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  1. #41
    B15 rebuild underway!!
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    Quote Originally Posted by Storm88000 View Post
    I have a more general question - where do you guys mount your MSD boxes? Right now mine is just sorta hanging out on the passenger side floor by the ECU.. but I want to put it somewhere I can see it/access it better. The problem is, it was wired with very little slack, so there's not many options. This may be a dumb question, but do I need a special gauge of wire to splice into it to mount it somewhere better?
    No special AWG of wire would be required. Just match the wire size that is currently being used. You could even go bigger if you want, just try not to go smaller. 18 AWG would more then suffice, you could even do 16 if you wanted. The existing wire is probably (just a guess) 18-22 AWG.

    I think some people have had issues with having their MSD box in the engine compartment. Cold and moisture conditions seemed to have affected the stability of the unit in these cases. Others have had no issue with having it in the engine bay area. Personally, I like the idea of having it inside the car somewhere, as it keeps it away from the elements.
    Last edited by B15NEOVVL; 06-23-12 at 03:16 PM.
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  2. #42
    Oh well....
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    Quote Originally Posted by blairellis View Post
    4700 here
    Hmm, I'm wondering if I should set mine a little lower. It seems under normal driving I rarely go over 4500 rpms with the 4.44 gears, perhaps I may benefit from dropping it down to around 4800. I have it set now at 5000

    Digital RPM Window Switch - 8969
    Last edited by Storm88000; 06-28-12 at 04:58 AM.
    Jordan
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  3. #43
    99B14 SE-L Powered by VVL
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    Hey yea...i bought my car with the vvl already swapped to it. N it seems the guy that put my msd on wired it straight to the battery but with no switch. So it kills my battery in a matter of hours. Since im not to familiar with it i was wonder if someone could help me?

    VVL Powered B14

  4. #44
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    ....shouldnt kill in a matter of hours, otherwise your battery sucks, mines wired right into the battery and lasts for weeks before its enough of a drain to drain the battery.
    Warning!!! NOT RESPONSIBLE FOR POSTS MADE AFTER 8:30 PM PST AS I HAVE ALOT OF MEDICAL PAINS AND TAKE LOTS OF PILLS TO SLEEP!!!Warning
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  5. #45
    99B14 SE-L Powered by VVL
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    Thats wierd....i had an exide battery 35. But even if it was a crappy battery. I want the msd to turn on wen my car does. Cuz i also have a car alarm so i dnt wany msd and car aarm to stay on 24-7

    VVL Powered B14

  6. #46
    Engine Builder
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    Quote Originally Posted by dudespencer View Post
    Hey luke you say that you use #3 wire blue/orange from ecu for rpm signal, is this for a b14 because other people say use the black/blue wire from the ecu or is that for b13 ecu. I have a b13 and getting no signal from blue/orange wire off ecu
    It is the number three ecu wire on both b13 (OBD1) and b14 (OBD2). And I think it's the same color on both, blue/orange.
    Lance

    Contact me if you'd like to discuss having your engine rebuilt or if you want a custom built engine.

  7. #47
    Engine Builder
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    Quote Originally Posted by Vadim View Post
    Have you ran the power from else where? Running it directly from the battery would mean the MSD switch is always on.
    I ran it straight off the battery with no relay because I didn't want to hunt down an ignition power source. I have had no problems with it, however, I'm using the MSD8950 which is basically just a glorified relay. The 8969 would be different and would be better off on an ignition source such as the cigarette lighter. I simply didn't want to hassle with it and did mine the lazy way as far as power.
    Lance

    Contact me if you'd like to discuss having your engine rebuilt or if you want a custom built engine.

  8. #48
    Engine Builder
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    Quote Originally Posted by LeadFoot View Post
    Hey yea...i bought my car with the vvl already swapped to it. N it seems the guy that put my msd on wired it straight to the battery but with no switch. So it kills my battery in a matter of hours. Since im not to familiar with it i was wonder if someone could help me?

    VVL Powered B14
    I assume you're using the 8969. You can run a wire from your cigarette lighter to the incoming power for the MSD switch and that will supply ignition power to the unit.
    Lance

    Contact me if you'd like to discuss having your engine rebuilt or if you want a custom built engine.

  9. #49
    Engine Builder
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    Sorry for not staying on top of this thread guys. Been away from the community for a while. I'm going to try to be back on here as much as possible from now on. You can also pm me if you have any issues. You may also call or text me at 509-991-7598. My name is Lance.
    Lance

    Contact me if you'd like to discuss having your engine rebuilt or if you want a custom built engine.

  10. #50
    SR since 2005
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    I have a quick question (I know it's an old thread, but hopefully someone can chime in). Wiring it the way here controls both solenoids at the same time/same RPM correct? If you bought two MSD boxes, and wired them separately, can you control the switch over point independently?
    www.2literturbo.com <--- My Personal Build Site
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  11. #51
    Turbo Junky
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    Yeah but from what I heard its pointless because the gains are minimum.
    Once you go turbo you'll never go back!!! :racer:

  12. #52
    Engine Builder
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    Nissan designed the VE from the factory to switch the cams over independently for a smoother more linear power increase. It's not really worth the cost IMHO.
    Lance

    Contact me if you'd like to discuss having your engine rebuilt or if you want a custom built engine.

  13. #53
    SR since 2005
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    Quote Originally Posted by LukaMcCloud View Post
    Nissan designed the VE from the factory to switch the cams over independently for a smoother more linear power increase. It's not really worth the cost IMHO.
    If they switch independently, then wouldn't it be advantageous to do the same with two switches? Any one know the delta between both intake and exhaust cam switchover points and which is first? Just trying to learn, still a VE noob, lol.
    www.2literturbo.com <--- My Personal Build Site
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  14. #54
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    There are no power or fuel efficiency increases. They switched them independently, like I already said, for a smooth linear power gain. In other words so you don't notice them engage.

    We are tuner car fanboys and want to notice that shit, so quit worrying about switching your cams at different points, go Honda on that shit and switch them both at 5000. Lol oh wait, I might start a bickering war with that one lol. Everyone has different opinions on what you should set your cams to. Some people have dyno proven results on what the best cam activation point is. Dyno results never, to my knowledge, proved to be beneficial for anything other than smooth power.

    Iirc Intake switches at 5200 and exhaust at 5600 or 5800 on OEM setup SR20VE cars.
    Lance

    Contact me if you'd like to discuss having your engine rebuilt or if you want a custom built engine.

  15. #55
    Oh well....
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    Question about the MSD8989 box itself - when I turn my accessories or motor on, it cycles through, says what RPM its set at, how many cylinders (4) and then it says 120. Whats the 120 for? It can be moved up to 150 or 100 I think, it's always been left at 120 for a second then turns to displaying the current idle speed of the motor, it only comes on once when the MSD switch is first turned on.

    I never bothered to adjust it until tonight, but its too late or early to start the motor and see what it does
    Last edited by Storm88000; 05-19-14 at 04:19 AM.
    Jordan
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  16. #56
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    I finished my sr20ve swap from my sr20de in my 97 200sx and I have my switch hooked up like LukaMcCloud said in the first post.(but I have my rev wire ran to my distributor). The tach works. It all works good when I get to the set (5100) rev on my box. The only problem I'm having is it will periodically switch on when it is idling .
    Has anyone else had this problem. I'm looking for a solution.

  17. #57
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    I have the jegs 40822 activation switch

  18. #58
    SR20VENENO
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    HI bringing this back from the dead , i want a clear solid answer to the question that never got answer, i want to wire the msd pill from a 12v source that when the car is off the pill is off as well, there's gotta be a wire inside the bay VS running it all the way to my ignition switch any solid imput will be greatly appreciated, got new battery & new alternator but i have viper alarm + the pill always on i think its draining the juice from the battery in this cold colorado weather, thanks
    Started from the bottom Now we're here?

  19. #59
    SR20VENENO
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    Any input?
    Started from the bottom Now we're here?

  20. #60
    SR20VENENO
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    ???
    Started from the bottom Now we're here?

  21. #61
    SR20VENENO
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    Day2???
    Started from the bottom Now we're here?

  22. #62
    SR20VENENO
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    day 3???
    Started from the bottom Now we're here?

  23. #63
    John 5:24
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    I would say hooking up to the cigarette lighter should work pretty well. It's pretty easy to get to and there's a hole nearby in the firewall to bring it right into the bay. Should be nice and tidy.

  24. #64
    SR20VENENO
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    Quote Originally Posted by SE-Rtainlyb13 View Post
    I would say hooking up to the cigarette lighter should work pretty well. It's pretty easy to get to and there's a hole nearby in the firewall to bring it right into the bay. Should be nice and tidy.
    Dang was hopping for a quick attachment inside the engine bay but if im gonna have to wire it to the cigarette lighter might as well brin the whole pill to the cabin that and just run them solenoids wires

    - - - Updated - - -

    I appreciate the idea, any others still welcome
    Started from the bottom Now we're here?

 

 
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