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About Us

Dave and Randy D&R

Like many of our customers, we started loving cars and engines at about age 10.  This fascination became our profession, and we feel privileged to share our knowledge and love of machines with so many of you.  Busted knuckles and greasy fingernails are a big part of who we are.  Dave began his career in 1970, and Randy in 1977. We came together to form D&R in 1999 after spending years in the industry, learning from the masters who came before us.  We look forward to working with you to help you to achieve your dream.

Some Recent Projects



Our Facility

We operate out of a shop in Marion, Iowa.  We have a very talented staff who share our commitment to quality and customer satisfaction.  We have great tools and machinery and the knowledge to do the job right.

List of Machines

Cylinder Head Equipment Block Equipment
Sunnen CHW-50 Cylinder Head Tear Down and Assembly Bench Magnaflux Web Particle Crack Detector
Sunnen VGS20 Head Shop Kwik Way FL Boring Bar and Stand
Kwik Way Valve Grinder Sunnen CV-616 Boring and Finishing Hone
Sioux Valve Seat Grinding Equipment Sunnen CH-100 Line Hone with Line Bore Fixture
Kwik Way 861 Head & Block Surfacer set up for CBN Bits  
Delta Cylinder Head Pressure Tester Connecting Rod Equipment
  Sunnen LB1810 Rod Hone and Cap Grinder
Cleaning Equipment  
Axe Jet Wash Crankshaft & Balancing Equipment
Hotsy High Pressure Washer Berco 260 Crankshaft Grinder
Ampro Thermal Cleaning System
  • Baker
  • Airless Stainless Steel Shot Blaster
  • Stainless Steel Shot Recovery Unit


Stewart Warner Computerized Balancer

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