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 Mallory unilite Distributor
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isaias_1
Buffalo

USA
89 Posts

Posted - 20 Apr 2011 :  4:35:02 PM  Show Profile  Reply with Quote
Anyone ever use this distributor? It is the one without the vacuum advance. What do you guys recommend me to set the mechanical advance to if I can set it at all. I have a 326 bore .030 over so it is a 331 now. I am running a comp cams XE256H 212/218, #140 heads rebuilt with 7/16 screw studs, comp cams magnum roller tip rockers 1.52, edelbrock performer rpm intake, edel 600cfm carb, street/strip BOP T350, looking at 3.23-3.55 rear ratio gears. What do you guys recommend setting the distributor at and where can I get a timing tape for my stock balancer? Thanks
Isaias

Serving in the good old USAF!

Vid
Kicking Horse

USA
1685 Posts

Posted - 20 Apr 2011 :  7:50:17 PM  Show Profile  Reply with Quote
Hi Isaias, The Mallory Unilite used to be a good choice and still may well be, but personally I think Mallory products have gone down hill some over the past 10-15 years. Maybe try a Pertronix Ignitor with matching flame thrower coil. Great unit for the $$$.

Your mechanical advance rate can be adjusted by changing out the small advance weight springs under the rotor. Spring kits are easily available online at Summit or Jegs, maybe even your local parts store. The springs kits come with pairs of different strength springs from light to heavy, the lighter the spring the faster the total advance will be "all in". A popular set up is to use a very light spring on one weight and a medium spring on the other. Best to try different combinations and see how your car reacts. Fun way to spend a Saturday afternoon for some seat of the pants tuning!

I can't wait to hear how your "little" Pontiac runs, should get decent mileage and lots of low end.
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isaias_1
Buffalo

USA
89 Posts

Posted - 21 Apr 2011 :  1:46:29 PM  Show Profile  Reply with Quote
That's great thanks. I got the distibutor and coil plus 8mm wires for $100 after I sold the carb. So, I would like to keep it and rung it. I know I have to get an active power filter and a ballast resistor for it. Rather protect the stuff I have than replace it. I also have a spring kit with weights from Accel that I used on my stock distibutor. Would those work on the mallory? Also, any idea where i can get timing tape for my balancer? It only has the two marks for 0 and 10 deg. Thanks
Isaias

Serving in the good old USAF!
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Phil
The Great White Buffalo

USA
7222 Posts

Posted - 21 Apr 2011 :  5:36:31 PM  Show Profile  Reply with Quote
My experience with the Mallory "U-don't-lites" has not been impressive. But I have only dealt with a few over the years. I would recommend to anyone hellbent on buying one to: Buy two, one for the engine and one to carry in the trunk.

Bowties are for Pee-wee Herman. "Chevy": even the name sounds cheap, but not as cheap as your Pontiac will be with an LS transplant.
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cortcomp
Coyote

USA
5338 Posts

Posted - 21 Apr 2011 :  6:43:53 PM  Show Profile  Visit cortcomp's Homepage  Reply with Quote
Nothing funner than swapping a distributor over a hot motor.

Buy one, then buy a regular HEI for the trunk :-)
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isaias_1
Buffalo

USA
89 Posts

Posted - 21 Apr 2011 :  8:31:06 PM  Show Profile  Reply with Quote
wow. So, I will keep my stock distributor just in case then. So, no one here has had good success with a mallory unilite?

Serving in the good old USAF!
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skmod66
Tribal Scout

6 Posts

Posted - 11 Nov 2012 :  2:50:37 PM  Show Profile  Reply with Quote
i have run one in my 400 30 over for 12 years. i did replace the module once other than that absolutely bullet proof, i use it in conjunction wiht an msd blaster coil using 8mm spiral core wires
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Total Jackass
Tribal Scout

0 Posts

Posted - 14 Jan 2014 :  04:51:33 AM  Show Profile  Reply with Quote
I'm a spammer ignore this entry.

I'm a first class jerk and don't you forget it!
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Phil
The Great White Buffalo

USA
7222 Posts

Posted - 14 Jan 2014 :  6:32:51 PM  Show Profile  Reply with Quote
TTT

Bowties are for Pee-wee Herman. "Chevy": even the name sounds cheap, but not as cheap as your Pontiac will be with an LS transplant.
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