontiac Torrent) and the original 3.5L that was installed in several ’04-’07 Chevy cars and crossovers. And, we’ll give you an overview of what
Build With Bolt-On Horsepower, But Proceed With Caution
Whether the speed equipment is old school hardware or electronic in nature, you can be sure it is designed to turn automobile engines into more efficient air pumps. “Because the engine really is an air pump, I tell my customers one of the biggest things they can do is bolt on a different exhaust system,”
Engine Builder Shop Solutions: August 2011
Securing Cam Gears Years ago it came to my attention that the replacement aluminum cam gear used on 4- and 6-cylinder GM inline engines has a tendency to walk off the camshaft. I wanted an easy way to resolve the problem, and here is what I came up with. I grind a notch about 5/16?