H2O2,
Wow, 450HP! I'm in, that will be my next project after or during my twin turbo 500E. I have always wanted a 300D and now I'm going to get one. Please keep me updated on you injection pump mods and what turbo you use. Also, If you need any help, just ask!

Here’s a pic of the mod I'm doing to the connecting rods. The sides of each rod will be ground flat and polished. This process will knock off a little weight (about .05 ounces) as well as strengthen the rod by removing pits and edges that can become stress risers. The rods in the pic show the three stages; stock, ground and polished. After this process the rods will be balanced by my performance engine machine shop and cryo treated. This process should take the stock rods capabilities from 75HP max to around 100HP max. Even though I don’t plan on running 600HP, this will leave me a nice 100HP or so safety margin.
Enjoy!
Adam

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Current Stable:
01 ML55 AMG
92 500E (a few mods)
87 300E (lots of mods)
00 Chevy 3500HD Diesel Box Truck
68 18' Donzi Marine
06 GT i-Drive7 1.0 Mountain Bike (with GPS!)

PREVIOUSLY OWNED:83 300SD, 87 420SEL, 88 420SEL, 90 420SEL, 86 560SEL, 86 190E 2.3-16V AMG, 94 E320