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Registered
Join Date: Feb 2001
Location: Aircooled Heaven
Posts: 1,054
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The cam effects the engines efficiency more than anything else... I think even more than the CR..
A cam that does not match the CR simply creates a hot burn that promotes inefficiency, and the creates heat- period... Head temp and oil temp.
It never ceases to amaze me how much guys put into the oil temp gauge, they think that as long as the oil temp is cool, the engine is cool- NOT... You MUST take head AND oil temps measurements to accurately monitor the engine.
The stock cam has little overlap, and tight lobe centers, due to this it promotes high cylinder pressures and heats up the engine fast.... Thats one reasobn VW used it was to get the engine to operating temp faster in cold climates... These cars were never designed to work their best here in the states!
If you add bore and CR to the stock cam, that sucker will be a fireball for sure, I've done it.
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Jake Raby
Owner, Raby's Aircooled Technology
www.aircooledtechnology.com
www.massivetype4.com
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