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Old November 21st, 2007, 09:26   #14
TDIMeister
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Join Date: May 1999
Location: Canada
TDI(s): TDI
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What I wanted to get at with this thread (and the other one I resurrected about compression ratio), is the paradigm in clean high-po Diesels featuring much lower compression ratios than today's stock TDIs; piston bowls that don't completely eliminate the lip (the so-called omega bowl), much wider but not deeper in shape; highest possible injection pressures; and more injector holes, although not too big; long-runner intake manifolds; and cam/head work. Much of this paradigm was already disclosed by a few people for some time. Essentially stock bottom-end (parts bin) 1.9 VEs can be pushing 260 HP and 280+HP on PDs with all parts that are readily available, but I've been reading lately threads where people are not anywhere near that level yet seeking 5% mods like sleeving blocks to accept big-bore pistons and welded stroker cranks that blow budgets out of the water.
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