Just installed a 750 street demon with the composite fuel bowl. Most reviews I had read and watched were favorable, so I thought I would give it a shot. The poor reviews seemed to be the result of user tuning, except for one I saw where the carb was shipped and installed with a gasket improperly installed, causing a leak. Stock fuel line will not fit, since the fuel inlet on the carb is at the back passenger side. Comes with adapters to fit different fuel lines, including quadrajet style. There is no filter in the carb, so I installed a filter in the new line that I had made at a hydraulic shop. There is no 3/8 vacuum fitting on the front of the carb. There is ported vacuum, which I ran the vacuum advance to. Relocated PCV to back passenger side for easier access to manifold vacuum port at rear of carb. Brake booster port back there as well. Throttle linkage adapter included, worked perfectly with my 81, stock clip and throttle return springs worked perfectly. Carb bolted on to my Performer RPM Qjet manifold perfectly. Gaskets and adapter plate included. I have a very low dropped air cleaner base that allows me to use a normal 14x3 Wix race filter. The choke housing on the Street Demon interfered with the base, but just barely. I cut into the base, and had it properly tig welded to seal it up. Fits great. Hood closes, no problem. Initial start up was great. Auto choke works perfectly, easily adjustable if needed. I didn't need to. As soon as bowl was full, engine fired and went to fast idle. Once up to temp, easily kicked down off fast idle, watched electric choke open up nicely. Very minor adjustments to idle mixture and idle speed, settled at about 950 rpm for my engine. I was worried that there might be some lean stumbles or other quirks, but it works flawlessly. Great throttle response, wide-open throttle and hot/cold starts. No drama whatsoever. My modified quadrajet ran great at WOT, but was always leanish at idle and low speed driveability was finicky. The Street Demon runs fantastic and was easy to install. I wouldn't hesitate to put one on anything. Brent.