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!The 62 full sized Mercs shared 90% of their mechanicals with the full size Ford. The water pump is a fairly common FE part and the wheel cylinders are still available new from several brake manufacturers.
Kantor Auto Products lists both items also.

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Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl
Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"