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Registered
Join Date: Jan 2004
Location: Falls Church, VA
Posts: 1,177
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What DMEs can I use?
got an '88 944. DME has Autothority chips in it, and I would like to swap them out for stock for various reasons. Unfortunately the PO lost them and the '88 DME is apparently one year only (ends in 05.) I have seen a couple -04 and -06 DMEs for sale but no -05s. Can I successfully/safely try any of those or should I hold out for another -05?
thanks nate
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1988 944... and a bunch of other cars 
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05-29-2008, 07:32 PM
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Writer/Teacher
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When I chipped my old 83 944, I was surprised to see that it had a 1987 DME. Car ran fine. I think you would PROBABLY be okay...
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Current Stable: Black 07 Porsche 987 Cayman S: Long-Tube Headers; FabSpeed Exhaust; VividRacing ECU Tune; IPD Plenum; 997GT3 Throttle Body. Blue 1983 Porsche 928S. 1985.5 Porsche 944 Rat Rod. 2011 Acura MDX. 2008 Mazda 3. Gone But Not Forgotten:Garnet Red 86 Porsche 951("The Purple Pig"). Alpine White 83 Porsche 944 ("Alpine Wolf"). Guards Red 84 Porsche 944. |
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05-30-2008, 06:03 AM
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In the Fires of Hell.....
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Was it in '87 or '88 where they increased the compression ratio on the NA's?
That might be the reason for the different PN's, and could affect your using an older DME in your '88 car. Someone who is sure needs to chime in on when that change was made  Cheers, Keith
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PCA Instructor: '88 951S - with LBE, Guru chips, 3Bar FPR, 1.3mm shimmed WG, 3120 lbs, 256 RWHP, 15 psig boost |
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05-30-2008, 09:46 AM
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Certified Porsche addict
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I'm not sure about the DME's but the '88 944 and 924S shared the same higher compression engine than the '87 models.
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Tennessee Region SCCA & PCA Current projects - '87 944 Turbo, '87 924S, '82 931, '10 Boxster (the girlfriend) Past projects - '83 944, '02 Boxster (x2), '99 Boxster, '14 Cayman,'72 Opel GT, '75 280Z, '90 300ZX, '87 944S, '87 944 Turbo, '88 924S (x2), '07 Cayman S, '73 914, '88 MR2 AW11 |
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05-31-2008, 03:54 AM
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Registered
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higher compression motors were 88 only - 944 and 924s- i believe the computer would be different just that year.
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"Racing is life, everything else is just, waiting" '64.5 mustang- protouring project '08 Sierra 4x4 - daddy mobile '13 Odyssey - mommy mobile |
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06-01-2008, 06:59 PM
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