5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

distributor

Old 05-21-2006, 11:21 PM
  #1  
FiveLiterRiceEater
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Default distributor

I know a lot of you guys are saying dont replace your dizzy when you upgrade the ignition. Why is that? what are the advantages of keeping the stock distributor over getting a mallory or an msd?
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Old 05-21-2006, 11:28 PM
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AdderMk2
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Default RE: distributor

the aftermarket distributors are prone to failure... and all they really offer is something nice to look at
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Old 05-21-2006, 11:49 PM
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Steeda1716
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Default RE: distributor

i also herd there is no gain over upgrading your ignition unless you have a beefed up engine..
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Old 05-22-2006, 12:05 AM
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Default RE: distributor

how beefed up? i'm gonna swap in a 331 stroker pretty soon.


nice quote by the way hahaha
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Old 05-22-2006, 12:10 AM
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PRO50SC
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Default RE: distributor

ORIGINAL: FiveLiterRiceEater

I know a lot of you guys are saying dont replace your dizzy when you upgrade the ignition. Why is that? what are the advantages of keeping the stock distributor over getting a mallory or an msd?
I could ask the same question! What's so great about an aftermarket distributor? I mean, think about what the distributor actually does. It has one sole purpose in life, do distribute spark. That's it, nothing else. Save your money!!!

ORIGINAL: AdderMk2

the aftermarket distributors are prone to failure... and all they really offer is something nice to look at
Exactly!!!
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Old 05-22-2006, 12:16 AM
  #6  
tinman
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Default RE: distributor

Ok,
1) Factory O.E. dizzy is 'ok' for 150,000 miles or so. Then wear shows up in the bushings that were designed by the bean counters to be as cheap as possible. Advance system is the same way.
2) Most of the aftermarket dizzy's are qaulity parts, some even have real bearings and vacumn advance as well as mech advance systems that were made to be tunable. You get what you pay for.
If you ever get a hold of an antique speed equipment catalog from the 30's, 40's, even the '70's-'80's you will see lots of dizzys. I think that Mallory has been in business since the 1930's.
Point is, folks have been having problems with O.E. dizzy's for a long time......
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Old 05-22-2006, 12:19 AM
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Default RE: distributor


ORIGINAL: tinman

Ok,
1) Factory O.E. dizzy is 'ok' for 150,000 miles or so. Then wear shows up in the bushings that were designed by the bean counters to be as cheap as possible. Advance system is the same way.
2) Most of the aftermarket dizzy's are qaulity parts, some even have real bearings and vacumn advance as well as mech advance systems that were made to be tunable. You get what you pay for.
If you ever get a hold of an antique speed equipment catalog from the 30's, 40's, even the '70's-'80's you will see lots of dizzys. I think that Mallory has been in business since the 1930's.
Point is, folks have been having problems with O.E. dizzy's for a long time......
Never had a problem w/ mine. Had a bunch w/ the MSD I bought though. 2 modules in 2 weeks!! Sent that crap right back to Summit. Put the stocker back in and never any more problems.
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Old 05-22-2006, 12:26 AM
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FiveLiterRiceEater
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Default RE: distributor

the only problem i ever had with a oem ford dizzy was the tfi module on my moms truck. would you guys ever replace the oem unit? even if you had a whole other engine you were building?
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Old 05-22-2006, 01:17 AM
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AdderMk2
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Default RE: distributor

the only reason I would get one is if i swapped to a 351 and couldnt find a stocker
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