Pertronix conversion question |
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dockedwages1 ![]() Groupie ![]() Joined: July-11-2016 Location: St . Louis Status: Offline Points: 50 |
![]() ![]() ![]() ![]() ![]() Posted: May-04-2020 at 9:27pm |
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Installed pertronics electronic ignition conversion on 82 351w last week. Very easy install. Boat starts up a little slowly. Once it was running I put timing light on and set to 10 degrees btdc. It runs great, great response up to 40 mph. But after I turn it off and restart it’s a little slow to start. Should I be timing that engine differently with the conversion? With points it seems that when boat was timed perfectly, if you barely touch the key it would fire right up.
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Tom,
Setting the timing is the same as with a point set. I'd put the points back in! ![]() |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Tom,
When you say it "starts up a little slowly", do you mean it cranks slow or takes more cranking before the engine fires up? |
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dockedwages1 ![]() Groupie ![]() Joined: July-11-2016 Location: St . Louis Status: Offline Points: 50 |
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Pete you know what I did? Exact what I learned on this site to not do. Throw money at parts instead of finding the problem. Ive gotten very familiar with a multi meter in the past two years and what voltages should be where on this engine. And I’m tired of replacing condensers, points, coils and voltage regulators that don’t have 20 hours on them. Some of these parts regularly arrive non functioning. And I haven’t been buying them from a local auto parts store. So I’mm h h ping to give this conversion a shot for a month or two and see.
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dockedwages1 ![]() Groupie ![]() Joined: July-11-2016 Location: St . Louis Status: Offline Points: 50 |
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No it cranks fine it just takes a couple turns to fire. Don’t worry I kept the points and everything in a ziplock bag because I’ve heard that these conversions fail also!
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Tom,
Good it cranks fine. The reason I asked is a slow crank indicates a possible timing problem. |
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11189 |
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So Pete.............why do you tell people to stick with points but you still have that electronic module in your Tique.? |
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11189 |
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Is this an Ignitor or an Ignitor 2 that you installed? The Ignitor 2 seems a little sensitive to voltage supplied to it while starting the engine. If it's low they crank a little longer. If it's low enough (8 volts) it won't fire at all. How is it wired? I imagine you've bypassed or removed the ballast resistor What's the voltage going to the coil/module while cranking the engine before it starts? |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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What's in my Tique has nothing to do with my suggestion to Tom. In the very first post, he said:
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11189 |
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I didn't ask why you told Tom to stick with points, I asked why you tell people (pretty much anybody who says they swapped or are thinking of swapping) that they should stick with points, but you have an electronic setup in the Tique There must be a reason you don't swap back. I guess you're just that "do as I say, not as I do" type ![]() |
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67 ski nat ![]() Platinum Member ![]() Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1199 |
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Pertronix recommends NO ballast resistor and use there flame thrower coil has proper ohms
You could see if your coil has same ohms as flame thrower I did full billet body conversion. Works fine |
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burban65 ![]() Senior Member ![]() Joined: June-22-2008 Location: NW Indiana Status: Offline Points: 167 |
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Pete and Keno on the same forum topic / thread.........best part of my day so far
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SRB
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11189 |
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You, you, you're such an instigator, glad to make your day good so far ![]() |
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Hollywood ![]() Moderator Group ![]() ![]() Joined: February-04-2004 Location: Twin Lakes, WI Status: Online Points: 13521 |
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And did you read and follow the installation instructions? I don’t remember if it’s points or certain EI modules that get full voltage during cranking only, then a resisted supply while running. |
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