#portnography

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Complete Porting job on P73 DC2 TypeR intake manifold. #honda #acura #dc2 #typer #itr #ctr #b18c #porting #portnography #portandpolish @614fabrication thanks for the weldings.

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That smell of burned tires 🏎 #indi500 #racingtires #trackday #humancnc #portnography #racecar

Playground πŸ‘ŠπŸΌπŸ˜ŽπŸ“ˆ #ported #nocnc #humancnc #intakemanifold #portandpolish #portnography

Complete Porting job on P73 DC2 TypeR intake manifold. #honda #acura #dc2 #typer #itr #ctr #b18c #porting #portnography #portandpolish @614fabrication thanks for the weldings.

D15B P08 D16Z6 P28 Valve Job Available for race applications, feel free to ask...
#p28 #singlejingle #sohcvtec #scca #nasaracing #valvejob #vtec #portnography #headwork #racing #valves #cylinderhead @adamjabaay @slipangleshow

This is what happen when 10degree keepers are used on 7degree retainers. And most people don't have idea of why engines drop valves. Newer keeper to the right, worned keeper to the left holding the valve on a hair like edge. #valvedropped #valves #keepers #retainers #valvetrain #headwork #hondahead #portnpolish #portnography

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