Frequently Asked Questions
  We constantly strive to provide remanufactured cylinder heads & engines of a consistently high quality at a market price that reflects a competitive cost for the level of quality and service provided. We believe in always doing what we say. Ensuring that your project comes in on time and on budget
 
Ready to Send Our Babies Out Into the World! Mutually beneficial long- term relationships with customers, suppliers and employees is of key importance to us. We constantly look for better ways to support them and will respond to their changing requirements by broadening our capabilities and investing in new technologies.


STEP #1: CLEANING CYLINDER HEAD
Cleaning may be the single most important process in aluminum head repairing. After complete disassembling and stripping, we wash and pressure blast our aluminum heads in state-of-the-art washers and pressure blasters. Our comprehensive process assures all contaminating deposits are removed prior to welding.

STEP #2: WELDING THE CYLINDER HEAD
Our state-of-the-art welding equipment repairs all cracks to original manufacturer's specifications.  After welding, the aluminum head is pressure tested again to insure proper sealing of all welds.

STEP #3: PRESSURE TESTING
In order to repair all cracks in the aluminum head, we thoroughly pressure test each and every aluminum head up to five times, or more! This comprehensive pressure testing insures all cracks are repaired properly. It is the only way we can offer the best warranty in the business!

STEP #4: LINE BORING
The camshaft bearing bores must be re-bored to assure precision bore size and alignment of camshaft bores to factory specifications or better. Only state-of-the-art equipment can continuously bore camshaft bores to our strenuous quality standards.

STEP #5: JET WASHING
After precision boring, the aluminum head is vigorously cleaned of any damaging debris remaining from the welding and grinding process. Our strenuous quality checks assure this extremely important process is completed with the integrity necessary for the best warranty in the industry!

STEP #6: ASSEMBLY
After careful and thorough inspection, the valves and valve guides are tested to avoid excessive oil burning. All valve springs maintain factory tolerances. We use only the highest quality valve stems to maintain complete operating integrity of the aluminum head. We also offer quality head gasket sets to assure complete adherence to quality standards.

STEP #7: VACUUM TESTING CYLINDER HEAD
The final stage of complete repairing is thorough vacuum testing. This process assures proper sealing of all valves and proper cylinder compression upon installation. After testing, the aluminum head is inspected again prior to careful packaging in plastic, maintaining the cleanliness of your cylinder head.

It is carefully packaged & shipped to you ready for installation.
We believe in always doing what we say. Ensuring that your project comes in on time and on budget.

 
 
CHS Machine co.   503-231-4323 Toll Free-1-866-324-4323
CHS Machine co.© Copyright 2005-2009 All rights reserved.
 
CHS Machine Co. Copyright 2009 All rights reserved.