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#1 |
Registered User
Join Date: Jan 2002
Location: Burlington IA
Posts: 66
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unilight dist ?
Does anyone know anything about these distributers.I bought one used from i guy that ran it on a late model dirt track car i heard it run when it was pulled.What it was doing before i pulled it was backfiring as soon as i put it in gear and hit the gas but it would start and shut off just fine? it was timed right for the motor but there must be somthing inturnal to mess with I also got the big coil pack with it, any have a clue on what to do?
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69 chevy 4x4 restored 70 blazer with one ton axles $4000 69 chevy 4x4 project $1200 72 ford 4x4 project $1500 58 chevy 1 ton dually $1200 Lots of motors and tranny t cases ![]() ![]() |
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#2 |
Registered User
Join Date: Nov 2002
Location: oak harbor wa
Posts: 61
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Mallory unilites are proven distributors. I have has several myself. About the only thing that really goes wrong with them is the modules quit, but that would mean no spark at all. A couple of things come to mind. Are you using a ballast resistor? The voltage needs to be cut down from full to about 7-8v after the engine is running. Also make sure that the distributor advance is working. Next, you could have crossfiring if the wires are leaking or carbon tracking in the cap. Look under the hood at night for a nice fireworks display. Or you have the wrong firing order. But most likely you have the distributor timing off by a tooth (or two). The only thing else that comes to mind is a massive vacumn leak or a burnt intake or exhaust valve (which would explain the backfire). But I would think it is out of time by a tooth or two.
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'67 C10 short box fleet side wood bed small rear window frame off restoration. 396BB,Th400, ps, pwr disc 5 lug, posi 3.07, 2000 Suburban 60/40 pwr seats, 2.5" front drop 4" rear, powder coated running gear. |
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