19+ Piston To Valve Clearance Calculator

Shown are the main tools needed to check piston-to-valve clearance. It uses simple trig to take inputted data cam duration at 050 lift rocker specd and rocker used etc.

How To Check Piston To Valve Clearance With Clay

Usually about 5-15 degrees before top dead center TDC the exhaust valve comes close to the piston and about 5-15 degrees after TDC the intake valve comes close to the piston.

. According to the Reher Morrison engine building and blueprinting book it recommends a more precise rule for calculating intake P to V is total deck clearance plus 0010-inch. If nominal IVO is at 30 degrees BTC and the lobe center is at 105 degrees ATC the halfway-open point will be somewhere near 15 degrees ATC and thats probably pretty close to closest. While using these calculators in your planning please remember the following.

Need to learn how to check piston to valve clearance. Gasket thickness notch depth piston to deck clearance valve to head deck clearance. Modeling clay machinists scale dial-indicator and base timing wheel pointer and checker springs.

Give them the results of a TDC valve-drop static clearance test and Comp Cams techs can calculate the piston-to-valve clearance for any of its cams at any degree of rotation. Position the dial indicator on the top of the exhaust-valve retainer and zero the dial indicator. So with a steel.

Note the distance traveled. While these calculators will calculate out to six 6 decimal places they will round to three 3 decimal. Next depress the exhaust valve.

Assuming your current clearance specs are out of range of any of the intake or exhaust valve clearances you should proceed to step 3 and determin which shim pill is needed. Now subtract the difference in the. Watch as Al takes you step by step through the entire process of piston to valve clearance.

We will be checking our piston-to-valve clearance for the intake valve at TDC and 10 degrees ATDC after top dead center and the exhaust valve at TDC and 10 degrees BTDC before top.

Predict Piston To Valve Clearance Before Ordering A Cam