[C320-list] Inadequate Dedicated Starting Battery

[ptormey at 4square.net]

I'd try your car jumper cables to see if that solves the problem. Bigger wires are usually better but you also need to check the cleanliness of the contacts, wire brushing should do it.


Pat Tormey
Blue Skies s/v
Newport, RI USA

-----Original Message-----
From: C320-list <c320-list-bounces at lists.catalina320.com> On Behalf Of Bob Hoyt
Sent: Tuesday, December 7, 2021 8:54 AM
To: c320-list at lists.catalina320.com
Subject: [C320-list] Inadequate Dedicated Starting Battery

I recently installed a Duralast G27 Marine battery to serve as a dedicated starting battery to go with my house batteries (4 six-volt golf cart batteries in series). I installed it just forward of the starboard battery compartment. The existing cables are listed as 4 gauge, so I thought they were adequate.
With a fully charged new battery and either a cold or warm engine, the motor will barely turn over. With the battery selector on all, it starts quickly. Is the group 27 battery underpowered or do I need to change the wire from the battery to the main switch and wire from the switch to the starter motor to 2 gauge? Thanks

Bob Hoyt
Hull 154
1994 C320 "Ikigai"
Pensacola, Fl


-- 

*Robert (Bob) Hoyt MD, FACP, FAMIA, ABPM-CI*

*Associate Clinical Professor, Department of Internal Medicine*

*Virginia Commonwealth University*

*Richmond, VA*


*CAPT (Ret) USN*

InformaticsEducation.org  <http://InformaticsEducation.org> rehoyt at gmail.com

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