R.A.D. Auto Machine is a state of the art Engine Rebuilding Facility with  full service machine shop capabilities. Our Engines are built to your custom specifications built to race tolerances utilizing only the best components. Every Engine is Dyno run and Tested a full Dyno report is included with each engine.


Machining Capabilities Second to None
Rottler F65A CNC Machining Center for blueprinting the block from the main line and camshaft centerline, deck squaring, lifter bore truing, bore spacing corrections, line boring, block end truing, stroker motor clearances, main and cam line corrections.

Darton sleeve installations for LS1 , Honda and Nissan blocks are some of the services offered. The Rottler HP6A computerized Cylinder Hone will finish bores with exact cross hatch angles while achieving RA surface finishes required by ring manufacturers holding cylindricity to .0001 - .0002.
R.A.D offers in house crankshaft balancing, crankshaft grinding, line boring,magnafluxing, shot peening , porting polishing, Dyno Tuning and Dyno testing.  Our testing and break in capabilities include a Chassis Dyno, Engine Dyno and Super Flow flow bench.

Our cylinder head services include 3 -5 angle valve jobs, porting and polishing services and flow testing on our Super Flow  SF660 flow bench.

All of our Performance Engines are Dyno tested and broken in on our state of the art fully computerized Engine Dynamometer.



Rottler F65A
Rottler HP6A
Rottler SGF8
Super Flow SF600
3-5 Angle Valve Jobs
Porting & Flow testing
Crankshaft Grinding
Crankshaft Balancing
WVN CG240
WVN XL2000A
Chassis Dyno Service
Engine Dyno Service  Testing & Break In
Our International Specialized services include : Darton and AEBS Sleeves Installation In Honda, Nissan and LS1 Blocks utilizing  our proven CNC Machining Method. Sleeves are Installed to exact blue print specifications holding the tightest tolerances.
Rottler VR416
.0002 Concentricity
RAD Offers complete in house Machining Capabilities
CNC Block Prep
Computer Diamond Hone
Engines Ready To Ship
80 Ravenwood Drive Ludlow, MA 01056
1-413-583-4414
         Engine Rebuilding - Automotive Machine Shop - Dyno Service
Custom Engine Building
R.A.D has Invested in Rottler CNC Machining Equipment for Precision Block Probing and Blueprinting.. Cylinder Bore finish ie. crosshatch, size control and surface finish are critical. The HP6A Computerized Diamond Hone  will Produce exact cross hatch patterns while meeting specific RA Finish requirements. Holding .0001 roundness and straightness is a bonus and achievable with the HP6A
Our Rottler equipped Valve department enables us to ahieve tolerance of .0002 concentricity on the Valve Face and Valve Seat diameter.