การเปิดพอร์ทไอดีด้วยตัวเอง สูตรแยงฝาสูบ สูตรแทงพอร์ทไอดี สูตรทำฝาสูตร เครื่อง 4จังหวะ

How to Open the Intake Port Yourself Hispeed Modified Parts: https://bit.ly/3fV5Lfy Collect Lazada discount coupons of 50-150 baht here: https://bit.ly/34usLg3 Buy interior and exterior car accessories at Lazada at special prices: https://bit.ly/34y7TVg Get up to 70% off every Monday and Thursday at Lazada: https://bit.ly/3yIotPU This method calculates the required intake port size based on the size of the intake valve blades. The calculations are based on the inlet, outlet, and outlet ports. It also provides guidance on how to open the port, including the proper opening method and why. You can view the details in the video. If any content is incomplete or inaccurate, we apologize. Facebook:   / localmechanicthailand   Don't forget to subscribe to the Local Mechanic channel:    / localmechanic   If you're watching this for the first time and find the content helpful, please subscribe, click the bell, and like and share. Thank you everyone. Local Mechanic (Homemade Car Modifier) #OpenIDPort #InjectionPort #CylinderHeadModificationFormula #IntakePortOpeningFormula #LocalMechanic