Bingo. I've asked two important (to me, anyway) questions in the last year....and I remember Dan correctly supplying the answer to both. Nicely done, Mr. Bubb. Larry sandiego16v From: Dan Bubb Yes, there is a small (8-10mm) port on the intake manifold between cylinders 1 and 2. IIRC it's on the lower manifold pretty much right behind the alternator.