For a high-performance street car, at a minimum you want a precision, three-angle valve job with relatively wide seats able to stand up to years of hot rodding. Quickie parts-store valve jobs won't ...
Dear Tom and Ray: My 2006 Honda Element has 108,000 miles. The dealer recommends a valve-clearance adjustment at this time. Is this a service you would recommend, or is it not necessary? Please ...
The position of the valve seat in the head is also important. Each time the valve seat is machined, >> material is removed and the seat “sinks” into the head, moving deeper into the port. This tends ...
DEAR CAR TALK: My Honda dealer says the valves on my 2013 Honda Accord should be adjusted. As I write this, the car is about to hit the 100,000-mile mark. Do I really need to pay $150-$200 to adjust ...
1) What is head porting and polishing and how does it work?Porting involves shaping and/or polishing the intake port openings, the inside of the ports, the exhaust ports, the bowl area below the valve ...
To see firsthand what goes into building a set of heads, we spent an afternoon with JMS' Pete Hillemeyer, a guy who's been building cylinder heads for more than 20 years. We also sought the counsel of ...
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