Personal Service
Quality work
Quality work
Cylinder Head Work
Chevy, Chrysler, Ford, Olds, Buick, AMC, Harley - Restoration, Racing & Perf. Street
Racing or OEM Valve jobs, guide & seat repair, surfacing, CCing, O ring, porting,
aluminum repair, broken bolts removed, helicoils, crack detection, etc., etc. )
aluminum repair, broken bolts removed, helicoils, crack detection, etc., etc. )
Complete Engines restored or custom built
Blueprint restoration of American muscle car V8 engines.
Injected alcohol Chevy and Chrysler Drag engine building.
Injected alcohol Chevy and Chrysler Drag engine building.
Fuel Injection Setup & Flow Testing
Nitrous Oxide Systems Setup & Flow Testing
Computerized
Certified Dynamic Balancing
Racing and Industrial work accepted
2 piece driveshaft
Overhung impeller
Computerized
Valve and Clutch Spring Measurement and Analysis
Utilizing Performance Trends Valve Spring Analyzer Equipment
Reports include:
Spring Rate
Force at Seated Spring Height, open height and all points in between
Height for a user defined spring force
Bind Height
Bind Height Clearance (between Open Height and Bind Height)
Linearity (non-linearity)
Damping
Spring Rate
Force at Seated Spring Height, open height and all points in between
Height for a user defined spring force
Bind Height
Bind Height Clearance (between Open Height and Bind Height)
Linearity (non-linearity)
Damping
Software Analysis
Of your engine and/or vehicle
Utilizing Performance Trends Engine Analyzer Pro, Drag Racing Pro
TIG (Heliarc) Welding
Automotive related specialists but conventional work is welcome. Repair or modify aluminum and steel components such as heads, transmission cases, rear ends etc. Some cast iron is possible.
Related Muscle Car 4 speed transmission specialty repairs
(Muncie, Borg Warner)
Aluminum Transmissions: cluster hole sleeving, side cover sleeving, tailshaft seal sleeving, proper tig repair of cracks, mounting ear repair, threaded hole repair, surfaces machined, etc.
(Note: We do not rebuild or have parts for the whole transmission.)
(Note: We do not rebuild or have parts for the whole transmission.)
Lincoln Square Wave
300 Amp Tig
300 Amp Tig
Connecting Rod & Piston Work
Specializing in American V8s
Center to Center Correction and Boring
Big End Resizing
Crack Detection
I beam profiling
Modify for small end bushing
Custom Bushings
Bore or hone for press fit or clearance
Balancing
Piston Valve relief Flycutting
Dome reductions
Pistons mounted to rods (float or press fit)
Big End Resizing
Crack Detection
I beam profiling
Modify for small end bushing
Custom Bushings
Bore or hone for press fit or clearance
Balancing
Piston Valve relief Flycutting
Dome reductions
Pistons mounted to rods (float or press fit)
Industrial. 1 piece or...?
Custom Honing
Fabrication / Machining
Lathe, mill, fab equip.
Custom fabrication and machining of components.
Custom fabrication and machining of components.
Broken bolt removal
Measuring
Internal,external & length from 0 - 14"
crank stroke, alignment, deck height, bore sizes, CCing, springs, etc.
crank stroke, alignment, deck height, bore sizes, CCing, springs, etc.
Have a unique balance application? Please call us.
Dynamic balancing of crankshafts and engine rotating assemblies.
Passenger size engines: Pistons are balanced to +0.5/-.00 grams
Rods are balanced to +0.5/- 0.00 grams on each end.
Even tighter tolerances are possible if you desire.
Rods are balanced to +0.5/- 0.00 grams on each end.
Even tighter tolerances are possible if you desire.
Cemb Equipment
2.5 to 1000 lb capacity
10 ft length
0.008 grams accuracy
1, 2, & 3 plane features
2.5 to 1000 lb capacity
10 ft length
0.008 grams accuracy
1, 2, & 3 plane features
Years of experience with Racing and OEM engines as well as industrial objects.
573 V8 Case Tractor
Dyno Coupler
Urbana IL, USA 217 469 7663 M-F 9 - 5 CST
Many Photos may be enlarged by clicking on them.
All Text and images on this website are copyrighted by David Koehler 2000 and beyond
All sales are final. Items and services provided by Koehler Injection are intended for off road use only.
No responsibility whatsoever will be accepted by Koehler Injection for any damage, injury or loss resulting from their use.
No responsibility whatsoever will be accepted by Koehler Injection for any damage, injury or loss resulting from their use.
Urbana IL, USA 217 469 7663 M-F 9 - 5 CST
Serving the Midwest and the world. Engine balancing, industrial Balancing, auto machine shop in Champaign, Urbana, Danville, Peoria, Bloomington, Kanakee, Tuscola, Mattoon, Charleston, Crawfordsville, Indianapolis, Paxton, St. Louis, Cordova, Chicago, Terre Haute, IL, IN, MO, WI, TN
Flywheels matched or modified for internal and external applications.
Over balance, under balance, no hole balance procedures on request.
Crankshafts, Camshafts, drive shafts including Remco.
Axles, fans, rotors, drums, Industrial items, heavy metal installation.
Axles, fans, rotors, drums, Industrial items, heavy metal installation.
1 cyls. on up, including tractors, Harleys, and odd ball items.
