Re: Shuddering when taking off
Thanks for the heads-up, jim! The plugs aren't that old (3 months), and I checked them last month. However, I opened up the distributor and saw that the rotor (2 months old) has a "burn mark" on it. The old rotor was replaced because of this same problem -- it was corroded badly in the exact same place. What could be causing it? Here's a pic of the rotor: http://hondaswap.com/attachments/gen...rotor_burn.jpg |
Re: Shuddering when taking off
<emil.santos@gmail.com> wrote in message
news:1161665979.802061.238970@i42g2000cwa.googlegr oups.com... > > Mike, thanks for the reply. I already tried putting in a bottle of fuel > injector cleaner about a month ago. > I guess you can scratch that off your list! Mike |
Re: Shuddering when taking off
<emil.santos@gmail.com> wrote in message
news:1161665979.802061.238970@i42g2000cwa.googlegr oups.com... > > Mike, thanks for the reply. I already tried putting in a bottle of fuel > injector cleaner about a month ago. > I guess you can scratch that off your list! Mike |
Re: Shuddering when taking off
<emil.santos@gmail.com> wrote in message
news:1161665979.802061.238970@i42g2000cwa.googlegr oups.com... > > Mike, thanks for the reply. I already tried putting in a bottle of fuel > injector cleaner about a month ago. > I guess you can scratch that off your list! Mike |
Re: Shuddering when taking off
<emil.santos@gmail.com> wrote in message
news:1161665979.802061.238970@i42g2000cwa.googlegr oups.com... > > Mike, thanks for the reply. I already tried putting in a bottle of fuel > injector cleaner about a month ago. > I guess you can scratch that off your list! Mike |
Re: Shuddering when taking off
sharx333 wrote:
> Thanks for the heads-up, jim! The plugs aren't that old (3 months), and > I checked them last month. > > However, I opened up the distributor and saw that the rotor (2 months > old) has a "burn mark" on it. The old rotor was replaced because of > this same problem -- it was corroded badly in the exact same place. > > What could be causing it? > > Here's a pic of the rotor: > > http://hondaswap.com/attachments/gen...rotor_burn.jpg > that's entirely normal. the rotor and cap posts don't touch, so the spark has to jump the gap between them. the result is what you see. this is why the cap & rotor need replacement periodically, but that period is quite extended - usually something in the range of 100k miles. bottom line, make sure your electrical system is healthy, but expect it to cure what is most likely a mechanical problem with the clutch. don't try to modify the distributor. apart from early problems with igniters, honda engineers knew their business when designing that thing. the integrated coil and igniter ensure maximum spark energy without losses and signal noise in long leads. supposed problems with heat are b.s. - all components operate well within their capacity. |
Re: Shuddering when taking off
sharx333 wrote:
> Thanks for the heads-up, jim! The plugs aren't that old (3 months), and > I checked them last month. > > However, I opened up the distributor and saw that the rotor (2 months > old) has a "burn mark" on it. The old rotor was replaced because of > this same problem -- it was corroded badly in the exact same place. > > What could be causing it? > > Here's a pic of the rotor: > > http://hondaswap.com/attachments/gen...rotor_burn.jpg > that's entirely normal. the rotor and cap posts don't touch, so the spark has to jump the gap between them. the result is what you see. this is why the cap & rotor need replacement periodically, but that period is quite extended - usually something in the range of 100k miles. bottom line, make sure your electrical system is healthy, but expect it to cure what is most likely a mechanical problem with the clutch. don't try to modify the distributor. apart from early problems with igniters, honda engineers knew their business when designing that thing. the integrated coil and igniter ensure maximum spark energy without losses and signal noise in long leads. supposed problems with heat are b.s. - all components operate well within their capacity. |
Re: Shuddering when taking off
sharx333 wrote:
> Thanks for the heads-up, jim! The plugs aren't that old (3 months), and > I checked them last month. > > However, I opened up the distributor and saw that the rotor (2 months > old) has a "burn mark" on it. The old rotor was replaced because of > this same problem -- it was corroded badly in the exact same place. > > What could be causing it? > > Here's a pic of the rotor: > > http://hondaswap.com/attachments/gen...rotor_burn.jpg > that's entirely normal. the rotor and cap posts don't touch, so the spark has to jump the gap between them. the result is what you see. this is why the cap & rotor need replacement periodically, but that period is quite extended - usually something in the range of 100k miles. bottom line, make sure your electrical system is healthy, but expect it to cure what is most likely a mechanical problem with the clutch. don't try to modify the distributor. apart from early problems with igniters, honda engineers knew their business when designing that thing. the integrated coil and igniter ensure maximum spark energy without losses and signal noise in long leads. supposed problems with heat are b.s. - all components operate well within their capacity. |
Re: Shuddering when taking off
sharx333 wrote:
> Thanks for the heads-up, jim! The plugs aren't that old (3 months), and > I checked them last month. > > However, I opened up the distributor and saw that the rotor (2 months > old) has a "burn mark" on it. The old rotor was replaced because of > this same problem -- it was corroded badly in the exact same place. > > What could be causing it? > > Here's a pic of the rotor: > > http://hondaswap.com/attachments/gen...rotor_burn.jpg > that's entirely normal. the rotor and cap posts don't touch, so the spark has to jump the gap between them. the result is what you see. this is why the cap & rotor need replacement periodically, but that period is quite extended - usually something in the range of 100k miles. bottom line, make sure your electrical system is healthy, but expect it to cure what is most likely a mechanical problem with the clutch. don't try to modify the distributor. apart from early problems with igniters, honda engineers knew their business when designing that thing. the integrated coil and igniter ensure maximum spark energy without losses and signal noise in long leads. supposed problems with heat are b.s. - all components operate well within their capacity. |
Re: Shuddering when taking off
So I guess the problem is narrowed down to the clutch... Will post back when I've had it checked out. Thanks again to everyone who replied! |
Re: Shuddering when taking off
So I guess the problem is narrowed down to the clutch... Will post back when I've had it checked out. Thanks again to everyone who replied! |
Re: Shuddering when taking off
So I guess the problem is narrowed down to the clutch... Will post back when I've had it checked out. Thanks again to everyone who replied! |
Re: Shuddering when taking off
So I guess the problem is narrowed down to the clutch... Will post back when I've had it checked out. Thanks again to everyone who replied! |
Re: Shuddering when taking off
| any way to check the induction coil?
I'm not sure, mine ( may be a transformer ) 1st failed only when hot & during acceleration from idling, not easy to simulate the same conditions. http://www.autozone.com/servlet/UiBr...3d800cf2cb.jsp teaches chking these copper wires, but not their insulation lacquer. | Can I repair it Unlikely ; copper coil is sealed in a plastic casing. See what your automobile-electrician says. 1 can buy a re-con coil, my whole distributor is a re-con ( retailed @ M$ 280 = ~US$ 75.27 ). | please explain more about adding a heatsink or "wire" to the | distributor and induction coil? I tried to post 1 photo, but none is allowed in these NG`s. 1 can glue hsinks, or fit copper wires from distributor cap's bolts ( ideally with washer-connectors & silver paste ) to bolts on engine compartment walls, primarily to stop another lacquer crack, but exhaust noise drops too ( even more in my Mitsubishi 4G15P 's distributor, likewise cooled ). | > #18 correction - #16 |
Re: Shuddering when taking off
| any way to check the induction coil?
I'm not sure, mine ( may be a transformer ) 1st failed only when hot & during acceleration from idling, not easy to simulate the same conditions. http://www.autozone.com/servlet/UiBr...3d800cf2cb.jsp teaches chking these copper wires, but not their insulation lacquer. | Can I repair it Unlikely ; copper coil is sealed in a plastic casing. See what your automobile-electrician says. 1 can buy a re-con coil, my whole distributor is a re-con ( retailed @ M$ 280 = ~US$ 75.27 ). | please explain more about adding a heatsink or "wire" to the | distributor and induction coil? I tried to post 1 photo, but none is allowed in these NG`s. 1 can glue hsinks, or fit copper wires from distributor cap's bolts ( ideally with washer-connectors & silver paste ) to bolts on engine compartment walls, primarily to stop another lacquer crack, but exhaust noise drops too ( even more in my Mitsubishi 4G15P 's distributor, likewise cooled ). | > #18 correction - #16 |
Re: Shuddering when taking off
| any way to check the induction coil?
I'm not sure, mine ( may be a transformer ) 1st failed only when hot & during acceleration from idling, not easy to simulate the same conditions. http://www.autozone.com/servlet/UiBr...3d800cf2cb.jsp teaches chking these copper wires, but not their insulation lacquer. | Can I repair it Unlikely ; copper coil is sealed in a plastic casing. See what your automobile-electrician says. 1 can buy a re-con coil, my whole distributor is a re-con ( retailed @ M$ 280 = ~US$ 75.27 ). | please explain more about adding a heatsink or "wire" to the | distributor and induction coil? I tried to post 1 photo, but none is allowed in these NG`s. 1 can glue hsinks, or fit copper wires from distributor cap's bolts ( ideally with washer-connectors & silver paste ) to bolts on engine compartment walls, primarily to stop another lacquer crack, but exhaust noise drops too ( even more in my Mitsubishi 4G15P 's distributor, likewise cooled ). | > #18 correction - #16 |
Re: Shuddering when taking off
| any way to check the induction coil?
I'm not sure, mine ( may be a transformer ) 1st failed only when hot & during acceleration from idling, not easy to simulate the same conditions. http://www.autozone.com/servlet/UiBr...3d800cf2cb.jsp teaches chking these copper wires, but not their insulation lacquer. | Can I repair it Unlikely ; copper coil is sealed in a plastic casing. See what your automobile-electrician says. 1 can buy a re-con coil, my whole distributor is a re-con ( retailed @ M$ 280 = ~US$ 75.27 ). | please explain more about adding a heatsink or "wire" to the | distributor and induction coil? I tried to post 1 photo, but none is allowed in these NG`s. 1 can glue hsinks, or fit copper wires from distributor cap's bolts ( ideally with washer-connectors & silver paste ) to bolts on engine compartment walls, primarily to stop another lacquer crack, but exhaust noise drops too ( even more in my Mitsubishi 4G15P 's distributor, likewise cooled ). | > #18 correction - #16 |
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