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PunkDork55@aol.com wrote: > Okay, everyone, this isnt exactly T3 only. About camshafts in general, whats > the point of having a bigger one? what effect does it have? would it just > open and close the valves faster? That is straight opposite of what the larger cam does. A smaller cam opens and closes faster. > i dont understand how having a > larger cam effects performance. A larger cam opens the valves more (Lift), and keeps them open longer (Duration). This allows more fuel and air to enter the cylinder. More fuel and more air equals more power, up to a given point. Too much is not good either. That's why one should find the correct cam for an engine. Get the book "How To Hotrod Your VW Engine" By Bill Fisher (Beat you to it, Jim A.), this book explain the cams quite well, even though many of the cams mentioned as examples there are no longer available, there are replacements though. > A friend of mine has a bug motor with an > engle 130 cam, and he wasnt able to tune his dual carbs (kadrons i think) to > get the engine running perfectly. but hes willing to sell me this engine > (longblock) for $200, and i could use it in another project, but i dont know > much about how the cam effects everything else. Thanks everyone? How big is this engine? When I built my 1679 I was advised to not go larger than Engle W-110 when used with my stock Solex carbs, since this was going to be a street engine. W-120 and larger would be a bit too rough on the engine, with uneven (or no) idle. I also installed a W-100 in a stock 1600 Bug engine, this engine is smoother than with the stock cam. PerL 73 Variant L ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/