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#1
02-11-2010, 02:00 AM
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Slight OT: Turbo Question
Staying within the realm of Mercedes engines:
Does a turbocharger need the exhaust pressure from ALL cylinders? I'm asking this in context of single charging a V8, without excessive manifold fabrication.
__________________
RIP: 80 300SD RIP: 79 450SEL 2002 E430 4matic (212,000km) 2002 ML500 'sport'  ____________________________ FACEBOOK: PANZER450 
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#2
02-11-2010, 02:05 AM
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Using one Exhaust bank to power the Turbo
will act as a restriction on that side of the engine.
Prognosticating the long term effects of such a setup is so far above my pay grade as to make any other statements by myself Moot.
__________________
'84 300SD sold 124.128
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#3
02-11-2010, 02:10 AM
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K, got it.
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RIP: 80 300SD RIP: 79 450SEL 2002 E430 4matic (212,000km) 2002 ML500 'sport' ____________________________ FACEBOOK: PANZER450
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#4
02-11-2010, 05:35 AM
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Single turbo V8 engines typically have the exhaust combined into a single pipe before the turbo, so as to get the full energy into the turbo.
That being said, it's not that bad to design a pair of smaller turbos to work cooperatively, with one on either bank of the engine.
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-Josh Testing the cheap Mercedes axiom, one bolt at a time...
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#5
02-11-2010, 05:56 AM
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Early 8V71 GM motors often had a single turbo with one exhaust piped around the front. The later ones had twin turbos. Often things we are not to sure about have been tried & solved before. The twin turbo GM runs like a dog if one turbo goes out.
__________________
Grumpy Old Diesel Owners Club group I no longer question authority, I annoy authority. More effect, less effort....  1967 230-6 auto parts car. rust bucket. 1980 300D now parts car 800k miles 1984 300D 500k miles  1987 250td 160k miles English import  2001 jeep turbo diesel 130k miles  1998 jeep tdi ~ followed me home. Needs a turbo. 1968 Ford F750 truck. 6-354 diesel conversion. Other toys ~J.D.,Cat & GM ~ mainly earth moving
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#6
02-11-2010, 10:13 AM
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Saab's doing it now, though that doesn't make it right.
 http://www.saabnet.com/tsn/models/1999/9995pr5.html
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James Marriott 2003 Buick Regal 1983 300D (228k, frau Auto) 1996 Suburban K2500 (192k, 6.5 turbo diesel/4WD towmaster 10,000) www.engineeringworks.biz 1987 300SDL junker 170k 1982 300SD junker, 265k
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