Mercedes-Benz 6.9

SVTPerformance · 4VandHemiKiller · 6 Nov 2026

In light of the Gen VI GM 5.7 and 6.6 lifter/cam killing V8s introduced this year, it is worth reflecting on how short-sighted it was for Ford to shelve the already-paid-for Boss engine family and its proposed siamese-bore 6.9 Super Duty variant. Especially since Godzilla was never a truly clean-sheet design; it merely recycles core 6.2 Boss hardpoints, including the bore spacing, main and rod journal diameters, and head bolt patterns. Here's a proposed engine strategy built on the Boss... Read more

Ford Truck Enthusiasts · AbeTroyertheAmishPresident · 3 Nov 2026

I'm trying to find a pin out for the main bulkhead connector on the firewall of the engine compartment near the drivers side. I can't find anything anywhere.

Ford Truck Enthusiasts · 6ohlover · 23 Oct 2026

Hi from southern Indiana. Have had a few ford diesels over the years. A 6.9 idi, 7.3 powerstrokes and just got my 3rd 6.0. I love my 7.3s but love the sound of 6.0s. My current project is a 2006 2wd...

North American Motoring · GearheadS · 11 Oct 2026

Howdy folks. 2005 MCS, two questions: 1) My Long term fuel trim is running 6-9%. I have a 15% pulley on the SC, otherwise stock system. With the speed density system, does the pulley cause a...

For B Bodies Only · mrhemi · 2 Oct 2026

I ordered this rad from U.S. Radiator when I could not find anyone to recore my original. The folks that purchased Glen Ray were not even talking of orders for 6-9 months. The plan was to use this in my Charger until Glen Ray could address my original hemi rad. I installed it, ran it to temperature, checked for leaks and drove it around the block. It has less than an hour of run time. Then, by chance I found a somewhat local old school radiator shop that was able to recore my original... Read more