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Hey Jim- > On 11 Aug 2001, at 12:23, sml214@casbah.it.northwestern.edu wrote: > > > The T3 runners for #1 and #2 are slightly longer than those for #3 and #4. I > > thought it was odd, too, and tried to put them side-by-side to see if they made > > up the length elsewhere, but didn't see anything like that... > > Okay, I went and looked and it looks like you could be right, but > even if this is the case, the difference is so slight that I can't > imagine that it matters. Kind of like worrying about where your > muffler clamps onto the heat exchangers when you install a tuned > exhaust. > > My guess is that the difference is 1/8" or less, which really can't be > significant when the tube diameter is ~1". > Only 1/8"? I thought it was more like 1" or so... <shrug> Also, I believe that the diameter is closer to 1.25" (I know the OD is slightly over 1.25", making silicone 1.25" hose a cheap, easily available, and good replacement for the stock boots). Whatever the case, it really doesn't matter. For a low-performance 1600 that is restricted in other ways, 1/8" or even perhaps 1" difference is no big deal. You're better off changing the exhaust and (somehow) enlarging the throttle body before tuning the runners just right. Take care, Shad ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org