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Injector Spacing Dimensions 3.0
I've searched.....but, apparently my search terms are too common.
What is the fuel injector spacing on a 3.0 engine with CIS? I can get close by measuring....but, I'd like to have hard dimensions if possible. I'm going to have custom fuel rails made. TIA Damon in STL
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Damon in STL 1977 widebody with 3.0 1989 BMW M3 M42 1.8 Turbo Race Car |
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08-28-2014, 03:52 AM
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Join Date: Feb 2006
Location: Ontario Canada
Posts: 2,947
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Can we ask why ?
CIS are a totally manually injector and depend on pressure to open. Each has its own feed directly from the distributor to enure correct pressure to open the injector. I would think a "fuel rail" in a CIS application may not yield desirable results.
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1976 Yamaha XS360 ( Beats Walkin') 1978 911 SC Targa ( Yamaha Support Vehicle ) 2006 Audi A4 2.0T (Porsche Support Vehicle ) 2014 Audi A4 2.0T Technik (Audi Support Vehicle) |
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08-28-2014, 04:40 AM
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Converting spare CIS to EFI....
Damon in STL
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Damon in STL 1977 widebody with 3.0 1989 BMW M3 M42 1.8 Turbo Race Car |
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08-28-2014, 05:09 AM
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118mm
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Going by my memory, if you measure out from the middle injector midpoint, the outside ones are both 118mm distant. Does this tie in with your measurements? Peter 78 3.0 SC PS: you can buy these already made up from the Bitz EFI Kit guy (Tony?) Last edited by zelrik911; 08-28-2014 at 06:33 AM.. Reason: sp |
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08-28-2014, 06:30 AM
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Quote:
I'm not sure if the dims match yet or not. I was planning on pulling off enough parts to try and get an accurate measurement with the engine in the car. I've been in contact with Tony at Bitzracing about the system he sells. The problem is I want to run both fuel and ignition with Megasquirt. I currently run Megasquirt on my BMW race car and have a spare MS unit I want to use with the 911. If I can't buy his kit without the ECU...it starts to make sense to build my own using higher quality parts and using my spare ECU. Also, I do have an email in to Tony asking if he will sell just the parts I need. Cheers!
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Damon in STL 1977 widebody with 3.0 1989 BMW M3 M42 1.8 Turbo Race Car |
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08-28-2014, 09:42 AM
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I read on this Forum (somewhere!) that he would supply components of his kit.
Keep us posted on his reply and the true injector spacing measurement, once you have verified it. Peter 78 3.0 SC |
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08-28-2014, 06:56 PM
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Porsche
