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Re: Chrome Box EIM - Does it Retard Advance?
[Re: JohnRR]
#1226014
05/05/12 11:46 AM
05/05/12 11:46 AM
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Joined: Apr 2006
Posts: 3,675 Akron, Ohio U.S.A.
roadhazard
master
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master
Joined: Apr 2006
Posts: 3,675
Akron, Ohio U.S.A.
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Dwell ddirectly affects timing,.
not if the dwell starts earlier. it can be manipulated electronically. i've checked several orange boxes, and one chrome box, to 6000 rpm- no sign of retardation (pardon the choice of words). they are all old boxes, though. i think my newest one is over ten years old. i think ballast resistor selection is important, too. iirc, there are two resistance values available? i have always used the higher resistance, and have had no ignition issues ever (aside from a ballast resistor failing at an extremely inopportune time).
In the other thread about this subject it is claimed that there was a change made to them in 2000. So if your boxes are older than that it doesn't help with this question/problem.
But thanks anyway.
So I'm safe with my chrome box from 1989 Not to derail the thread but I've never been able to get a gold box to run at all
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Re: Chrome Box EIM - Does it Retard Advance?
[Re: scatpacktom]
#1226021
05/06/12 11:50 AM
05/06/12 11:50 AM
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Joined: Jan 2003
Posts: 75,282 A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,282
A gulag near you.
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Quote:
I have a Sun distributor machine. When I first got it I thought I wasn't using it properly or that there was something wrong with it. The timing would reach full advance at whatever rpm and then at high rpm it would loose a few degrees at max rpm. Talking with other distributor machine owners, they have found the same trends. I'd still like to hear a explanation for why this happens. You would think centrifugal forces wouldn't allow it
That said I don't think I have ever seen 10 degrees only a few.
Tom do you remember what RPM were you seeing this happen at ?
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