Cores are the heart and soul of the engine rebuilding business. If you don’t have a core, you don’t have an engine to rebuild. The challenge is getting the right cores that are in demand, and at a price that you and your customers can afford.
Racing Head Service is now offering LS7-style heads for original LS cathedral port engines. RHS Pro Elite 3.900″ Bore LS7 CNC-Ported Cylinder Heads not only get the best LS rectangular port heads onto all GM LS 5.7L – 6.0L blocks, they also provide up to 100 bolt-on horsepower over stock.
AFR has recently released its new 429/460 Big Block Ford Heads and Intake Manifold. These parts are available with a 270cc, 285cc or 300cc intake runner, and have either a stock height exhaust or .250 raised exhaust with two combustion chamber choices of 75 or 85cc.
Joseph W. Jagersberger was a very early racing car driver who competed against Louis Chevrolet prior to the first Indianapolis 500-mile Race. He was also the manufacturer of early speed equipment and his RAJO heads became well known to Ford and Chevy lovers.
My transition in 1975 from bracket racing a 122˝ wheelbase mid-eleven second, two-ton ’57 Mercury to racing in a low nine-second 99˝ wheelbase, Pinto Pro Stock car, was quite a jump. I was jaded with bracket racing and wanted to run heads up – all out with a door car. So, Pro Stock was it.
Piston Ring Gapping Tip Some of you may know this ring end gapping tip, but I have never seen it anywhere. Not even in ring package instructions. This has to do with checking the flimsy oil rail gaps. Most conventional size bores are not much of a problem. The rails on those sizes usually have a lot
One year after revealing its remarkable cast iron LS Next engine block, Dart Machinery reduces its mass and announces an aluminum counterpart. Created from the finest casting materials and weighing 107 lbs, the LS Next was the first aftermarket block to comprehensively address high-performance troubles in the original equipment LS power unit. Laden with innovations,
Salvaging Cracked or Flawed Engine Parts through Detection and Repairs Cracks are often blamed as the cause of a head failure. In many instances, the cracks are not the cause of the failure, but a symptom of another underlying problem such as overheating, detonation or incorrect installation (wrong torque on head bolts, dirty bolt threads,