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Anyone got an official 993 ignition map in table form?
Couldnt find...saw Steve's chart and some linear ones but nothing in table format like the MS3/Rasant/etc |
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Suppose I should post this here as well. This is pretty close since I swapped to ~25lbs late 90s Corvette injectors (Bosch 0280155931) with Bosch 044 fuel pump @ 65psi. These injectors flow somewhere around 30lbs at this pressure. I may have some more room for ignition timing but don't want to push it until I get it on the dyno. I added a bit more timing while logging but fuel table did not want any more or less fuel. I figure less timing is better if it's not asking for fuel changes.
74 Carrera with RS flares :D Engine build: 2.8 twin plug, ITB (Triumph). AEM Infinity 506 Rasant cam and crank sensor (ZF Hall) 10.5:1 JE pistons, standard included rings 92mm Mahle liners, Millenium tech restored DC65 cam 39/38 ports. standard valve sizes Carillo rods 964 oil pump (I see about 18-19lbs oil pressure, digitally measured, idle) Euro racing headers aluminum flywheel M & K 2 in 1 out currently running NGK 8 heat range, but I think those might still be a bit too hot reading after hot run, going to try 9s These heads, even with 39mm intake port andvery long duration cam, seem to max flow somewhere between 6000-7000rpm. idles ok around 1200. Wants very little fuel due to cams which have tons of overlap. Very streetable engine though, easy. http://forums.pelicanparts.com/uploa...1602430032.jpg http://forums.pelicanparts.com/uploa...1602430032.jpg http://forums.pelicanparts.com/uploa...1602430032.jpg |
Hello everyone, and thanks for all those that have posted and contributed.
Here is my setup, so hopefully someone can get me something to start the car: 1992 3.6, freshly rebuilt and completely stock internally 46mm pmo itb from Rasant Infinity 6/8h TPS, MAP, Crank sensor Built the harness myself Bosch coil on plug What else am I missing here? Can anyone supply me with software to get it running? Thanks Thomas |
Hello Thomas. If you got your kit from Rasant contact them and see if they have one. Andrew is quite helpful.
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Anyone else try Link's ECUs? I saw their software at a tuner now and it is a sharp system. Same connectors as Motec otherwise. |
Thomas,
If you visit Steve Wong's web site, 911chips.com, you will find some ignition map information for the 964 and 993. I thought about posting some of that information here, but it appears to be copyrighted. |
I recently made an alternate tune for my car that is...lets say a bit more juvenile.
Anyone want to guess what outcome i was going for? Clue - If it was a Japanese car, you could fairly call it a ricer mod! not sure how that translates to German car culture. http://forums.pelicanparts.com/uploa...1604687483.jpg |
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@CheshireCat and @Hi_Fi_Guy you're both right. I had to turn off my decelFuelCut to get the most pops and bangs and fire from it. Otherwise the fuel cut kills all the fun. It makes your car very noticeable when you're engine braking beside other cars with their windows down!
I should get a trim pot switch so i can flick back and forth from the regular, more polite tune and the pop n bangs tune. I also picked up an ethanol sensor that I need to install. not boosted yet or anything that needs e85 but it would be interesting to know what I just pumped into my tank. What I still haven't been able to figure out is how to get my two-step to sound like a modern 911 Turbo S's launch control. Mine just sounds like blarp........blarp........blarp.......blarp. I want more of a ga.ga.ga.ga.ga.ga.ga.ga. |
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Hello guys,
I am a huge reader of this formum for a couple of years and the read fixed a lot of questions so far :) I am running the following gear: 86 3.2 internals stock euro spec taylor made 48mm ITBs Alpha N engine control EMU Black ECU Equal lenght headers with stock heat exchangers 964 exhaust after 2 years fighting all kinds of issues and different ECUs I am super happy with the result now. But one worry is somehow left: My fuel tables look super lean, but the spark plugs and the Lambda say ist fine, even still a bit rich. All other tables look way richer... Do I need to worry for some reason or did i miss something? Happy for any response! Thanks Attached are my ignition and fuel tables based on TPS/ RPM http://forums.pelicanparts.com/uploa...1627033707.PNG http://forums.pelicanparts.com/uploa...1627033707.PNG |
Your axes being reversed what most of us run is playing games with my brain.
But if you can only go 20 cells in Y and 16 in X, I understand why you did it. |
Hi my names Jeff and I’m new to this forum, but not new to Porsches. I worked with Chris Flavell ( fetuhoe ) at Fenn Lane, where I started this project 5 years ago.
Here’s my hardware and I’m ploughing through the maps trying to get it running better. Useful information on here, I clearly need to add more advance to my ingnition at 2000 rpm Now that’s a job for Monday http://forums.pelicanparts.com/uploa...1628407962.jpg Engine is a 2.7 911/81 totally standard with 98mm tall manifolds with injectors in the base, with high butterfly throttle bodies 41mm with 955i injectors and shafts. All the Aluminum parts, manifolds and throttle bodies I’ve had cast and machined in the U.K., all the linkages are laser cuts, and the cross tube is a based on the Weber one. I’ll add my maps, once they are sorted. |
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I run a few correction tables for fuel and ignition which do a fabulous job. Idle is way better then before switching to ITBs. The correction tables below is what helps a lot Idle Trgt: Target Idle in correlation with temp Idle ign contol: any deviation from target idle will be corrected via advance idle ign VS CLT: advances my ignition based on temp warmup enrichment: just a bit more fuel based on temp Those settings helped a lot for start up and idle. Best!http://forums.pelicanparts.com/uploa...1628778801.PNG |
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Hi all,
I’m in the process of tuning my 77 2.7 x-factory EFI ITB conversion and would like to see some others for comparison. I’m working through some stumbles during acceleration and just need something to compare to. Thanks in advance!! |
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