One of my favorite cars of all time. Sent from my iPhone
On Jul 27, 2016, at 10:31 AM, Stephen <steve@snclocks.com> wrote:
As we have gotten to know our new Brock Daytona I have been reminded of all the things that contribute to a car overheating. Besides the obvious (too little coolant, fans not spinning, radiator full of bugs or plugged internally) one must also think about things like the timing and the fuel mixture. Our Daytona with its 427R was prone to getting warm. Found that the timing was off by about 5 degrees (retarded) and the fuel mixture was way lean. Do these things matter? Well, after getting the timing right and resetting the fuel pressure (was at 2, recommended 6 psi), the float levels (down a quarter of an inch) and the idle mixture, wow - not only runs cooler, but the increased hp showed the clutch was not fully releasing - so next adjusted the length of the slave cylinder rod.
Of course, to get the timing I wanted (as recommended by folks on the Superformance forum - 18 to 20 degrees BTDC at 1,000 rpm and 34 or 36 at 2,500 rpm) I ended up needing to turn a custom bushing for the MSD distributor. But, wow, does she now pull!
Stephen Nelson 5332
-----Original Message----- From: DeTomaso [mailto:detomaso-bounces@server.detomasolist.com] On Behalf Of Rich Sent: Wednesday, July 27, 2016 6:52 AM To: Rob Dumoulin <rob@dumoulins.net>; Pantera Mail List <detomaso@server.detomasolist.com> Subject: Re: [DeTomaso] Cooling system
I think you also have to consider the location you live in. I have had 3 or 4 different brass radiators. About every radiator Hall sold and then some. In Arizona the only radiator that kept the car cool was the Ron Davis. The combination of radiator and Dennis's fans makes it work without ever being a problem. Rich
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