NO2 timing retard /RB MSD distributor/Rotor phasing ??
#1031575
07/13/11 09:03 AM
07/13/11 09:03 AM
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Joined: Jul 2005
Posts: 1,301 Penna
70satelliteguy
OP
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OP
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If I retard between 10-20 degrees of timing when using Nitrous on My 572 RB( 2 stages) will I HAVE TO Phase my Rotor to avoid problems? Is anyone doing this without phasing the rotor without any problems? I know that MSD makes a special Distributor cap and adjustable Rotor for my MSD distributor but it is supposed to be a much larger cap and I am worried that it may not fit without hitting my valvecovers! Thanks Mike
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Re: NO2 timing retard /RB MSD distributor/Rotor phasing ??
[Re: 70satelliteguy]
#1031576
07/13/11 05:08 PM
07/13/11 05:08 PM
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Joined: Oct 2007
Posts: 3,978 Hilltown Pa
1967dartgt
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master
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Hilltown Pa
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I won't try it with out phasing, 20* is a lot to take out. The larger cap is nice but not mandatory. I run the msd small cap on mine and phase it half way between nos and motor.
Brett Miller W9 cnc'd heads STR Chassis fabraction
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Re: NO2 timing retard /RB MSD distributor/Rotor phasing ??
[Re: 1967dartgt]
#1031577
07/13/11 05:45 PM
07/13/11 05:45 PM
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Joined: May 2008
Posts: 1,238 North Cackilacky
sdaurity
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You need a crank trigger. Chrysler dist is too small most you can take is about 10 degrees safely. How big are the kits? and what box do you have?
One day I will have something cool here.
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Re: NO2 timing retard /RB MSD distributor/Rotor phasing ??
[Re: 1967dartgt]
#1031583
07/14/11 07:55 PM
07/14/11 07:55 PM
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70satelliteguy
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I do not have a crank trigger. MSD does make a larger cap AND a Adjustable Rotor for the Pro Billet distributors that allows you to phase your rotor for timing retard during nitrous use. I ordered one today from Summit and it will be here tomorrow. I was just wondering at what point( how much retard) one has to worry about doing this and if the larger cap will fit a RB without any trouble. 67dartgt quote "I run the msd small cap on mine and phase it half way between nos and motor." Is there an adjustable Rotor available for the small cap or is there another way of phasing a rotor other than the adjustable one ??? Thanks Mike ??? --------------------
Last edited by 70satelliteguy; 07/14/11 08:01 PM.
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Re: NO2 timing retard /RB MSD distributor/Rotor phasing ??
[Re: sdaurity]
#1031585
07/15/11 09:06 PM
07/15/11 09:06 PM
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Joined: Oct 2007
Posts: 3,978 Hilltown Pa
1967dartgt
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master
Joined: Oct 2007
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Hilltown Pa
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I would think with the high dollar parts inside you would spend a little money on the outside.
Brett Miller W9 cnc'd heads STR Chassis fabraction
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Re: NO2 timing retard /RB MSD distributor/Rotor phasing ??
[Re: 1967dartgt]
#1031586
07/16/11 01:21 PM
07/16/11 01:21 PM
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70satelliteguy
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"MSD does make a larger cap AND a Adjustable Rotor for the Pro Billet distributors that allows you to phase your rotor for timing retard during nitrous use." Are you guy's saying that these parts will not work? How much is involved in going with a crank trigger? I am not familiar with them! Mike
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Re: NO2 timing retard /RB MSD distributor/Rotor phasing ??
[Re: 70satelliteguy]
#1031587
07/17/11 01:55 AM
07/17/11 01:55 AM
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Joined: Oct 2007
Posts: 3,978 Hilltown Pa
1967dartgt
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master
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Hilltown Pa
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The risk doesn't out weight the benifit. If one time it doesn't work and it destroys the motor was it worth it? A crank trigger is easy bolt on deal, hardest part is lining up the belts after you bolt it on.
Brett Miller W9 cnc'd heads STR Chassis fabraction
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Re: NO2 timing retard /RB MSD distributor/Rotor phasing ??
[Re: Big B]
#1031592
07/17/11 09:44 PM
07/17/11 09:44 PM
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70satelliteguy
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bigB were you using the new MSD Flying Magnet crank trigger? According to MSD "The non-magnetic pickup cannot be false triggered" I also am running the 140 PowerMaster alternator on a low mount,2 electric fans and I also run a regular oil filter so I might have to mount it fairly close to the alternator . I don't want to buy something that will not work!!! Mike
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Re: NO2 timing retard /RB MSD distributor/Rotor phasing ??
[Re: 70satelliteguy]
#1031593
07/18/11 01:44 AM
07/18/11 01:44 AM
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Joined: Apr 2007
Posts: 325 Greenville, WI
Big B
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Greenville, WI
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I have the MSD crank trigger. MSD lies when they say it can't be false triggered. I had nothing but problems and was a waste of 300 dollars. MSD sells an adjustable race rotor for small diameter distributor. P/n 84211. I put that on, phased it, and all my problemms went away. Should have just done that in the first place. :| Someone else on here had the same problem a couple years ago. Never did say what he did to fix it. Good luck.
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Re: NO2 timing retard /RB MSD distributor/Rotor phasing ??
[Re: Big B]
#1031594
07/18/11 08:59 AM
07/18/11 08:59 AM
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70satelliteguy
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BigB thanks for the reply! I may try the adjustable race rotor like you and 67dartgt use but I have a question? Do you guys use much nitrous and how much are you retarding with the small cap and adjustable race rotor? Thanks Mike
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