Ford Y Block Valve Lash
Y block enthusiast let s talk valve lash.
Ford y block valve lash. Pull off a few at random one at a time and inspect them for wear. A few different methods more than one way to skin a cat. Adjusting valve lash on a y block. I was lucky to find these original replacements from napa instead of having to buy inferior quality foreign made parts.
The y block was introduced in 1954 as 239 in ford cars and trucks and 256 in mercury s. I tuned a y block for a customer recently that was set to zero lash. The 272 and 292 engines were introduced in 1955. If there is a pocket of wear in the rocker where the pushrod touches it this will prevent proper adjustment with a feeler gauge.
Do you have posted heads. If the rocker faces have wear pockets from contacting the valve stem. It s been several thousand. There are several methods in which to set the valve lash on an engine with solid lifter valves such as the y block ford.
This information is provided to help y block owners identify the engine or parts they have avoid assembly errors and choose the best parts for their next project. As a practical matter how often should this be done. My y block is a heavy duty edition truck motor and the exhaust valves are larger than the intakes and are sodium filled. How to adjust valve lash on a y block ford v8.
1961 1966 f 100 larger f series trucks y block valve lash couple questions about this have digested quite a few different threads about this here and other sites first. While i am on the subject of y block valve lifters it is important to use a hardened lifter. Unfortunately the use of a feeler gauge is satisfactory only if the rocker faces are in good condition. Early y blocks and all 312s used a rope style rear main seal.
C1te c0ae cylinder head mods how to get performance without ecz g heads rocker arm assembly rebuild. Stupidly i lost one of these valve lash caps while replacing the valve seals. How to adjust valve lash on a y block ford v8 2nd method previous tech tips. This was on the old site and upon hearing the number of requests for valve setting information is worth reposting.
Install rear main seal.
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