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Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 14,726
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3.0 SC EFI conversion question
With all the talk of EFI conversion I have been thinking about doing this on my 83SC. I currently have a functional CIS system but would like to convert to EFI for the following reasons: clean up the engine compartment, increase fuel mileage and performance, have the ability for future upgrades via cams,pistons etc. Having said that I am interested in TBITZ's kit, independant throttle bodies or useing a Carrera intake system. In any of these scenarios I want to use the Megasquirt ECU because it appears to me to be an effective system for both performance and cost. Also being a DIYer I want to try and keep the costs down. I can pick up a Carrera intake system including manifolds, linkage, fuel injectors, fuel rails etc. for a decent price what do the experts here think of that approach? At the present time I am thinking of doing fuel delivery only and then add ignition control later. Any input from those that have gone thru this is appreciated.
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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06-13-2005, 03:35 PM
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Location: Geneva, IL
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I'm a bit biased, but I think you can't go wrong with any of the scenarios. If you truely want to keep costs down, I would think Tbitz's kit is the way to go. That is unless you can pick up a complete Carrera intake system - cheap.
If you a looking for the ultimate flexibility for future upgrades ITB's are the way to go. But cost is definitely an issue. It will run you about $1300 more than Tbitz's kit. Ignition control shouldn't run you more than a couple hundred over the cost of any of the kits. I would be more than happy to answer questions regarding my conversion.
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1971 Targa RS - Sold 1964 BMW 1800Ti 1969 BMW 2002 |
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06-13-2005, 03:51 PM
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Location: Dahlonega , Georgia
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I can pick up a Carrera intake manifold,all injectors,fuel rails,throttle body and a few other items for about $500.00, I'm thinking for about an additional 500 to 600 dollars I can purchase a Megasquirt ECU and a harness and basically have a working EFI system, am I off base on this route? What is the down side to this approach? I'm not looking for the ultimate setup but just a good working system.
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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06-13-2005, 03:58 PM
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3 restos WIP = psycho
Join Date: Feb 2005
Location: North of Exit 17
Posts: 7,665
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That sounds about right.
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- 1965 911 - 1969 911S - 1980 911SC Targa - 1979 930 |
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06-13-2005, 04:02 PM
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Location: Geneva, IL
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I think you will be really happy with that setup. I can help with the harness and ECU.
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1971 Targa RS - Sold 1964 BMW 1800Ti 1969 BMW 2002 |
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06-13-2005, 04:21 PM
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3 restos WIP = psycho
Join Date: Feb 2005
Location: North of Exit 17
Posts: 7,665
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Go with Mike's harness; that sucker is color coded and labeled. Whatever direction I go, that wiring harness will be tops on my list. I'll probably buy his ECU, too. I suck with a soldering iron...
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- 1965 911 - 1969 911S - 1980 911SC Targa - 1979 930 |
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06-13-2005, 04:26 PM
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