I have been on lots of long pulls. Yes, anything you can do to reduce the degree of bend in the conduit or the friction helps. The amount of drag or friction created by that first factory 90 is great. Wire lube helps some. Also as someome mentioned, the nylon rope is going to cut into that last 90 from the time the pull starts. PVC 90's and nylon ropes don't work well on long pulls. 45's on the end would be a lot of help, if it would work out for termination purposes. When the guys come to pull the cable and see that small pipe they are likely to start with a bad attitude. It's the cable that will suffer from the stress of a hard pull. It's better if the same crew that ran the conduit pulls the cable, they know more of what they are dealing with and to be carefull. The real issue here is that it will probably cost more over time by using this smaller PVC.
