Without a temp gauge I never had a problem .030 289 271 HP solid lifters
headers ,JC Whitney type stock 4 blade fan. Stock radiator.
On Fri, Jan 21, 2011 at 6:20 PM, Gary <maliburevue@yahoo.com> wrote:
> Robyn, Allen, etc
>
> The purpose of a thermostat is to set the low operating temperature, not
> the
> high. Once an engine reaches the minimum operating temperature and the
> thermostat is open, it is no longer a factor in determining how hot an
> engine
> runs. If a cooling system is functioning very efficiently, the engine
> will only slightly exceed the minimum operting temperature. That is why
> your
> engine runs 170 with a 165 thermostat. However, running an engine at such a
> low operating temperature will inhibit the deposits in the oil deposits
> from
> properly circulating and being clean out by the oil filter. That's one
> reason why sludge builds up in cool engines.
>
> Cooler engines also wear out quicker when the pistons expand more than the
> block expands. There is a wear chart in the Ford rebuild book that show
> this
> increased wear.
>
> The ideal temperature for an engine is actually around 195-205, but
> everyone
> with a Tiger freaks out when it gets that hot.
>
>
> --- On Fri, 1/21/11, RObin Young <robin02@mindspring.com> wrote:
>
>
> From: RObin Young <robin02@mindspring.com>
> Subject: Re: [Tigers] Overbore run hot?
> To: "'Allan Ballard'" <allanballard@att.net>
> Cc: Date: Friday, January 21, 2011, 12:24 PM
>
>
> ---- Allan Ballard <allanballard@att.net> wrote:
> > My 5 bolt 289 motor turns out to be bored .030 .
> >
> > Will this cause a problem with overheating?
>
> Allen, When I got my car ten years ago, the 289 .30 over engine overheated
> with the stock cooling system. Since then, I have added many performance
> items like stroking to 302, 11-1 pistons, E4-b, and bigger cam.
>
> At the same time, I re-cored the radiator with a three pass core installed
> in the original band, added Tim Ronacks air dam, and use an a-symmetric
> five
> blade fan with a 165 degree thermostat. I live in Florida and find my
> operating temps at 170 degrees which means probably either the gauge or
> T-stat is off some. Hope this is helpful. Robin Young MK-1
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