Choosing the right water pump for your Street Rod

Mar 12, 2017 10:52 AM - 124 Views

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sradmin

Choosing the right water pump for your Street Rod


When you are building a Street Rod there are a just a couple basic things to consider when choosing the water pump for your build. Are you going to run a short or long style pump? Are you going to run a v-belt or serpentine? How much space do you have from the end of the water pump to the radiator? Typically the small block Chevy used a short water pump on ’68 and earlier passenger cars and light duty trucks. The SBC long water pump was typically used on ’69 and up passenger cars and light duty trucks. Also, some of the later style aluminum water pumps with a serpentine-belt drive system used a reverse rotation pump.
One other thing to consider is the diameter of your water pump snout. Chevy used two common sizes, which were either 5/8-inch or the heavy duty 3/4-inch. Keep in mind that mixing and matching pulleys between short and long pumps can cause misalignment issues.
To be 100% sure before you order, the check is simple. Just set your original pump on a flat surface with the pulley flange facing up, take a straight edge and lay it across the pulley mount face and measure the distance between the block-side mount flange and pulley flange.
All applications can vary and pulley alignment can change on custom set-ups. In certain cases it may be handy to purchase water pump pulley spacers or shims to achieve the correct alignment. There is nothing worse than getting the pump and all the pulleys installed and then it does not fit. Take a little time and get the plan right the first time so that you do not have to go back to the drawing board. Willie Moore StreetRodding




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  • Choosing the right water pump for your Street Rod Willie Moore StreetRodding
  • Choosing the right water pump for your Street Rod Willie Moore StreetRodding
  • Choosing the right water pump for your Street Rod Willie Moore StreetRodding
  • Choosing the right water pump for your Street Rod Willie Moore StreetRodding

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