- 1969 el camino 350 double groove water pump pulley generator#
- 1969 el camino 350 double groove water pump pulley driver#
- 1969 el camino 350 double groove water pump pulley series#
Most V-belt Corvette drives mounted the alternator on the driver side except for the first three years of alternator use. Corvette kept the short water pumps but used a larger ¾-inch pilot shaft (standard is 5/8 inch), which is the diameter of the small snout that locates the water-pump pulley. These large compressors needed all this bracketry in order to solidly mount the unwieldy pump and also demanded a triple-groove crank pulley.Ĭorvette applications were slightly different for several reasons. Air-conditioned cars located the A/C compressor on the passenger side with brackets that located off the water pump and exhaust manifold with braces off the intake manifold. This necessitated a dual-groove crank pulley. Other accessories included a power-steering pump that was also located on the driver side, down low near the crank pulley. This started in 1962 with the use of the Delco external regulator alternator. The simplest version is an alternator drive located on the driver side (left) of the engine mounted off the cast-iron exhaust manifold. Group 1 is the oldest group, but there are literally dozens of variations on this theme. Group 3 will cover serpentine belt drives that started around 1987. The largest section, Group 2, will cover long water-pump drives with accessory bolt holes in the heads, which runs from ∦9 to ∨6. Group 1 will deal with short water-pump accessory drives with no accessory bolt holes in the cylinder heads, which is the early factory setup from ∦2 to ∦8. Weve broken the small-block accessory drives down into three categories.
1969 el camino 350 double groove water pump pulley series#
This will greatly depend upon how much feedback we get on this series from our very astute readers (that would be you). As for big-blocks, if we have any sanity left once weve completed this series, we might just be dumb enough to take on the fat-blocks. Frankly, theres plenty to get confused about without going into the newer engines.
1969 el camino 350 double groove water pump pulley generator#
Were not going to deal with the generator years of ∥5 through ∦1, nor will we touch on the LT1/LT4 or LS1 engines. This story will outline the three basic systems that Chevrolet has used to drive the pumps, belts, and pulleys throughout the most popular 35 years of the small-block. Were talking about the world of water pumps, alternators, power steering, and A/C compressor pumps. OK, so maybe this isnt the simplest system on a car, but it sure looks that way. Shop from brands like March Performance, Moroso, Goodmark, Trans-Dapt, ACDelco, Spectre, Vintage Air, aFe, Dorman, and many more.This is a most confusing story about perhaps one of the simplest systems on an engine. Summit partners with the most trusted manufacturers in the automotive industry, so you know you’re getting maximum performance for your money, even from humble components like crankshaft pulleys.
Alternatively, if you’re adding power-hungry systems like mobile entertainment, an air compressor, or upgraded air conditioning, you may need a larger overdrive pulley to help the alternator keep up. High-revving competition vehicles can get away with a smaller underdrive pulley, which drives the belt less quickly. “Parasitic horsepower loss” means that some of the power made by your engine is eaten up by driving the accessories. V-belt, serpentine, or Gilmer belt, you’ll find the perfect pulley right here! Summit Racing Equipment carries crankshaft pulleys for a wide variety of applications, including stock replacement, period-correct restoration, engine dress-up, and high performance. The belt wrapped around this pulley drives the engine’s accessories, including the alternator, power steering pump, and air conditioning compressor. Attached to the front of your harmonic balancer is the crankshaft pulley.
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