Replacement Tricks

Replacing your stock cam shaft, fuel system, and cylinder heads is a good way to gain 20 to 30 horsepower If you've performed trickĀ»} already, you'll have the performance mufflers

I VOU'LL LOVe YUILL BROTHERS

I VOU'LL LOVe YUILL BROTHERS

11. Brad then followed the poper sequence for reinstalling the cams/support plate. With the cams installed, Brad checked for end play and backlash. Similar to the cam gears, these gears must have some play.

14- Back in our Houston garage we worked on the air cleaner and pipe install. This close up photo shows how the air cleaner cover trap door works. When closed in rain or cold weather, intake air comes from the motor side of the cover. Also note how Yuill Bros thoughtfully added hand written instructions on some of the parts.

15. To install the new air cleaner, we completely removed the stock air cleaner, backplate, and breather bolts. We also took a second to clean the inside of the induction module with carburetor cleaner.

12. Next, Brad inserted the four lifters and properly adjusted the new adjustable push rods.

15. To install the new air cleaner, we completely removed the stock air cleaner, backplate, and breather bolts. We also took a second to clean the inside of the induction module with carburetor cleaner.

13. Before installing the outer cam cover, Brad checked for gear clearance. Finding no issues, he installed the cover following the tightening sequence and torque in the service manual to complete the cam install.

16. We installed the Yuill Bros supplied Screamin' Eagle backplate by adding new o-rings to the backplate at the breather holes, loosely inserting the breather bolts, then attaching the backplate to the induction module with the supplied air filter posts. On all bolts, we used some blue threadlocker and torqued them to spec.

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