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Ok ! bit of an update. As today was nice, it did a bit of tinkering and washed the truck, then i noticed the leak off pipes were not looking too good, so replaced them with something that I had lying around, then I thought that looks the same size pipe as the boost pipe. So I nipped round the other side, and whipped off the boost pipe from the turbo, and plugged it with a screw, then pushed a small length of pipe on the turbo outlet and plugged that one too. Started it up. and it ran. So I took it for a spin. Well I have to say i was VERY surprised indeed. Folks had said it would be pants, wouldn't pull over 50mph etc etc, but I wasn't convinced by the doom and gloom merchants, ( I never am).
So what was it like then? well as I said I was surprised. As I pulled away initially i waited until the road was completely clear just in case it was really slow as predicted. BUT it wasn't, moving off isn't much different really, obviously its less powerful, but it is MUCH more powerful than a 12J n/a, prob on a par with a 19j TD. it seems happy to rev freely, seems more fun to drive, dare I say it, (round country lanes anyway). I took it out on the dual carriage way, and it pulled a desired 60mph up a long ( 1 1/2mile) incline. I decided to accelerate and although much slower, it DID pick up well. Then on the return, on the flat, I planted my foot, and (again obviously not as quick) it accelerated from 56- 75 with ease and prob would have gone over 80 with ease had I not had to turn off. So It is VERY drivable but the funny thing I noticed (as I drove with one eye in the side mirror) there was ABSOLUTELY no smoke whatsoever.
So To recap I've blanked off the turbo boost pipe, so I still have a fully functioning turbo but without the extra fuelling on boost.
The BIG question is MPG. Will it be a gain, a loss, or same as. If it is a reasonable gain (10% would be nice) then I'll plumb in some copper micro bore pipe and a small gas tap fitted in line, in the cab, so when up a long hill, or loaded I'll turn on the 'gas'. It really does go very well indeed.! Can't wait ti fill up after a couple of hundred miles ( always fill up twixt 200-250)
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