Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: BobR]
#2567873
10/22/18 04:24 PM
10/22/18 04:24 PM
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It's hard to beat a mag. It's that simple. I see many cars that would benefit from a mag. Convincing them the car needs is a tough sell.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: BobR]
#2567976
10/22/18 08:04 PM
10/22/18 08:04 PM
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TRENDZ
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What fuel, what gap? Alot of people try to run to wide of a gap with cop. 100 hp/ cylinder should be around .022 . Seen meth cars run .015 with 30 psi boost.
"use it 'till it breaks, replace as needed"
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: TRENDZ]
#2568030
10/22/18 09:49 PM
10/22/18 09:49 PM
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BobR
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What fuel, what gap? Alot of people try to run to wide of a gap with cop. 100 hp/ cylinder should be around .022 . Seen meth cars run .015 with 30 psi boost. Methanol with 60+ pounds of boost. We run between .010-.015. just depends.
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: AndyF]
#2568283
10/23/18 12:05 PM
10/23/18 12:05 PM
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BobR
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Do you know any of the guys who are running really well with COP and similar boost? There are probably only a few dozen guys in the whole country who have a handle on that sort of combo. We have a handle on the mag combo. The more I read about the operational logistics of the COP the more I wish I would have left it in the box. It's really hard to get information from other racers. Especially info that was difficult for them to obtain. I will keep asking and maybe something useful will come to my attention.
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: AndyF]
#2568375
10/23/18 02:47 PM
10/23/18 02:47 PM
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BobR
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Have you talked to Rich at FastManEFI? Rich has been running COP for at least 10 years on various cars. He probably has some boosted customers but I'm not sure about your level of boost.
Do you think it is an electrical issue? Just not enough amps available to fire the plugs with COP? Or do you think it is something else such as timing stability? I'd think COP would have some advantages but I guess it all depends on the details. With the amount of power you guys are building it would be difficult to run tests. From what I am beginning to understand it's the decreased duration of the spark(as compared to our 48 amp mag) that somehow can cause a lazy condition at lower RPM's. This may not be true for every combination but it seems to be with ours'.
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: BobR]
#2568377
10/23/18 02:49 PM
10/23/18 02:49 PM
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If you want real, tested info on COP ignition, find Lance Nist. He holds several patents in ignition systems. He would be the first person i would contact for a maximized ignition.
Isn’t that Alepa Hemi from PLR running COP? Like 5200hp on meth?
"use it 'till it breaks, replace as needed"
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: AndyF]
#2568463
10/23/18 05:34 PM
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BobR
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Spark duration can be adjusted but it might get expensive. Since you have 8 coils there is plenty of time for each coil to do its thing. But everything has to be sized correctly and there needs to be a bunch of amps available. I have very little knowledge of what it takes once you get to the high boost that you guys are running so I'm not sure if the parts you need are even available. I'd think that from a physics standpoint the COP setup would be superior but I don't know if the engineers have made it happen yet. It depends on who you ask Andy. If you ask me they haven't made it happen yet.
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: TRENDZ]
#2568467
10/23/18 05:37 PM
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BobR
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If you want real, tested info on COP ignition, find Lance Nist. He holds several patents in ignition systems. He would be the first person i would contact for a maximized ignition.
Isn’t that Alepa Hemi from PLR running COP? Like 5200hp on meth? Yes. We've been 209.46 in the 1/8th at 3100 pounds. That figures to be 4600+-. Peak power doesn't seem to be the issue. It's idle thru about 4000 where we are having issues but with turbos you have to get them up on boost before anything happens.
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: BobR]
#2568469
10/23/18 05:40 PM
10/23/18 05:40 PM
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crabman173
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Fuel Injection Enterprises sells and services every kind of mag--does mine and I love the guy--you can get enough mag to support whatever it is you are running from Mr Spud Miller there--I LOVE magnetos use one in my race car--we use alky nitro mix---
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: BobR]
#2568473
10/23/18 05:43 PM
10/23/18 05:43 PM
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If you want real, tested info on COP ignition, find Lance Nist. He holds several patents in ignition systems. He would be the first person i would contact for a maximized ignition.
Isn’t that Alepa Hemi from PLR running COP? Like 5200hp on meth? Yes. We've been 209.46 in the 1/8th at 3100 pounds. That figures to be 4600+-. Peak power doesn't seem to be the issue. It's idle thru about 4000 where we are having issues but with turbos you have to get them up on boost before anything happens. I keep hearing the new stuff is going to blow away the mag. Been hearing that since I bought my own mag in 1987. It's damn hard to beat a mag.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: BobR]
#2568514
10/23/18 07:04 PM
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I would think the manufacturer would know best, but to me, if the ignition can fire through 60 psi boost on methanol, it would seem it should be able to fire at low cylinder pressure. Is the mag just able to cover for an overly wet/rich mixture? Honestly never messed with anything close to your combo, but with the minimal info I have here, it seems to me that down low your mixture is to dang wet.
"use it 'till it breaks, replace as needed"
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Re: Has Anyone Else Tried Switching From a Mag To COP?
[Re: TRENDZ]
#2568632
10/23/18 10:40 PM
10/23/18 10:40 PM
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BobR
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I would think the manufacturer would know best, but to me, if the ignition can fire through 60 psi boost on methanol, it would seem it should be able to fire at low cylinder pressure. Is the mag just able to cover for an overly wet/rich mixture? Honestly never messed with anything close to your combo, but with the minimal info I have here, it seems to me that down low your mixture is to dang wet. We leaned it to 5.0. So lean it wouldn't tip-in without backfiring. Still no better. Idles best about 3.8 so that's where we run it with the mag(and where we started with the COP). I know what the book says but we ultimately do what makes the motor happy. Don't forget...it took over 2 seconds longer to spool which is a very big deal. The trans fluid gets hot in a hurry when on the chip. When I say hot I mean 600+ degrees with just a couple seconds delay.
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