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Old 01-18-2009, 12:27 AM
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RBYCC RBYCC is offline
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Join Date: Mar 2007
Location: DELAWARE
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300ce turbotechnics dyno revisit






LET'S START AT THE BEGINNING !

Published ratings for 1988 300CE M103-12V are 177HP / 188 Torque.

Baseline dyno done on 3/30/2007 was 136HP / 145 torque.
Pulls were made on a Mustang load dyno which indicates about 18% lower then an inertia dyno.

Drive train loss = 30%.

Turbotechnics kit installed with only mod being the application of a Split Second stand alone controller to fire the two additional injectors.
KE-Jetronic and fuel delivery system remains stock.

5/24/2007 dyno pull 196HP / 221 Torque.

After I got the car back I replaced the supplied intake and boost coil hoses with silicon and aluminum tube.
The supplied Fram panel filter was replaced with a K&N filter.
The R16 resistor removed to pull about 6 degrees advance.

Today I put it back on a Mustang load dyno to see what my mods produced.

1/17/2009 219HP / 254 Torque.

The AFR was great under boost at 11.9 under full boost.
What was noticed was that the boost was only at 6.2 max with an average of 5.4

So about two turns on the wastegate linkage on the Garrett T2's and...

261HP / 302 Torque

This is at the rear wheels.
Max boost now 7.3 with a 6.9 average.
Add back the 30% drive train loss and it's at 340HP / 393 Torque.

Torque is significant...back end goes out with any hard throttle on the 2-3 shift !!!

More boost ???
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1971 280SL ROADSTER
1988 300CE TWIN TURBO WIDEBODY
1994 E320 CABRIOLET
1999 C43 AMG
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