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Re: Hot Tigers

To: <nicholsj@oakwood.org>, <tigers@Autox.Team.Net>,
Subject: Re: Hot Tigers
From: "Bill and Carol Rogers" <milward@gte.net>
Date: Wed, 3 Sep 1997 17:27:23 -0700
Jeff
You missed from your list the coolant recovery system in Jim Barrett's
post.  I have used one for years.  It is simple, cheap, non stock and more
water works better. 6 blade fan too.
Bill Rogers

----------
> From: nicholsj@oakwood.org
> To: tigers@autox.team.net; Anita Barrett <anitabrt@mindspring.com>
> Subject: Re: Hot Tigers
> Date: Wednesday, September 03, 1997 8:53 AM
> 
>      
>      Jim, I have to agree with you.  Reading the comments about cooling 
>      Tigers using trick rads., trick fans, electric fans, and all the
other 
>      stuff leads me to the conclusion that the 'cure'  for overheating
is: 
>      1)Recore the radiator with copper/brass core 
>      2)Replace the temp sensor and calibrate the temp gauge 
>      3)Make sure the radiator shroud is installed 
>      4)Use 160 thermostat 
>      5)Expect the car to overheat if stuck in traffic. 
>      
>      I found recoring the radiator and using a new temp. sensor to have
the 
>      greatest effect on fixing my Tiger's overheating problem.  Owners of

>      other 1960's  cars have told me they worry about overheating when 
>      moving slow or are stopped so this is not unusual with older cars.
>      
>      Jeff
> 
> 
> ______________________________ Reply Separator
_________________________________
> Subject: Hot Tigers
> Author:  Anita Barrett <anitabrt@mindspring.com> at INTERNET
> Date:    9/3/97 8:18 AM
> 
> 
> Tigers,
>         I am having a few chuckles with all the "Cooling of hot Tigers"
> mail.  I have a 4 barrel head 351 Cleveland in my tiger which I drive 
> to work every week day.  The 351 gets 14 mph on a good week and normally 
> around 13 mpg.  Needless to say I am burning more gas per minute than 
> most 260 or 289 Tigers; yet I don't have an overheating problem.  I
> do admit that when I spend 15 minutes in traffic the temperature gauge 
> goes up to about 1/2 way between the 85 and 120 degree mark.  In normal 
> driving the gauge sets just slightly above the 85 degree mark.  I have
> a generic " Do Not Open while Hot Coolent Recovery" cap on the expansion 
> tank (which is completely full) and a plastic recovery bottle. 
Apparently 
> the cap has not opened this summer as there is green antifreeze in the 
> radiator, but the plain water half filling the recovery bottle is still
clear.
>         I do have a wider and longer engine compartment than stock, but
> then again I have a bigger motor filling it up.  I assume some of the air

> can get around the motor and out under the Tiger.
>         The radiator is 4" wider than stock and it has a modern copper
core in
> it ( which weighs a lot less than the stock English core).
>         Inlet and outlets were added to the lower left and upper right
> to match the Clevland I/O.  The original Radiator I/O are capped by 
> "Jones Plugs" ( these are rubber caps used by the plumbing industry when 
> they pressure test their plumbing).  Probably need to replace them as 
> they are now 6 or 7 years old.
>         I have a 6 blade 14" steel fan that orginally supplied by Sears
> for an aftermarket air-conditioner for a Rambler.
>         The thermostate is unmodified.  The Cleveland has the stock OEM
> copper washer under the thermostat to slow the water flow.
>         When running the Tiger for long periods of time parked in the
> driveway ( say to charge a battery or when I am doing work that requires 
> the motor to run for a long time such as breaking in a new camshaft) the 
> Temperature gauge gets on up there towards 120.  At that point I either
>  shut it off or set up an electric fan to blow air in the grill.  
> Sometimes I use a hose to provide a small water spray on the radiator 
> in these cases.
>         The Tiger has the stock Tiger II dual pipe oil cooler on it. 
>         The Thermo-Tec that I wrapped the headers in has caused the 
> running temperature to increase 8 to 10 degrees.  I did not rejet the 
> carb after wrapping the  headers and it seems that I may have lost 
> 1/2 to 1 mpg due to the wrap.  Maby due to excess cylinder scavaging?
>         I have a reversed hood scoop but that is mainly for air filter
> clearance.  Some air comes out of the rear of the scoop below 35 mph but 
> air enters above 35 mph.
>         Most of my driving is in town at 30 to 60 mph;  however I
> don't waste any time starting from lights unless I am blocked by 
> traffic.  I also don't have temperature problems at 90+ on the 
> highway.  That is in Florida where the air temperature is 85 to 
> 90 degrees with 85 to 100 percent humidity most of the year. 
> (when It is not raining)
>         My recommendation to Tiger Owners is to have your radiator
> recored with a modern core.  I have had a couple done for around 
> $130 at the local  radiator repair shops.  I truely believe that
> the state of the art in radiators has improved in the last 30 years. 
> Lighter and more efficient.  ( Air has a chance to get through the core 
> compared to the very dense fins of the original Tiger core.)
> Jim Barrett Tiger II 351C and others
>      

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