Opinions Wanted! Best ignition used w/distributor on the market?

[jpaull]

[vwracerdave]

I'll bet 97% of the people reading this have absolutely no clue what flow bench numbers mean any how.
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2017 Street Comp Champion - Thunder Valley Raceway Park - Noble, OK
2010 Sportsman ET Champion - Mid-America Dragway - Arkansas City, KS
1997 Sportsman ET Champion - Thunder Valley Raceway Park - Noble ,OK

[King_vw61]

I’m still wondering what the best ignition is?!?

[GARRICK.CLARK]

Well i'm still on points and a blue coil on a turbo motor
And it works well for a street car.

My idea of a distributor up grade would be a bosch big cap with svda inners and a dvda vac can, Then some sort of big coil running through a points delete module and a modified rotor.
The above probably wont work will it.

[slalombuggy]

[Brian_e]

Dave, you are correct. Heads, just like oil pumps, cams, carbs and headers.....most people think bigger is better.

Jeff, I am sorry if I lead you astray with my numbers. I use my bench almost 100% for A/B testing to see if I am gaining or not. Exactly what it is intended for, and exactly what I did with this test. I calibrated the controller, tested the head with a 42mm valve, did a valve job, calibrated the bench again, and then tested with a 44mm valve. After the 2 tests, I saw a 20+ CFM gain. This was measured by and corrected to 28" in my bench controller. It does the conversions automatically, and it has been found to be extremely accurate by 2 others on here, and by David Vizard. He mentioned 2.8% difference at low lifts, 2.2% .200-.500", only .9% above .500". His numbers were compared to a very high dollar, very powerful SuperFlow 600 bench at a fixed 28". He gives great reviews of this style flow bench. He even mentions the "Audie unit produced repeatability figures that are closer than typically measured between two identical fixed-depression style benches".

It was these very knowledgeable people who make me believe a classic manometer is unnecessary. True, a manometer would give one more verification, but myself and others dont think it is necessary. How many guys have multiple ways to calibrate their dyno's and post numbers without a standard calibration? It was mentioned somewhere these newer style bench controllers are making manometers and calculation obsolete.

This whole thing was only mentioned because it was a learning experience for myself and others, and it confirmed a few things I have been discussing with other guys who build heads. I was not "bragging" about my high CFM numbers, only showing what can be done quickly and easily when the numbers all line up. I like to try and help people understand what is going on, and I felt posting the findings might help that. The VW scene

Just so this stays relevant, I have been cruising my bus with a super cheap china 009, pertronix, used plug wires, and a fake blue coil in my sweep the floor 1835cc. Starts every time, and runs just fine.

Peace, I'm out..
Brian
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[jpaull]

[jpaull]

My contribution to the Hi-Po distributor/ignition "for the best price" option.

The MSD copy, (if it doesn't break in half) combined with a High output CDI would be the most reliable and highest performing combo for a very reasonable cost. My Genuine MSD distributor replacement mag pickup that came in a MSD package is indeed made in China. But the stlye of Mag pickup is super reliable. The Huge reluctor is the same as what comes in OEM mag pickup distributors, and even when weak and old, these things still work. (unlike points replacements that have small surface area and weaker magnets.)

https://www.ebay.com/itm/Volkswagen-H4-1954-79-Rac...2749.l2649

The bright red cap doesn't exactly "blend" in a vintage look, so just throwing a idea out there, this is what I did to my MSD to calm down the boy racer look some.

[flat4olsen]

Damn, that looks so cool! VHT wrinckle paint? I used that om my engine tin, but never thought of using it in the dist. Leads looks cool to!
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Type 1 1968, Lotosweiss. 2109 oxyboxer engine
Early Bay 1970, Montana Red. Under construction

[FreeBug]

One of the 97%, and proud of it!

[modok]

When everybody goes out in the morning and gets in their car, they don't need to calibrate the mass air flow sensor on a superflow nor calibrate or the map sensor with a manometer.
They are calibrated at the factory and just work, as you said.
A flow bench built with the same technology of course, CAN work, and does work. It actually rather LATE on the scene.
We know it works because there are probably 2 billion of them out there and 99.5% are working perfect, everyday. Of course there are some concerns.
One is that they may be sensitive to contamination. I would maybe be careful not to get it too much metal chips and oil and carbon through it, which could contaminate the sensors, while with my heap it can eat things a shop vacuum could not swallow. Pros and cons That electric stuff is darn sensitive to contaminants, like paint on insulators. hmmmm
Of course I love OLD technology but of course new technology DOES work, often better, if you can even call it new, it's probably 20 years old.

[jpaull]

[henrym]

I'm in a similar situation on the ignition debate. I'm running an old Mallory Unilite with vacuum advance and its no longer in production and parts will soon be hard to get. I'm bouncing back and forth between Pertronix and a Magnapsark. I was advised that based on my engine setup that I probably should ditch the vacuum advance. 2110, 9:1, Steve Tims 42x37, 48's, Webcam 42C. I'm looking for plug and play easy.
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1967 Bug (Second owner)

[Fred Winterburn]

In anything other than a desert climate, that wrinkle paint on the cap and insulators is asking for trouble. Slightest bit of moisture along with dust and there will be shorting. Fred

[Alstrup]

[j-dub]

Another option is to use the vacuum advance can from a 36hp bug distributor.

I agree, the Unilites are a great distributor, very stable and precise timing.
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[Glenn]

[jpaull]

[Fred Winterburn]

No, that's not the issue. High voltage insulating surfaces are glass smooth on purpose to repel water and reduce the amount of dirt collected which makes the condition much worse. Look at any power line with glass insulators if you need an example. In a real winter with snow melt or wet climate, that cap would be shorting to ground all over the place. Same with the coil tower. Relying solely on the integrity of tight fitting boots doesn't leave much margin. Fred

[jpaull]

I am using a Crane LX92 that has 910 ohms of secondary resistance/.23 primary resistance combined with one of the few CDI boxes that can drive it, so I could see where less then perfect connections are a concern. I like the thinking that my spark plug wires are like 40+kv transmission lines!

In the interest of safety, I have a idea! Free advertising! Please everyone install a Winterburn CDI and have the lowest spark output of all CDI's. That way, you can spray water on a wrinkle finish distributor cap while the engines running and still not have a worry in the world about that tiny spark leaving home