Videos of Alternative Valve Adjustment Method
07-26-2019, 11:26 AM
#1
Videos of Alternative Valve Adjustment Method
If you are interested in an alternative valve adjustment method, this 3 min. animation shows how and why SNAPGAP works. https://snapgap.us/pages/how-and-why-snapgap-works-1
And, in this video https://snapgap.us/pages/snapgap-installed-on-911, you can watch the installation of SNAPGAP in a 911 and the confirmation of the resulting valve lash with a dial gauge.
Some advantages of SNAPGAP over other methods:
We have extensively road tested this system (running it in a '78SC for more than a year) and have never had any parts get loose. This is because the stainless steel screw that folds the spring steel collar against the valve adjustment screw threads is held in place by back pressure from the spring steel once it is locked down. Further, the collar screw has a pre-applied high temp nylon threadlocker patch that is good up to 500 degrees F to prevent the screw from rotating. Finally, unlike the OEM jam nut, the collar itself is locked to the valve adjustment screw and, of course, the valve adjustment screw with the elephant’s foot on it is not able to be removed from the rocker arm without taking the entire rocker arm out of the engine.
More information can be found at the SNAPGAP site https://snapgap.us/ , including several articles about valve adjustments and valve adjustment systems.
And, in this video https://snapgap.us/pages/snapgap-installed-on-911, you can watch the installation of SNAPGAP in a 911 and the confirmation of the resulting valve lash with a dial gauge.
Some advantages of SNAPGAP over other methods:
- Precise - as confirmed by dial gauge testing.
- Fast - 2 to 3 minutes per valve as shown in the video.
- Replicable over all 12 valves - and no need to "confirm gap" by trying to reinsert feeler.
- Accurate - no inaccuracy introduced by rotation of valve adjustment screw on final tightening of jam nut or bent feelers.
- Easy - can be done with one hand.
- Can Be Done With Engine In -- the tools are designed to work in the tight confines of most 911 engines. However, for example and as with other methods, depending on your engine, you may need to remove the CAT or, alternatively, use a standard torque wrench to get behind the CAT or past lines and hoses.
- Accounts for "cupping" or other misshapen wear features of valve stem and elephant's foot - unlike with a flat feeler.
We have extensively road tested this system (running it in a '78SC for more than a year) and have never had any parts get loose. This is because the stainless steel screw that folds the spring steel collar against the valve adjustment screw threads is held in place by back pressure from the spring steel once it is locked down. Further, the collar screw has a pre-applied high temp nylon threadlocker patch that is good up to 500 degrees F to prevent the screw from rotating. Finally, unlike the OEM jam nut, the collar itself is locked to the valve adjustment screw and, of course, the valve adjustment screw with the elephant’s foot on it is not able to be removed from the rocker arm without taking the entire rocker arm out of the engine.
More information can be found at the SNAPGAP site https://snapgap.us/ , including several articles about valve adjustments and valve adjustment systems.
