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Tech Feature: Small Block Chevy and Ford Performance Cylinder Heads

Small block Chevy and Ford engines have been the mainstays of the aftermarket performance industry for nearly half a century. The original small block Chevy made its debut way back in 1955 as a 265 cubic inch V8, and the small block Ford appeared in 1962 as a 260 cubic inch motor.

Tech Tip: Diagnosing a Clunky Chevy Truck

Bill’s 2004 Chevy Silverado made an odd clunking noise on the freeway when he ran over those little reflectors while changing lanes. He could hear and feel the "clunk" in the steering wheel. Some customers may comment on a clunk-type noise coming from under the hood that also can be felt in the steering wheel. These conditions may be more noticeable when turning at low speeds on ….

Tech Tip: ABS Service on Chevy Silverados

The customer complained that at speeds over 40-50 mph, the ABS and brake indicators come on, and the fuel and volt gauges sometimes drop low at the same time. The technician had already verified the condition and checked for codes before calling Identifix. He found code C0237 (rear wheel speed signal erratic) stored as a history code, but it had not ….

AIM Announces New Remanufactured Alternator Coverage for Cadillac Escalade and Chevy Suburban

AIM announces a new Talon brand premium remanufactured alternator for the 2003-2004 Cadillac Escalade 5.3L and 6.0L and 2003-2004 Chevy Suburban 5.3L and 6.0L (Part #66410). This part number is available in a 105 amp version. Offering fit, form and function that meets, and in most cases, exceeds OEM standards ….

Top NASCAR Engine Builders to Tackle Chevy RO7 Engines in 2008 MAHLE Engine Builder Showdown

MAHLE Clevite Inc. presents an exciting new challenge for the teams of NASCAR engine builders competing in this year’s MAHLE Engine Builder Showdown held in May at the NASCAR Technical Institute (NTI). After eight years of using NASCAR Sprint Cup 357-cubic-inch Ford engines, MAHLE Clevite is switching to Chevy RO7 engines for the event. Showdown teams race to build and successfully run their engines in the shortest time possible.

Tech Tip: Curing Engine Rattle on Chevy Astro Vans

Some customers with the vehicles mentioned in this Tech Tip may comment on a rattle-type noise coming from the engine at approximately 1,800 to 2,200 rpm. The spark, rattle-type noise may be caused by torsional vibration of the balance shaft. If detonation noise is present, perform detonation/spark knock diagnostics first.

Chevy Silverado Tech Tip: ABS Light Comes on at 40-50 mph

At speeds over 40-50 mph, the ABS and brake indicators come on, and the fuel and volt gauges sometimes drop low at the same time. The technician had already verified the condition and checked for codes before calling Identifix. He found code C0237 (rear wheel speed signal erratic) stored as a history code, but it had not reappeared for him.

Tech Tip: Boom-Type Noise During Engine Warm-Up on Chevy Astro Vans

Some customers may comment on a boom-type noise heard in the vehicle passenger compartment during engine warm-up. To correct this, install an exhaust dampener assembly on affected vehicles. Use the following procedure and the part numbers listed in this Tech Tip.

GMC/Chevy Light Truck: Central Port Fuel Injection Diagnosis

Back in 1992, General Motors introduced a new type of fuel injection system known as “Central Port Injection” (CPI), which GM also refers to as “Central Multi-point Fuel Injection” (CMFI). The system was used on 4.3L V6 Vortec engines through 1995, and was redesigned in 1996 and renamed “Central Sequential Fuel Injection” (CSFI). The system

Tech Tip: Boom-Type Noise During Engine Warm-Up on Chevy Astro Vans

Some customers may comment on a boom-type noise heard in the vehicle passenger compartment during engine warm-up. Install an exhaust dampener assembly on affected vehicles using the following service procedure.