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Steve W Steve W is offline
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Join Date: Nov 2001
Location: PV Estates, CA
Posts: 2,256
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Hugh, as you have 0261200050 DME with a 1267355102 - 24 pin chip, this is a U.S. spec 2k chip which was originally speced for the 84 Carrera's. U.S. 84-86 3.2 were factory speced at 207 hp, although mated with the higher compression of you 930/20 motor, is probably putting out somewhere about 210-211. European 231 hp Carreras which were later owner retrofitted with cats, O2 sensors, and a U.S. DME were factory rated at 207 after the conversion. There is some speculation that '87 up European Carreras were manufactured with the lower 9.5:1 CR though, although Steve Darnell of the U.K. Club Sport register tells me otherwise. Some may wonder, why would a owner opt for a power decline by spending the money to emissions retrofit a Euro spec 911. In Germany, your vehicle's annual taxation is based on your emissions equipment and level of emissions. A standard 930/20 as came from the factory without any emissions equipment would now pay about 800 Euros each year. With emissions equipment such as a U.S DME, O2 sensor, and cat, your emissions tax is between 0 to 320 Euros/year. Adding a aftermarket ceramic cat would bring you up to Euro1 specs, with the stock ceramic cat qualifying you for EU2 levels. Installing a high performance metal cat perhaps with longer monoliths than the stock ceramic cat may even bring you up to EU3.

If you were to maintain your cat, and install a European style chip, or a modified version of one, there is no reason your car should not be brought up at least to near original European levels. The average condition stock ceramic cat we have measured to produce a 6 rwhp restriction, your results may vary depending on the condition of yours. No need to worry about any jumpers or setting right now, as they are mainly used for the 87-89 DMEs to select from one of three different sets of fuel and ignition maps, based on engine specs and country of destination. The European 84-86 chips do not have such multiple maps. See you soon.
Old 01-05-2004, 02:36 PM
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