My 92 Cabriolet, runs like my 64 stock Beetle. 0 to 60 in about a minute, no acceleration out of a stop light. And, being that my job is to drive my car fast (pizza delivery guy) i'd like to see what gives, and what I could do to improve it.
One thing I suspect is some fuel path blockage, maybe fuel injectors, because, every now and then it gets to running really bad, and I pour some fuel injector cleaner in the tank, and it smooths it out a bit. I'm also maybe thinking a fuel line itself is a bit clogged. My reasoning for this is that when I take off the gas cap after driving even for a minute, it goes pfffffffffff.. like its had to suck the fuel like a mcdonald's milkshake, ya know?
Another suspect is timing, or fuel mixture, or... I don't know, the timing hasn't been set in a long time, like over a year. This thing also tops out at about 80 on the highway, and that seems to be really pushing its limits and I usually get worried and go back down to 73. Also, its only got 106K on it, and I run either mobil 20W-50 or valvoline and mobil synthetic gear oil in the manual trans.
Your thoughts, please?
Much obliged, Jack