Ignition Recommendations
#26
Will work for horsepower
#27
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Thanks "Busted 7". Assuming that I have an ignition lead for the leading and trailing coming from the Haltec that are curremtly used for the two MSD systems I have now. I'll get the HKS and go from there. May ask you for additional info if you don't mind.
#28
Will work for horsepower
No pm if you want. The haltec wires to the ingniter, the coils are on there own harness, and when you use the hks harness it just plugs in! I do recomend getting a male/ female plug for the ingniter as the haltec harness soldiers in with out a plug. I like to be able to unplug all the components. Good luck.
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No pm if you want. The haltec wires to the ingniter, the coils are on there own harness, and when you use the hks harness it just plugs in! I do recomend getting a male/ female plug for the ingniter as the haltec harness soldiers in with out a plug. I like to be able to unplug all the components. Good luck.
#32
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I have been beta testing the AEM TWIN FIRE amps for some time now and they now work great . AEM has sent me several designes to test .The newest design has been working in my car for about two years and no failure .I am using four Jacobs C4 coils with homemade sparkplug wires using MSD 40 ohms per foot 8 mm wire . The new design AEM amps should be ready to ship in two or three weeks ,so I was told today . 2-25-08
#34
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I have been beta testing the AEM TWIN FIRE amps for some time now and they now work great . AEM has sent me several designes to test .The newest design has been working in my car for about two years and no failure .I am using four Jacobs C4 coils with homemade sparkplug wires using MSD 40 ohms per foot 8 mm wire . The new design AEM amps should be ready to ship in two or three weeks ,so I was told today . 2-25-08
#35
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There is a reason the Jacobs ignitons burn up FD lead coils, the jacobs puts more power and charge time to the coil than it can handle,
The twin power aparantly doesn't.
Yes the FC coils are more robust.
I'm running 2 cheap 120 dollar each summit digital CDI boxes which are sililar in output specs to an MSD digital 6 on 2 seprate old school accell super coils that I got for free, running one too each plug, this is on the leading, I see no point in modifying the trailing ignition.
This 250 dollars worth of lead ignition will jump a ~6" gap in open air between a plug wire and the block and has no problem what so ever keeping up with 50/50 water alcohol or 100% methanol.
The twin power aparantly doesn't.
Yes the FC coils are more robust.
I'm running 2 cheap 120 dollar each summit digital CDI boxes which are sililar in output specs to an MSD digital 6 on 2 seprate old school accell super coils that I got for free, running one too each plug, this is on the leading, I see no point in modifying the trailing ignition.
This 250 dollars worth of lead ignition will jump a ~6" gap in open air between a plug wire and the block and has no problem what so ever keeping up with 50/50 water alcohol or 100% methanol.
I was looking at those same coils myself for my NA 20b. I don't see why everyone keeps upgrading the trailing side or even paying for some really expensive MSD DIS4's. This ignition stuff just confuses me. Anyways aren't those accell coils rpm limited? Everyone I saw in the summit catalog showed "effective to xxxx rpm".
Edit after really thinking about it, I may just go with 1 MSD DIS-4 to control my 3 leading 20b plugs to save space.
Last edited by t-von; 02-26-08 at 09:32 PM.
#36
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You have to look at duty cycle of the coil. Most the older performance coils when they say effective to 7000 rpm, thats on a distributed V8, so the coil is fireing 4 times per rev. On a rotary engine the coil will never fire more than twice per rev and thats on a 13b running wasted spark on the lead, on a 20B or 13B with direct ignition, they never fire more than once per rev.
I was looking at those same coils myself for my NA 20b. I don't see why everyone keeps upgrading the trailing side or even paying for some really expensive MSD DIS4's. This ignition stuff just confuses me. Anyways aren't those accell coils rpm limited? Everyone I saw in the summit catalog showed "effective to xxxx rpm".
Edit after really thinking about it, I may just go with 1 MSD DIS-4 to control my 3 leading 20b plugs to save space.
Edit after really thinking about it, I may just go with 1 MSD DIS-4 to control my 3 leading 20b plugs to save space.
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