Quote:
Originally Posted by Soup Nazi
A couple if things that have happend over the summer has changed our ideas and policy on "drop-in" cams. Meaning installing a Helix 2 cam without changing the tappets.
In the early days we had either stock, Enterprise Engine, or Pro/Sportman Springs. All 3 of these springs have been very successful with our program of installing the Helix cams and using your old tappets. Saving time and energy on a cam install. Simplification was the idea.
Higher spring pressures (as of late) with a new cam and used tappets is starting to take its toll. The failures are still considered rare, but we have replaced 5 cams this past 6 months. In all the years since 2004, we have had no returns for worn lobes.
This is a direct result of higher spring pressures and todays oils having less of the good things we need to cut wear down for environmental concerns.
We now require that new tappets be installed if you are going to run high spring pressures. If you use stock, Enterprise Engine, or Pro/sportsman springs you can skip the new tappets and continue as always.
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