How to tell the difference between a mopar performance and a stock electronic one ??

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Brooks James

Brooks James

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Distributor that Is,
so i have read that magnums need Less advance than la, around 33*
To change the total advance do i need springs and weights ??
 
70aarcuda said:
is there a tag on the distributor?
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No gor it from another member yrs ago
It Is supposrd to be mp

0912211442_HDR.jpg
 
The brass colored end on the shaft is supposed to only be on MP units, not factory ones.
 
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I was getting 24 degrees mechanical advance i dialed mine back to 18. Im running 16 intial and 34 total and I have 12 in the can.
 
Dang....Rick Ehrenberg wrote that the brass meant it was an MP unit. I have 2 of them that match that description.
 
Brooks James said:
To change the total advance do i need springs and weights ??
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Maybe/maybe not.
As for Power-Timing, on the street;
The engine will usually tell you by rattling when you give her too much, and by being a lil lazy if not nearly enough.. In between, you get to fool around. I wouldn't sweat 3* short of ideal. You can sneak up on that as time goes by.
 
AJ/FormS said:
Maybe/maybe not.
As for Power-Timing, on the street;
The engine will usually tell you by rattling when you give her too much, and by being a lil lazy if not nearly enough.. In between, you get to fool around. I wouldn't sweat 3* short of ideal. You can sneak up on that as time goes by.
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That Sound Good, however Will be running nitrous and 3* Is a big difference, Will start at at 30* total , take out 6* on nitrous, (2 per 50 hp) read the plugs, adjust the nitrous jets and carb jets, and go from there.
Thanks
 
Brooks James said:
Mine has the brass shaft, there Is an opening on the plate that Looks like i can reach the advance screws without remiving the breaker plate and definitely has an adjustable advance
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I would just take it out its easy and you can make a more accurate adjustment.
 
Kern Dog said:
Dang....Rick Ehrenberg wrote that the brass meant it was an MP unit. I have 2 of them that match that description.
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If that's what Rick wrote, it still could hold true I guess??? Brass means it's a MP unit doesn't necessarily mean that all MP units were brass??
 
xLURKxDOGx said:
Like the new ones licensed by mopar?
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Tbo im not 100 percent sure I bought it off a member here he said it was a new mp distributor it dont have any markings or tags it could be a proform or whatever that other company that makes them is.
 
Every MP one I ever had was machined on the outside, not rough cast like the stock ones.
 
A recent thread on this forum said the adj centri curve dists were based on a Mallory dist & were dols as MP units.
 
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