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27.04.2021 21:19:58
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Completing the CAPTCHA proves you are a human and gives you temporary access to the web property.
If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. here
If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.
Once you start modifying the valvetrain on your engine for performance or competition, your stock-length pushrods may no longer be the optimal length. The only way to be sure your geometry is correct is by using a pushrod length checker. [links]
Not sure how to use a checker? Read Intro to Optimizing Pushrod Length with Checking Tools from our official blog!
For accurate readings for years. . Read More
Not sure how to use a checker? Read Intro to Optimizing Pushrod Length with Checking Tools from our official blog!
For accurate readings for years to come, buy your pushrod length checkers for a reliable brand. Summit Racing Equipment carries tools from Trick Flow, Proform, COMP Cams, Jesel, Howards Cams, and more.
One of the most overlooked areas within the valvetrain for a performance engine is pushrod length. Veteran enthusiasts may scoff at this because back in the day, you just dropped in a set of stock pushrods, set the lash on that solid cam and went out and made noise. But the performance world has evolved. Power numbers are escalating, engine speed continues to climb, and spring rates are growing, all of which adds to valvetrain stress. One way to make life easier on the valvetrain is to idealize its operating geometry.
Measuring a pushrod that combines both a ball tip and a cup requires the use of a machinist’s ball. Assuming we are dealing a 5/16-inch cup on one end, the technique is called the “overall length measurement”. The machinist’s ball should measure 0.3125-inch in diameter. Place the ball in the cup and measure the overall length including the ball. Then subtract half the ball diameter (0.1562-inch) to get the overall length.
By shortening the distance travelled, we not only reduce friction in the engine but also reduce side loading on the valve tip, which is no small consideration when dealing with long, thin valve stems and high spring pressures. Setting proper pushrod length benefits all engines, but is especially critical in high rpm applications. more