1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

FC aluminum water pump housing on a FB

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Old 03-16-11 | 12:43 AM
  #51  
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From: https://www2.mazda.com/en/100th/
Originally Posted by 80's old school
OK OK OK.... here is the final weight savings between a FB cast iron pump housing and a cast iron water pump VS. an FC aluminum waterpump housing and an FB aluminum GMB (Japan) water pump.............

8.17 pound difference!!!!

Total cast iron FB package 13.26 pounds
Hydrid FB alum housing and FB alum pump 5.59 pounds

Is it worth it for me???? YES!!! To lose that much weight that high up....

Is it worth it to 95% of the rest of the 1st gen' er's.... I doubt it!!!!

What are your thoughts????
hey its only 8lbs, but its in the front up high, and i dont have to change anything else, i can keep the a/c (air pump gets weird though), all the stock water hoses, belts etc etc, oh yeah its easy too.

i don't see how its not a win
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