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I have one I'm not using anymore. It's complete except for the screws and nuts for the side plates. Back in 1990, I wrecked and left a Bronco in Goldendale, your Bronco isn't a 77 is it?
B C Broncos has a heavy duty pump that fits the stock location with the passenger side connection and flows either way. I converted my stock pulleys to serpentine and use one for 8 years without a problem. I think it is made for marine engines because it has a big brass or bronze impeller.
I'd do it again in a heartbeat. It is the best mod I've made to my Bronco, even though it is pricey. I've had it in for 11 years with a D20 and I wouldn't change a thing. It makes driving it on the freeway so nice. I have 4.11's and it'll do 70 at 2200 RPM all day long.
I have 4.11's with 33" tires and I'm running a 19 tooth gear. The only calibration I have done is pacing a prius with a digital dash, but the speedo is right on now. I did have and 18 tooth, but it always read slow.
In step 6, did you remove the roll pin? In step 7, the hook is to hold the end of the countershaft gear so it does not drop when you push out the countershaft. The tool they are talking about is a smaller diameter shaft than the countershaft. You use it to drive the countershaft out of the case...
I had the same problem. I didn't want to force it, so I left alone and tried starting the engine. After a couple of tries I was able to seat the distributor with the holding clamp. I don't know why it would not seat, but it would not move until I spun the engine a few times. The engine runs...