Mercedes injector Nozzels with shimmed injectors & d8a

[darrenjlobb]

I know where theres a set of highly chronic 220bar IDI injectors, all fitted / ready to go in an XUD, cant think where though just waiting for someone to offer the right money for them Brand new near enough!

The break pressure isnt going to make a deal of difference on the XUD tbh, in theory the higher it is, provided your pump can still flow the same fuel at that pressure, should be a tad better, but you wont notice it in the real world, The reason you crank up the pressure is if you run CHRONIC nozzles, as otherwise if they pop off at normal pressure, you get nothing more than a squirt of diesel rather than a nice mist, so I normally crank the pressure up to allow it to still mist, and flow alot more fuel....its VERY crititcal in DI as the injectors are so sensitive...but on the old IDI, is makes much less difference, what it can do though, is allow your advance system on your pump to carry on working much closer to a stock curve, even with LOTS more fuel, as line pressure / plunger stress remains fairly low, so timing can still work as normal