Forum: Exhaust System
05-14-2018, 03:56 PM
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Replies: 4
Views: 2,410
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Forum: Exhaust System
05-14-2018, 02:11 PM
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Replies: 4
Views: 2,410
Hot spot on manifold.
I rebuilt my late-model A4 last year and its perfect paint job has revealed a problem: a hot spot at the forward lower corner of the (original single-ended) manifold, where the paint has baked and...
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Forum: Drive Train / Propellers
08-24-2013, 03:52 PM
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Replies: 32
Views: 9,263
It’s a pleasure to be able to get such good...
It’s a pleasure to be able to get such good advice in this forum. Thank you all!
I’m not trying to increase my cruising speed. I’d be happy with any cruising speed over 5 knots. I am, however,...
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Forum: Drive Train / Propellers
08-19-2013, 08:36 PM
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Replies: 32
Views: 9,263
Wide-open throttle at 1800 RPM
I have a late model direct drive A4 matched with a Campbell Sailer 10" x 6" propeller in a C&C 29 mk 1. I can only make 1800 RPM, on the dock or in open water. That gives me a cruising speed of a...
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Forum: Electrical
06-28-2010, 11:44 AM
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Replies: 7
Views: 3,436
Alternator Switch
I have a 72 amp alternator and a 120 amp circuit breaker on the line from the alternator output to the battery. The circuit breaker is there to prevent fires but, I suppose, it could be used as a...
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Forum: General Maintenance
06-18-2010, 11:57 AM
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Replies: 59
Views: 31,428
Oil Pressure is Low on Start Up
I have been using use 40 weight motorcycle oil which, while recommended by some authorities, is probably too thick for our cold water temperatures (45 degrees F in winter, 55 degrees F in summer). ...
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Forum: General Maintenance
06-14-2010, 04:17 PM
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Replies: 59
Views: 31,428
Oil Pressure is Low on Start Up
Thanks, Hanley: I'll treat the overheating and low oil pressure on start up as coincidental problems. I'll try a lower-viscosity oil at our next oil change. Overheating is not dangerously bad: ...
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Forum: General Maintenance
06-13-2010, 03:25 PM
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Replies: 59
Views: 31,428
Oil Pressure is Low on Start Up
My late model A4 registers 10-20 psi oil pressure on startup then climbs to the desired 30-40 psi when warm (which takes several minutes in the cold waters of British Columbia. I'm also prone to...
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Forum: General Interest
07-27-2009, 08:18 PM
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Replies: 6
Views: 9,388
Cold Cranking Amps Required by an A4
Can someone tell me the cold crank amp requirements of a late model Atomic 4, please? I cannot find that in any of the specifications that I have in hand. I ask because I'm about to replace my two...
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