Welcome to Tim Zepp's Engine Machine Shop. What you are about to see is a wide variety of photos of our shop, and the different processes and machining operations that the internal parts of an engine go through to get to a final completed competition engine. We hope these pictures help you to have a better understanding of what all is involved in building state of the art, reliable, competitive horsepower. Enjoy the tour!
This is a picture of mike running the cnc. we have all types of programs from block lightening, boring, decking, lifter boring, to programs for making all types of parts.
This is a picture of Tim flow testing a 12 degree PRO-FILER cylinder head for one of our 565 "DRAG RACE SERIES" engines.
This is Rob Dundrea one of our machinists, balancing a crank on our computerized Hines balancer.
A picture of a roller camshaft in our Audie Technologies computerized cam doctor. This tool is invaluable for custom camshaft development as well as quality control.
Tim blending a intake runner on a PROFILER 12 degree BBC cylinder head.
This is a picture of lightening one of the pistons for a drag race competition Eliminator type engine. This engine will turn just over 10,000 rpm's.
This is a picture of one of our Dart 9.800 deck DRAG RACE SERIES Blocks getting torque plate honed. This is one of  the most important, critical, engine machining operations there is.
A close up picture of what a finished chamber looks like on PRO-FILER BBC 12 degree Pro Stock style Head. The cutter in the picture is one of our proprietary 50 degree 5 angle seat cutters.
A World Products MOTOWN SBC being deck plate honed.
This is a picture of an oil drain back tube we made and installed in the back of a Nascar Modified Small Block Chevy Engine.
A PRO-FILER 12 Degree spread port cylinder head getting intake spacer plates machined. These plates allow these heads to fit a DART 10.600 tall deck Pro block. This is for one of our SUPER-STREET series 665 ci pump gas street engines.
Small Block Ford in our main align boring machine. We are machining main spacers for a 400 ci SBF
This is a picture of a Titanium Ex. valve getting machined down to a specific size, for a limited circle track engine This is a picture of a exhaust adapter plate getting surfaced after being bolted to the cylinder head
One of our PRO-FILER 12 degree Spread Port Big Block Chevy Cylinder Heads getting a 5 angle valve job. We have found these to be one of the best cylinder heads on the market. A picture of Tim modifying a exhaust valve in the lathe. When you build a REAL competition engine, it's never a quote "bolt together" engine. just about every piece in the engine gets modified.
Small Block Chevy in our mill, correcting the lifter bore angles and boring for .875 bronze lifter bushings. Rob cutting a fresh valve job using one of our proprietary 50 degree 5 angle seat cutters. A valve job that seals is one of the most important steps to making power.
Dyno Room