Mallory Unilite....JUNK????
#63298
05/25/08 04:21 PM
05/25/08 04:21 PM
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Joined: Jan 2003
Posts: 2,280
808CUDA
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,280
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Last night went to Cruise Night with a good friend and his 440 Coronet convertible. As soon as we pulled in after a 30 mile drive, his car died out. A quick check and we discoverd the fuel pump quit (btw, recently replaced). Luckily a friend has one and he had his son swing it over to us (Thanks Scott (SCRAG) ) Get the pump in and now we had fuel but lost spark. After making checks, come to find the Mallory Unilite module in the Mallory distributor had toasted. The only thing we had done to the distributor prior was disconnect the connector to disable ignition when checking fuel. His ignition system is comprised of the Mallory Unilite Distributor, MSD 6AL and MSD HVC Ignition Coil. I had a similar experience last year with my dad's '67 Barracuda. It had a Pertronix kit installed prior (not by me). We had just finished swapping a 4 barrel intake and carb. I needed a hot ignition key on wire for the electric choke. I was checking with a test light at the ballast resistor. Found what seemed to be a good wire and tapped it. Now the car wouldn't start. Later to find out I must have wiped out the pertronix module while checking for a hot wire. Any thoughts on the Mallory Unilite? My friend is deciding whether it is worth keeping it and keeping a $100 unilite sensor as a spare or just put in another distributor. Thanks!
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Re: Mallory Unilite....JUNK????
[Re: FuryUs]
#63300
05/25/08 04:46 PM
05/25/08 04:46 PM
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Joined: Jul 2007
Posts: 11,836 Florida
mopar346
Let me tell ya about fat chicks!
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Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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Unilite is a complete electronic ignition set up, but many, including myself, add a MSD box for the same reason as everyone else, it makes the spark hotter. I love the unilites and wouldn't run anything else. As with any product some love it some hate it, I have run them for 25+ years including just the under cap converters, the only problem I have ever experienced is the rare occassion were I cause it myself, similiar to your experience. IF your friend goes with another dist, I would be interested in having his old one as a spare.
Careful, your character's showing!
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Re: Mallory Unilite....JUNK????
[Re: mopar346]
#63301
05/25/08 04:50 PM
05/25/08 04:50 PM
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Joined: Nov 2004
Posts: 6,679 Va. Beach, Va
69superbee383
master
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master
Joined: Nov 2004
Posts: 6,679
Va. Beach, Va
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I have the unilite in my Bee along with a Mallory coil both installed in 1976. No problems with it at all.
77 Macho Power Wagon LWB factory 440
70 Coronet 440 N code 3 speed
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Re: Mallory Unilite....JUNK????
[Re: 69superbee383]
#63302
05/25/08 05:02 PM
05/25/08 05:02 PM
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Joined: Jan 2003
Posts: 2,280
808CUDA
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,280
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Hey, thanks for the positive notes on the distributor I'll be sure to pass it on to him. Mopar346, how do you think you may have caused the ones fail that you touched? Just cutrious to know how to avoid that again. I'll be sure to let him know your interested if he decides on some other distributor. Thanks again and keep the comments coming
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Re: Mallory Unilite....JUNK????
[Re: mopar346]
#63304
05/25/08 05:55 PM
05/25/08 05:55 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Re: Mallory Unilite....JUNK????
#63308
05/25/08 07:20 PM
05/25/08 07:20 PM
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Joined: Aug 2004
Posts: 5,033 Ontario
5537SG
super gas
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super gas
Joined: Aug 2004
Posts: 5,033
Ontario
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Quote:
IMHO, using a light to trigger your ignition isn't very good.........They just aren't consistant and look terrible on a scope......You don't ever see them on anything really fast and nothing from the factory has anything like it......I only use them as wheel chocks......
I feel the same way, but a 3.0L Chrysler uses a photo-optic pickup. Lo, and Hi res.
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Re: Mallory Unilite....JUNK????
[Re: 69Cuda340S]
#63310
05/25/08 09:38 PM
05/25/08 09:38 PM
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Joined: Jul 2006
Posts: 4,319 Puyallup, WA
StealthWedge67
master
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master
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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Screecher's been running a unilite in his Dart for years.... no problems. Do you have it hooked up to a full 12v source? If you're running the ignition from a resisted down lead, it could lead to problems. -resisted lead to coil. -full 12v lead to ignition.
LemonWedge - Street heavy / Strip ready - 11.07 @ 120
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Re: Mallory Unilite....JUNK????
[Re: mopar346]
#63311
05/25/08 10:25 PM
05/25/08 10:25 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Quote:
I don't think Big Squeeze was saying you souldn't have done it, he was just giving his thoughts on a light activated ignition.
Exactly......
Quote:
Hey Big Squeeze is your avitar running with scissors or a 4 way lug wrench???
It's supposed to be a pair of scissors, but it sure does look like a 4 way.....
Quote:
I feel the same way, but a 3.0L Chrysler uses a photo-optic pickup. Lo, and Hi res.
Hmmmmmm, I didn't know that.....Do they still use them?
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Re: Mallory Unilite....JUNK????
[Re: jcastle1]
#63313
05/25/08 11:42 PM
05/25/08 11:42 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Quote:
..........As far as someone on this board saying that fast cars never use Mallory Unilite;that's completely untrue.
I said "really fast cars"..........Who's really fast and runs one??? You won't see one on a crank trigger.......
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Re: Mallory Unilite....JUNK????
#63314
05/26/08 09:00 AM
05/26/08 09:00 AM
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Joined: Jul 2007
Posts: 11,836 Florida
mopar346
Let me tell ya about fat chicks!
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Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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Define "really fast", I have run low 10s with them, in more than one set up, of course I'll spray the crap out of one too.
Yea, I can see scissors and the 4 way.
Careful, your character's showing!
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Re: Mallory Unilite....JUNK????
[Re: mopar346]
#63315
05/26/08 04:15 PM
05/26/08 04:15 PM
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Joined: Jan 2003
Posts: 2,280
808CUDA
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,280
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Hey everyone! Thanks again for the additional insight and suggestions, much appreciated! Thanks for the power filter suggestion. That may have been the cause. I was reading the description of the filter and it is highly recommended for cars with ballast resistors. I remember seeing a ballast on his car and I think I now know how it got damamged. I remember after repairing the fuel pump we tried starting it but the unilite connector was off. Se we reconnected it but I think the key was ON when it was connected which could have created a spike on the initial connection. Thanks for the E-spark suggestion as well. I was wondering if that would fit and be a cheaper substitute spare. Thanks!
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