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Thread: Cap and rotor replacement.
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01-31-2017, 10:40 AM #1
Cap and rotor replacement.
Would an automotive cap and rotor work fine? I can get one for a chevy truck for $25 with brass contacts vs paying $80 for the marine version.
-2012 Supra Launch 21V
-2008 Mobius LSV
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01-31-2017, 12:35 PM #2
I threw a automotive cap and rotor in mine because it's what I could find in a pinch. it's working fine and mine doesn't even have the brass. I just figure on mine that I'll replace it sooner. That said, if you have brass, then I'd do it and not look back. Many people have done the same.
2008 Moomba Mobius XLV. Monster Cargo Bimini, WS Rev 410's, Polk Cabins, 3 Infinity Subs, PPI amps, WS420, Exile BT, upgraded ballast pumps, up to 3,500+ pounds of ballast, Blue LED's...
1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.
Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2009 Audic A6 Avant 3.0T, 2005 Kawasaki ZX-6R 636.
www.TraysonsToybox.com
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01-31-2017, 08:15 PM #3Senior Member
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- Oct 2013
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- Ft. Collins, CO
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- 688
NO, NO, NO.
It could "work" just fine, but these are exactly the kind of parts that must be marine rated (explosion proof). If anything ever happened that you had a bit of fuel vapor in the bilge, this would be your spark source and then big boom. If you are in a pinch and need to get off the water, then by all means use an auto parts store part, leave the cover open for a long time and then start it with fire extinguisher in hand but I wouldn't want to do it more than once.2007 Mobius LSV
1989 Sanger Skier DX - sold
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02-01-2017, 08:28 AM #4Senior Member
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- Oct 2004
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- Middle TN
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02-01-2017, 11:49 AM #5Senior Member
- Join Date
- Oct 2013
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- Ft. Collins, CO
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- 688
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02-01-2017, 12:27 PM #6
Here's corroded the "marine" cap that was on my XLV. just attached to the distrib with 2 screws. nothing to seal anything...
2008 Moomba Mobius XLV. Monster Cargo Bimini, WS Rev 410's, Polk Cabins, 3 Infinity Subs, PPI amps, WS420, Exile BT, upgraded ballast pumps, up to 3,500+ pounds of ballast, Blue LED's...
1992 Supra Sunsport. **SOLD** 2k pounds ballast, Surf System, Blue LED's everywhere, decent audio system.
Tow Rig: 2013 F150 Ecoboost FX4 (wife's rig) Other money pits include:1998 BMW M3 Cabriolet, 2009 Audic A6 Avant 3.0T, 2005 Kawasaki ZX-6R 636.
www.TraysonsToybox.com
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02-01-2017, 01:33 PM #7
I sent Engine Nut a PM and asked him to weigh in. Let's see what he says.
My Mom said I'm not allowed to get wet!
2008 LSV (sold)
2000 Outback LS (sold)
LLTR!!!!!!!!
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02-01-2017, 05:09 PM #8Junior Member
- Join Date
- Jan 2014
- Location
- Illinois
- Posts
- 28
If you check the cap at regular intervals you can clean the brass contacts with some wet sand paper before the oxidation builds up too badly. Pretty easy to do if you catch it before it gets too bad...and its free.
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02-01-2017, 09:55 PM #9Senior Member
- Join Date
- Oct 2004
- Location
- Middle TN
- Posts
- 148
The distributor housing is sealed from spark not the cap itself. If the cap is seated onto the housing correctly and screwed down tightly, spark should not escape.
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02-02-2017, 01:12 PM #10
From Engine Nut PM:
The caps and rotors used on Indmar engines are no different than those used in automotive applications. The distributor itself is a marine specific component due to the requirement that the distributor vents must prevent any arcing that would occur inside the distributor from igniting gasoline fumes in the engine compartment. Other marine specific components are starters, alternators, carburetors and flame arrestors. Look for the number J1171 on the starter, alternator and distributor. This is the identification number of the test that the US Coast Guard uses to ensure those components are spark arrested. The number on the flame arrestor is J1939 and on a carburetor, the fuel bowl vents must direct any fuel back into the throat of the carburetor in case the float sticks and the float bowl overflows. Hope this helps.
Larry Engelbert
Indmar Marine Engines
"Power to the Sport"
Thanks, Larry!My Mom said I'm not allowed to get wet!
2008 LSV (sold)
2000 Outback LS (sold)
LLTR!!!!!!!!