JavaScript is not enabled.
R&G Machining & Engine Parts Inc DBA Grumpy's Performance Center - 13 Reviews - 27716 S. Hwy 213, Mulino, OR - Auto Repair Shop Reviews - Phone (844) 253-1115

R&G Machining & Engine Parts Inc DBA Grumpy's Performance Center

27716 S. Hwy 213
Mulino, OR 97042
(844) 253-1115
Incorrect info? Correct your listing

Main categories:

Auto Repair Shop

Related categories:



( 9 )
( 0 )
( 0 )
( 0 )
( 4 )


the fact that they have their own machine shop saved me so much money. I was able to have my head resurfaced instead of having to replace the whole engine like canby ford wanted. ...


I bought a radiator from these guys, 3 months ago. Last month it started leaking, well spraying all over the place is what it was doing. I called them about 2pm then again aroun...

Awesome Work 1/19/2011

I have always gotten awesome work from these guys. Very smart peoples. more

Great Engines! 1/19/2011

Got a Chev 350 from Grumpys, it was a tad more then other places, but its the best running engine Ive ever had. Great Work! Awesome Warranty! more
< Previous 1 Next >

Owner Message

  • R & G Machining and Engine Parts, Inc. & Grumpy's Performance Center is located just 10 minutes south of Oregon City in Mulino, OR and provides you with the highest quality engine and cylinder head rebuilding services for domestic, imports, truck, industrial, agricultural and high performance applications. We have a large inventory to serve you quickly and efficiently and we ship engines all over the West Coast.

    Diesel engines are our specialty, offering services that include turbos, programmable chips, injections pumps, injector nozzles, and other power enhancements. Our highly trained and professional installers/technicians provide a full array of repair and maintenance services for your vehicles (regardless of make, model or size), RVs and marine.

    We offer:

  • Complete Engine Diagnosis and Repair
  • Full Service Machine Shop on Premises
  • Engine and Cylinder Head rebuilt on premises
  • Tune ups, Oil Changes
  • Exhaust
  • Brakes
  • Transmissions/Differentials
  • Mufflers
  • Racing engines
  • Restoration & Collision Repair

    Grumpys Performance Center is a One-Stop Service and Dealership Alternative. We have been rebuilding quality engines for over 25 years. We pride ourselves on the continuous quality of our workmanship. We employ state-of-the-art equipment in our new 40,000 square-foot machine shop, warehouse, and repair facilities.

    We also offer a complete range of engine kits and components for sale, delivered to your front door.

    Give us a call today or e-mail us to have your custom order sent directly to you at a very competitive price.