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fastjeff
#42 Posted : Monday, January 17, 2011 11:07:01 PM(UTC)
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My best guess in your case, Sean, is that some previous owner removed the resistors. That's the problem with trouble shooting old devices: you have figure out and, in some cases, redo what other(s) have done.

Jeff
"...reality is not nearly as lovely as the world of Liberal Land. No wonder so many people want to go there." - Tom Sowell
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Barkleydave
#43 Posted : Tuesday, January 18, 2011 1:05:42 AM(UTC)
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Jeff is correct. I have seen people remove the resistors thinking they will get a hotter spark out of the coil. As far as I know that would have no effect. Correct me if I am wrong. Couple of years ago I accidently left the ingition on on the stbd engine and by the time I caught it it had run up 400 hrs! The resistor did its job and no ill effects! It was in the winter and I just did not get back to the boat for a couple of weeks!


dave
None
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collins69s
#44 Posted : Tuesday, January 18, 2011 5:23:16 AM(UTC)
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Ouch! 400 hours! I would agree with the redoing what some other people have done/undone over the years. There are some on the things on the boat that have fallen victim to someones alcohol validated expertise that we have gone back and fixed.. But even in the manual there is no ballast resistor present with the electronic ignition. Seems like a smart thing to have, do new boats have some equivilent?
Sean
SIFF SURF
1972 32' FB Express
Twin 318s
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RCPRATHER
#45 Posted : Tuesday, January 18, 2011 11:41:35 PM(UTC)
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Guys,
Thanks for all the advice and suggestions. I have mad my decision on the direction I will be going and will keep you posted.
Rob
"Great Escape"
32ft 1972 Express
Twin 318's
Located at LBYC
On the Ohio River at mile marker 480
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tundrarules
#46 Posted : Sunday, March 20, 2011 3:35:14 AM(UTC)
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Opening up a can of worms Applause

I'm trying to decide if I want to put ballast resistors on my new MSD Blaster coils. I know the resistors would save my coils if ignition left on. Question is why buy high performance coils if you are going to reduce the output voltage?

Not sure how many volts output I would have??? d'oh!

Does the resistor save the electronic ignition at all?


Here we go again Think


1985 Marinette 29 Sedan bridge
Twin 318s, 660 hours
New Edelbrock 1409 carbs (working like a charm)
Original Electronic Ignition, Blaster 2 coils, 90 deg plug wire universal kit cut to fit
Raw water system
Freshwater always
Located Pickwick Lake, TN,MS,AL

RETRO BOATS ARE COOL

If the guys on this forum take their time to help you, have the courtesy to update your thread with the resolution.
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fastjeff
#47 Posted : Sunday, March 20, 2011 4:01:21 AM(UTC)
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Trust me: Those ballast resistors will NOT hurt the coil's performance. A whole bunch of people have gone that way (thanks to John S.) and are delighted with it.

Jeff

PS: Be sure to buy ballast resistors that use bolt on, ring connectors. The dopey stock deal has spade connections that like to fall off at the worst possible moment. (Don't ask!)
"...reality is not nearly as lovely as the world of Liberal Land. No wonder so many people want to go there." - Tom Sowell
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tundrarules
#50 Posted : Sunday, June 12, 2011 7:22:27 PM(UTC)
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As some of you know, since I put in my new Pertronix distributors I am only getting 2500 rpms for some reason Think Pertronix says I may have a ground problem. Still got to check that out. I don't think it's a ground problem because both engines are limited at 2500 rpms under a load. rpms go to 3500 or more when engine is in neutral.

Gapped plugs at .050 because I am running 45,000V coil...not sure I should be running a gap that big. What do you think? Do you think the large plug gap could be limiting my power at full throttle?

Could the advance curve be limiting my power output?
Curve is 3/1500, 10/2000, 16/2500, 22/3000, 24/3500.
Set base at 5* dbtc, so my total advance is 29* which is about 4 higher than it should be.

Still pondering Boo hoo!




.
1985 Marinette 29 Sedan bridge
Twin 318s, 660 hours
New Edelbrock 1409 carbs (working like a charm)
Original Electronic Ignition, Blaster 2 coils, 90 deg plug wire universal kit cut to fit
Raw water system
Freshwater always
Located Pickwick Lake, TN,MS,AL

RETRO BOATS ARE COOL

If the guys on this forum take their time to help you, have the courtesy to update your thread with the resolution.
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rv
#51 Posted : Monday, June 13, 2011 4:10:54 AM(UTC)
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I installed the same distributors pertronix recommends removing the ballast resistors they also recommend leaving the plug gap at the oem spec. Mine are at 35 the boat runs better than ever easily gets 3500 rpms @26 knots. Also removed the ballast resistors. I personally think resistors are a pain the less items in the engine compartment the better.The pertronix has only two wires to hook up make sure the ground has a good source.
BTW my boat is 28 ft.
Bob
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tundrarules on 6/13/2011(UTC)
tundrarules
#48 Posted : Monday, June 13, 2011 9:56:23 AM(UTC)
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Originally Posted by: fastjeff Go to Quoted Post
Trust me: Those ballast resistors will NOT hurt the coil's performance. A whole bunch of people have gone that way (thanks to John S.) and are delighted with it.

Jeff

PS: Be sure to buy ballast resistors that use bolt on, ring connectors. The dopey stock deal has spade connections that like to fall off at the worst possible moment. (Don't ask!)



Can't run new technology distributors with a ballast resistor....must have full voltage for new distributors to work.

If you are just running new high volt coil and old distributors you can still use the resistor. Just want everyone to understand this. Took me awhile to figure this out when I installed my new distributors. Lesson learned...pay attention to the directions Eh?





.
1985 Marinette 29 Sedan bridge
Twin 318s, 660 hours
New Edelbrock 1409 carbs (working like a charm)
Original Electronic Ignition, Blaster 2 coils, 90 deg plug wire universal kit cut to fit
Raw water system
Freshwater always
Located Pickwick Lake, TN,MS,AL

RETRO BOATS ARE COOL

If the guys on this forum take their time to help you, have the courtesy to update your thread with the resolution.
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1 user thanked tundrarules for this useful post.
jsimanella on 6/13/2011(UTC)
jsimanella
#49 Posted : Monday, June 13, 2011 8:06:29 PM(UTC)
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Originally Posted by: tundrarules Go to Quoted Post



Can't run new technology distributors with a ballast resistor....must have full voltage for new distributors to work.

If you are just running new high volt coil and old distributors you can still use the resistor. Just want everyone to understand this. Took me awhile to figure this out when I installed my new distributors. Lesson learned...pay attention to the directions Eh?





.


EXACTLY - The STOCK Chrysler boxes, with the older distributors, NEED the ballast resistor - regardless of which coil you put on it. I don't understand it, but they do. If you replace the system with an aftermarket, ESPECIALLY if the spark comes from the distributor or ignition box (ie. MSD), with no external coil, you need to remove the ballast resistor.

In short - if you are using a Chrysler style system, leave the resistor...

John S.
--
1987 32 Sedan Bridge
Twin 360s, Rebuilt 2006
Modified/Original Electronic Ignition
Raw Water Cooled
Catawba Island, Ohio
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