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#1
05-14-2007, 03:28 PM
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M103 dyno sheet?
I'm looking for an M103 (3.0) dyno chart. Looking for a pull from about 2500-6500rpm.
Thanks
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I'm not a doctor, but I'll have a look.  '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] 
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#2
05-18-2007, 08:36 AM
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Quote:
In line with a 20% +/- drive train loss with the automatic transmission. Should have the twin turbo dyno results in about a week. ! P.S. The stock catalytic convertor is extremely restrictive. Part of the twin turbo install included a complete 2" exhaust system, twin pipes to a high flow cat rated for a 5-6 liter engine and twin pipes to the high flow silencers. Stock cat may cause about a 5-7 HP loss !
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#3
05-18-2007, 08:38 AM
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Can you post the chart, hopefully with A/F from 2500-3500rpm?
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#4
05-18-2007, 04:03 PM
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Quote:
Currently the shop is doing the fuel mapping for the twin turbos in order to dyno the install.
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#5
05-18-2007, 07:48 PM
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Awesome, looking forward to seeing it.
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#7
06-02-2007, 01:14 PM
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curious as to how many lb's of boost you are running?
Jonathan
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Blue Ridge Mercedes Jonathan Hodgman http://www.blueridgemb.com/ Enthusiast Service, Restoration & Tuning. Follow Us on Facebook! Located in the Atlanta area Specializing in all pre and post merger AMG's including Hammers and DOHC M117 engines. Mercedes Repair Atlanta
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#8
06-02-2007, 07:40 PM
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Twin Garrett turbos are fixed at 7 pounds boost. Stock engine internals, 9.2:1 compression ratio. Could probably go safely up to 9 or 10 pounds of boost and pick up more power, but want an engine that will last, but yet give five liter V-8 performance. Running sub six second 0-60 times, so I'm happy. Can now keep up with Altima's and Camry's !!!!!! Seriously, my goal was to take a car that I bought new in May of 1988, restore it to as close to new as possible, and do a period performance install of a Turbo setup that offers provenance. ! Ed A.
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