

| Subject: | Tach Speeds |
| From: | Ivan Boyd |
| Date: | Thu, 24 Jul 1997 08:23:35 -0700 |
Hi All, A friend is helping me tune my '85 Westy and he made a recommendation last night of which I'm curious if others share his opinion -- which is, that the best highway speed for me to travel at is ~3,000 - 3,200 rpm. Since this is ~54 mph to 58mph on my vanagon I wasn't to happy to hear this... I normally travel between 65 - 75 mph. He says this is asking to shorten my engine life. Since I commute 50 freeway miles round trip a day this has some importance. Also, I'm curious if my tach is correct. What are those of you out there with a 1.9L waterboxer seeing as tack readings for these speeds? Mine is: mph tach reading --- ------------ 50 2,800 54 3,000 70 3,650 Thanks mucho! Ivan p.s., - Those of you that have recommended replacing the Oxygen Sensor with the $30 Bosch generic are absolutely right - it's very easy to do (coming from me that's saying alot). - I put all Bosch parts in - rotor and cap were mildly pitted - realized recognizable performance boost.
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