Easy tips

How do you adjust the pushrod on an Edelbrock?

How do you adjust the pushrod on an Edelbrock?

Spin the pushrod on #1 cylinder with your thumb and index finger, then adjust the rocker arm adjusting nut until you feel drag on that pushrod (not until the pushrod stops spinning). Once you feel the drag you have reached 0 lash and are ready to make your valve adjustment, complete for both intake and exhaust pushrods.

Why does the head grow but the pushrod does not?

“What happens is the pushrods don’t grow but the head does,” echoes Steve Brule of Westech Performance, who has adjusted valves on hundreds of engines tested on the shop’s two SuperFlow dynos over the years. “The head is then moving the rocker arm further away from the pushrod.”

What can cause an Edelbrock engine to backfire?

Check your carburetor calibration and operation. A rich or lean carburetor can also cause engine to backfire. Also, be sure the carburetor is not flooding. Be sure the distributor is installed correctly and the firing order is correct. This can cause an engine to backfire.

What happens if you run an Edelbrock at 2000 rpm?

Long durations of cranking engine will wipe lube off the cam and can cause cam failure. Do not allow the engine to run under 2000 rpm for the first 1/2 hour. Slow idle speeds may result in severe cam and lifter wear. Start the engine and bring to break-in rpm.

Spin the pushrod on #1 cylinder with your thumb and index finger, then adjust the rocker arm adjusting nut until you feel drag on that pushrod (not until the pushrod stops spinning). Once you feel the drag you have reached 0 lash and are ready to make your valve adjustment, complete for both intake and exhaust pushrods.

What should clearance be on Edelbrock exhaust manifold?

Be sure the piston to valve clearance is correct, must have clearance of .100” intake and .100” on the exhaust. Be sure self-aligning rocker arms are not being used with guide plates. Be sure the timing chain set is installed correctly. Be sure you have clearance between the rocker arms and valve cover.

Check your carburetor calibration and operation. A rich or lean carburetor can also cause engine to backfire. Also, be sure the carburetor is not flooding. Be sure the distributor is installed correctly and the firing order is correct. This can cause an engine to backfire.

What’s the minimum clearance for an Edelbrock lifter?

Minimum intake valve clearance should be .100”. Minimum exhaust valve clearance should be .100”. Some engine builders may run tighter clearances but the .100” clearance will ensure adequate piston to valve clearance. Should I pump up the Edelbrock lifters like I do on my stock lifters?

What’s the best starting point for an Edelbrock?

A good starting figure would be between 10 degrees to 14 degrees initial timing at idle with vacuum advance disconnected. Total advance should not exceed 32 to 36 degrees with initial and centrifugal weights combined and should be at full advance at 3000-3500 rpm.

When to part on the left or the right?

If it separates more on the left than on the right, you should part on the left and vice versa. If it separates equally on both sides, that means you have two natural parts and can choose which side you want. Not feeling the above method? Well, there’s also a second method you can employ.

Which is the right side of a man’s head?

Don Draper rocks a left side part for example. And in the original Superman films, when Clark Kent became Superman his part would transfer from the right to left, which is pretty much all the evidence you need. By contrast, the right side part is supposedly associated with feminine tenants like sensitivity and thoughtfulness.

What kind of cylinder head does an Edelbrock use?

The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range.

Where do I get Edelbrock heads for my SBC?

Discussion in ‘ High Performance Modifications ‘ started by tawd77, Jan 23, 2008 . I got a pair of edelbrock heads from a swap meet for a sbc. They are obviously performer RPM’s as there is no exhaust crossover passage, and they have 2.02 valves.

A good starting figure would be between 10 degrees to 14 degrees initial timing at idle with vacuum advance disconnected. Total advance should not exceed 32 to 36 degrees with initial and centrifugal weights combined and should be at full advance at 3000-3500 rpm.

Are there any problems with the Edelbrock performer?

The motor has been a great runner, very powerful, and hasn’t had any troubles, but this weekend I decided to pop the valve covers and adjust my valves. I popped the left cover and immediately noticed a vertical crack in the rocker shaft pedestal closest to the alternator.

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Ruth Doyle