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Anyone use an MSD 'ready to run'

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Someassemblyrqd View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Someassemblyrqd Quote  Post ReplyReply Direct Link To This Post Topic: Anyone use an MSD 'ready to run'
    Posted: Jan/11/2019 at 4:16pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jcw1970 Quote  Post ReplyReply Direct Link To This Post Posted: Jan/10/2019 at 3:56pm
What do you do with the yellow wire coming from the regulator?

70 Javelin SST
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Post Options Post Options   Thanks (0) Thanks(0)   Quote irish13jeff Quote  Post ReplyReply Direct Link To This Post Posted: Jun/04/2012 at 7:09pm
I'm converting my HEI over to run the MSD 6a. I would like to hear what changes in plug gap you guy's have made if any. Mine is currently set at .035 with just the HEI.
Please don't tell my parents I'm a truck driver..... They think I'm a piano player in a whore house...

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Post Options Post Options   Thanks (0) Thanks(0)   Quote 71AMX4014SPD Quote  Post ReplyReply Direct Link To This Post Posted: May/23/2012 at 8:12am
All of you that are using the "ready to run", any preference on spark plug type? I will be using that distributor, comp ratio 9:1. 
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1970 AMX 390 4spd Bayshore Blue
1971 Jav/AMX 401 4spd B6
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bob401 Quote  Post ReplyReply Direct Link To This Post Posted: May/23/2012 at 1:09am
I have the ready to run with asummit tach and no issues..  I wish I would have bought it sooner.. I have used prestolites and thsoe were surprisingly okay..  But when I switched to the Motorcrafts and trying TFI .. they would run what i thought was good. then after Ignition module # 10 (over a few years) I switched to the Ready To Run and haven't looked back... God Bless that thing
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 343sharpstick Quote  Post ReplyReply Direct Link To This Post Posted: May/22/2012 at 9:37pm

I have my MSD ‘Ready to Run’ in the car and I have been driving it for a few weeks now. I too am running the silver (25deg) bushing and the two blue springs.


I have it wired without the 30A relay. The car starts and runs great. The tach seems correct up to about 4,000 RPM then gets a little, um, independent??


I’m going to pick up a relay and see if that corrects the higher RPM tach behavior.


Thanks DesertAMX for your help and information!

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Post Options Post Options   Thanks (0) Thanks(0)   Quote 70 Javelin Quote  Post ReplyReply Direct Link To This Post Posted: Apr/27/2012 at 6:48am
DesertAMX-

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Post Options Post Options   Thanks (0) Thanks(0)   Quote DesertAMX Quote  Post ReplyReply Direct Link To This Post Posted: Apr/27/2012 at 12:18am
Hi 70 Javelin,  I agree with jeremy0711.  The tach does need to be inline (series) with the 12v line before the coil, with the proper polarity per the TSM.  You do not need the tach adapter.  Funny you mention the bouncing, I am trouble shooting a used tach that I bought for another car and it bounces at low RPMS.  Have not torn into it yet, but I am pretty comfortable with component level circuit repairs.  I will let you know what I find.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 70 Javelin Quote  Post ReplyReply Direct Link To This Post Posted: Apr/26/2012 at 12:00pm
Jeremy0711,

The shop wired up the tach inline to the ignition (as per original wiring diagram) and the tach only blips less than 200 rpm........... someone may of wired it backwards, I don't know-

I took your comment about tach expense to heart and regrettably ordered an aftermarket for the steering column. Cry


Edited by 70 Javelin - Apr/26/2012 at 12:01pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jeremy0711 Quote  Post ReplyReply Direct Link To This Post Posted: Apr/21/2012 at 12:30pm
Your tach should be inline to the ignition before it goes to the coil so you wouldn't have to wire it up any differently. If you were to buy a digital box like a 6al or something similiar then you would need a "current sensing" tach adapter. You are just running a distributor and an aftermarket coil and will not need anything else in line for the tach. Just don't wire up your tach backwards as it will burn up the tach and if you thought that distributor was expensive....
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