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» Northern California Ford Owners     » Automotive   » Tech Talk   » Adjusting the rockers

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Author Topic: Adjusting the rockers
90gtverrt
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Member # 1437

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Can someone explain the process of adjusting my valves...i am replacing my lifters tommorow and want to know how to adjust the rockers. Also whast the best way to get the lower intake gasket to seals.

This is what i got going on tommorow

Water Pump
Electric Fan Install
Thermostat
Lifters
Lower Intake gaskets
Front Brakes


Oh boy what a day!

Mike

Posts: 1199 | From: Livermore, CA | Registered: Jun 2002  |  :
Quick 88LX
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Member # 1950

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http://www.compcams.com/Technical/Instructions/Files/145.pdf

This pdf file (page 3) from comp cams has exact instructions to install and adjust lifters no matter which kind you have.

This is from FTI's website and it is instructions on how to adjust stud mount rockers:

1. Remove the valve covers, and pick a cylinder you are going to set the pre-load on. Only do one cylinder at a time.

2. Rotate the engine in its normal direction of rotation (clockwise) and watch the exhaust valve on that particular cylinder. When the exhaust valve begins to open, stop and adjust that cylinder's intake rocker arm.

3. To adjust, back off the intake rocker arm adjusting nut and remove any tension from the push rod. Wait a minute or two for that hydraulic lifter to return to a neutral position. The spring inside the lifter will move the push rod seat up against the retaining lock, if you give it time to do so.

4. Twist the intake push rod with your fingers while tightening down the rocker arm. When you feel a slight resistance to the turning of the push rod, you are at "Zero Lash". Turn the adjusting nut down one half to three-quarters of a turn from that point for street applications. Use 1/8 to 1/4 turn for race applications. Lock the adjuster into position. The intake is now adjusted properly.

5. Continue to turn the engine, watching that same intake valve/rocker you just set. It will go to full open and then begin to close. When it is almost closed, stop and adjust the exhaust rocker arm on that particular cylinder. Loosen the exhaust rocker arm and follow the same procedure described before in steps 3 and 4 to adjust this rocker arm.

6. Both valves on this cylinder are now adjusted, and you can move on to your next cylinder and follow the same procedure again.

There may be some initial valvetrain noise when the engine is first fired up but once oil pressure has stabilized and the engine heats up, it should quiet right down to a normal level.

Remember that some racier camshafts will have a mechanical sound to them and will not be a silent as factory units.

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"Men are Made, Not Born"
Car Picture : http://www.angelfire.com/theforce/quick88lx/
Original Member #495. Can I get my number back?

Posts: 1785 | From: Fairfield, CA/Okinawa, Japan | Registered: Oct 2002  |  :


 
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