Mallory Unilite Dist issues
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Mountain Pass
Joined: Feb 2019
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Tuned
Joined: Jul 2016
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From: TN.
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Mountain Pass
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Fleet Owner
Joined: Jan 2004
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From: Brentwood,CA
fair warning, the seko website is a scam lots of those websites. You won't be getting any product.
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Mountain Pass
Joined: Feb 2019
Posts: 243
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I seem to have a issue with ignition. Its an older Uniilite. New wires, plugs, coil. I can get it to start, idle and rev but it has a miss, once I put in gear it will die. Its getting fuel because the plugs are fouling.
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Lead Driver
Joined: Jan 2003
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From: Ohio
Strange.
Does the miss sound like just one cylinder? You don't mention new cap. Could be cracked or other issue and causing internal misfire.
Have you checked timing yet?
Put the timing light on each cylinder and watch for no light or misfire when you rev it and that would at least narrow down it if it one cylinder. Not saying it can't be electronics, but need to test all output first.
Does the miss sound like just one cylinder? You don't mention new cap. Could be cracked or other issue and causing internal misfire.
Have you checked timing yet?
Put the timing light on each cylinder and watch for no light or misfire when you rev it and that would at least narrow down it if it one cylinder. Not saying it can't be electronics, but need to test all output first.
Thread Starter
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Mountain Pass
Joined: Feb 2019
Posts: 243
Likes: 1
Strange.
Does the miss sound like just one cylinder? You don't mention new cap. Could be cracked or other issue and causing internal misfire.
Have you checked timing yet?
Put the timing light on each cylinder and watch for no light or misfire when you rev it and that would at least narrow down it if it one cylinder. Not saying it can't be electronics, but need to test all output first.
Does the miss sound like just one cylinder? You don't mention new cap. Could be cracked or other issue and causing internal misfire.
Have you checked timing yet?
Put the timing light on each cylinder and watch for no light or misfire when you rev it and that would at least narrow down it if it one cylinder. Not saying it can't be electronics, but need to test all output first.
I will do that test
thanks buddy
Thread Starter
|
Mountain Pass
Joined: Feb 2019
Posts: 243
Likes: 1
Strange.
Does the miss sound like just one cylinder? You don't mention new cap. Could be cracked or other issue and causing internal misfire.
Have you checked timing yet?
Put the timing light on each cylinder and watch for no light or misfire when you rev it and that would at least narrow down it if it one cylinder. Not saying it can't be electronics, but need to test all output first.
Does the miss sound like just one cylinder? You don't mention new cap. Could be cracked or other issue and causing internal misfire.
Have you checked timing yet?
Put the timing light on each cylinder and watch for no light or misfire when you rev it and that would at least narrow down it if it one cylinder. Not saying it can't be electronics, but need to test all output first.
Lead Driver
Joined: Jul 2017
Posts: 9,601
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From: San Jose, CA
Correct. Or will light up, but while watching you will see it act intermittent or otherwise out of synch with what is expected.
You can see a lot of interesting things when you clamp the timing light pickup to each wire. Even just a fouled plug will show up (at least some of the time) as inconsistent flashes with a timing light.
And obviously if one is completely dead, you have a good starting point for the hunt.
Paul
You can see a lot of interesting things when you clamp the timing light pickup to each wire. Even just a fouled plug will show up (at least some of the time) as inconsistent flashes with a timing light.
And obviously if one is completely dead, you have a good starting point for the hunt.
Paul
Cargo Master
Joined: Oct 2011
Posts: 2,246
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From: Kenner,La.
Mis fire
Yat, If after you have done all the checks there is one other thing to look at.
Remove the valve covers and turn the engine slowly by hand while watching each rocker arm, they should all move the same amount. If you see one not moving as much then you have a worn out cam lobe due to not enough cam lube on the lobes when installing the new cam.
Remove the valve covers and turn the engine slowly by hand while watching each rocker arm, they should all move the same amount. If you see one not moving as much then you have a worn out cam lobe due to not enough cam lube on the lobes when installing the new cam.