 914-6 relay board, need it for a six conversion?? |
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| grasshopper |
 Jan 13 2006, 05:53 PM
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#1
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Advanced Member  Group: Members Posts: 2,613 Joined: 10-December 04 From: Valdosta, GA Member No.: 3,258 Region Association: None  |
do i need to get an original 914-6 relay board to put a six in, or can i use a stock 914-4 one?? Would it make it easier with a 914-6 relay board?? one more question, what all plugs into the 914-6 relay board?? anything different from a 914-4 board? Thanks
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| ArtechnikA |
Jan 13 2006, 05:56 PM
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#2
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
no FI computer, for one thing :-) |
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| goose2 |
Jan 13 2006, 07:22 PM
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#3
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Senior Member Group: Members Posts: 976 Joined: 30-March 05 From: Eugene, Oregon Member No.: 3,847 Region Association: Pacific Northwest |
actually, you don't need a relay board at all
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| lapuwali |
Jan 13 2006, 07:47 PM
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#4
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Not another one! Group: Benefactors Posts: 4,526 Joined: 1-March 04 From: San Mateo, CA Member No.: 1,743  |
Just put in a fuel pump relay and fuse somewhere else, and run the rest of the wiring yourself. The rest of the relay board is useless to you, unless you have a rear window defroster, in which case you'd need a second relay for that. If the Six engine you use has an alternator with an external regulator, just mount it to the firewall, near the CDI you'll also run, or swap to an internally regulated alternator.
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| Markeydoo |
Jan 13 2006, 07:54 PM
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#5
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??? Group: Members Posts: 246 Joined: 10-April 03 From: Socal Ventura Member No.: 557 Region Association: None |
I used a 6 relay boardand had to modify my wire harness. If you do decide to use a 6 relay board let me know and I will e-mail you the wire harness mod I used. Also my car is a 75.
Mark |
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| grasshopper |
Jan 13 2006, 08:00 PM
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#6
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Advanced Member Group: Members Posts: 2,613 Joined: 10-December 04 From: Valdosta, GA Member No.: 3,258 Region Association: None |
i wasn't aware that i had to use the original CDI... i sold that months ago while parting out my 911. What purpose does the CDI serve? Kind of a stupid question... (IMG:http://www.914world.com/bbs2/html/emoticons/unsure.gif)
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| lapuwali |
Jan 13 2006, 08:05 PM
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#7
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Not another one! Group: Benefactors Posts: 4,526 Joined: 1-March 04 From: San Mateo, CA Member No.: 1,743 |
You don't have to use the original CDI, and MSD will do. Most people who run a 911 engine with carbs use a CDI, probably because the Webers usually run rich enough that plug fouling can be a problem.
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| Markeydoo |
Jan 13 2006, 08:06 PM
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#8
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??? Group: Members Posts: 246 Joined: 10-April 03 From: Socal Ventura Member No.: 557 Region Association: None |
I think it increases the spark?? (IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif)
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| Mueller |
Jan 13 2006, 08:10 PM
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#9
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None 
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CDI = Capacitive Discharge Ignition it supposed to increase the voltage going to the coil and some offer multispark up to 3,000 rpm or so. You can get a Mallory or other brand CDI which will be new and less expenisive (normally) than the factory CDI Here is a pretty good website on the different ignition systems out there: Ignitions |
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| Maltese Falcon |
Jan 13 2006, 08:13 PM
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#10
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Advanced Member Group: Members Posts: 4,694 Joined: 14-September 04 From: Mulholland SoCal Member No.: 2,755 Region Association: None  |
If you are going to run the 4 cyl relay board note that it uses a 12 pin receiver from the T4 engine. The 911 (or 9146) engine cable will have 14 pins on its end.
Just snap the top off of each respective cable end, wire all of your necessary 911 pins into the 12 pin receiver, re-snap the top and plug into the oe relay board. There are actually only several wires that you will be utilizing anyway--depending if it's CIS, motronic, or carb'd. Marty |
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| campbellcj |
Jan 13 2006, 11:35 PM
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#11
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I can't Re Member Group: Members Posts: 4,549 Joined: 26-December 02 From: Agoura, CA Member No.: 21 Region Association: Southern California
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My conversion is (barely) using the -4 relay board as well. As a "one of these days" projects I'd like to eliminate it.
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