[DeTomaso] Charging System Problem FIXED

[Thomas Tornblom]

2011-10-09 20:43, Tomas Gunnarsson skrev:
> If the fans need to run at highway speed the cooling system isn't adequate.

They will also not help any at highway speed.

>
> Tomas

Thomas

>
> -----Original Message-----
> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com]On Behalf Of Steve Hawkins
> Sent: den 9 oktober 2011 18:26
> To: 'Pantera List'
> Subject: Re: [DeTomaso] Charging System Problem FIXED
>
>
> It may also depend on what the weather is like wherever he lives.  What
> radiator do you have in your car?  Is your engine stock?
>
> Steve
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
> Behalf Of Mikael
> Sent: Sunday, October 09, 2011 8:41 AM
> To: 'J. Sean Keane'; 'Pantera List'
> Subject: Re: [DeTomaso] Charging System Problem FIXED
>
>
> Sean, great you got the charging fixed.
>
> Question though, it sounds like your radiator fans are on almost all the
> time? I don't think they should be, as opposed to the A/C fan that has to be
> on all the time when the A/C is used. The radiator fans on my Pantera are
> rarely on, one is thermostat driven and comes on occasionally in stop and
> go, the other one is turned on via a switch by me if the car gets too hot,
> hasn't happened yet. So why am I writing this, it's because if you have to
> have the fans on that much, I think you have an underlying cooling system
> issue, that's currently being compensated by having the fans on, instead of
> being corrected. That may mean your engine runs too hot and for sure it puts
> a strain on your charging system.
>
> Sorry to be a pain, especially when the heading includes the word "FIXED".
>
> Mikael
>
> -----Oprindelig meddelelse-----
> Fra: J. Sean Keane [mailto:jskeane6 at gmail.com]
> Sendt: 8. oktober 2011 19:43
> Til: Pantera List
> Emne: [DeTomaso] Charging System Problem FIXED
>
> I finally figured out why my charging system wasn't working properly. A
> little while back, my Pantera started overheating. It had an after-market
> radiator, but it was old and wasn't working well any more.
> I had a local shop replace the radiator with one from Ron Davis Racing.
> They also replaced the fans with newer, better units.
>
> Those fans apparently draw a lot more current than the old ones. I almost
> always have the AC on, which causes a significant current drop on the
> ammeter (I couldn't figure out why at first, then it hit me: the AC
> condenser fan). The bottom line is that the 60-amp alternator (the more
> powerful of the two that are easily available) couldn't cope with the load.
>
> I had a local specialty shop rebuild the alternator to a 95-amp model for
> about $85, and that has cured the problem. Now, when I rev the engine up
> with the radiator fans and AC going, the ammeter actually goes into positive
> charging territory instead of barely getting above zero.
> I've driven it a fair bit this last week, and it hasn't stranded me anywhere
> or hesitated when starting. This is new behavior, at least since I had the
> radiator work. Problem solved!
>
> Regards,
>
> Sean
>
>
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