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60hp recovered from dead IC pump to updated Bosch pump?

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Old 02-21-2012, 02:14 PM
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e63 p30 estate
60hp recovered from dead IC pump to updated Bosch pump?
Before:

371 hp, 411 lb

After service during which MB replaced pump with the most updated Bosch pump:

432hp, 454 lb

NB: a new OEM torque converter was swapped in between, but shouldn't have made a diff?
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Old 02-21-2012, 02:18 PM
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2005 E55 AMG
the torque converter (if bad) would have not been putting down optimal power as well - but nice gains in replacement!!!
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Old 02-21-2012, 02:18 PM
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Interesting...

I'd always wanted to see a before / after dyno for the IC pump swap.

That's the cheapest 60hp you'll ever buy!.... What, about $2/HP?


-G
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Old 02-21-2012, 02:20 PM
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2006 E55 AMG
Got to love that, enjoy your newly found powa
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Old 02-21-2012, 02:36 PM
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2005 E55 Wagon
Originally Posted by TonyC
Before:

371 hp, 411 lb

After service during which MB replaced pump with the most updated Bosch pump:

432hp, 454 lb

NB: a new OEM torque converter was swapped in between, but shouldn't have made a diff?
Can you also show a before and after AFR?
Last edited by jcjmw; 02-21-2012 at 02:37 PM. Reason: typo
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Old 02-21-2012, 03:11 PM
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e63 p30 estate
Originally Posted by jcjmw
Can you also show a before and after AFR?
Sorry, I only have the AFR from the first pull, as the wideband's connection to the dyno was kaput during the second session.
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Old 02-22-2012, 02:49 AM
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03 e55 amg
torque converter
hey mate

y did u change the torque converter ??

could u feel it was bad ??
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Old 02-22-2012, 07:11 AM
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2005 E55 AMG
I gained 35whp from a dead pump so yes, it matters...lol.
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Old 02-22-2012, 05:00 PM
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e63 p30 estate
Originally Posted by SuperchargerV8
y did u change the torque converter ??

could u feel it was bad ??
I was getting jerky stumblin' when I go on boost at low revs/low gears. Apparently there was some TSB issued, and the stealership just robbed MBUSA of $2000 and installed a new torque converter under the extended warranty. They first changed the tranny oil/filter, but obviously that didn't do much. It's better now, but certainly not worth the tq converter swap.

(Note to those who may eventually read this when/if I sell the e55 wagon: 50% of commonly failing parts on my car has now been replaced under warranty. I think the only thing isn't new are the airmatic shocks)
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Old 02-22-2012, 05:33 PM
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a unicorn tuned p30 e63
anyone know the best place to buy the bosch pump? i think my CM is done after about 2 years.
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