Section A - Cooling System, continued.....

Subject: RE: cooling fans Date: Thu, 6 Aug 1998 14:28:11 -0600 From: "John Crawley" To: "Allan Connell" CC: "Jim Parent" , "Tiger Owners"

Hi: I run a 5 blade Volvo fan that works well. It has stainless flex blades riveted to a steel hub and required no trimming & bolts on. It came on some 140 series Volvos. Other 140s had plastic fans which are not usable. There seems to be no rhyme nor reason as to which Volvo has which fan so you will just have to look. The price is right though - the last one cost me $3.00 at Pick-Your-Part. Godspeed Jc

Subject: 6 BLADE FAN Date: Sat, 8 Aug 1998 02:52:12 EDT From: BOBCARNUT@aol.com To: tigers@autox.team.net

As a new owner of a very rusty Tiger parts car and hopeful soon-to-be owner of a Mark 1A Tiger from Florida, I have been reading these Tiger content listings with great intrest. I can possibly help other Tiger owners in a small way. One of our local ( Lockport, NY,....just outside Buffalo ) antique car parts suppliers has a listing of various fans for Ford Mustangs. One of those listed is shown as being 15 1/16" in diameter with a 5/8" bore. It carries a part number of C9DZ-8600-A and lists for $87.55. The company is Mac's Antique Auto Parts. Their address is P.O. Box 1217 Lockport, N.Y. 14095-1217. Their toll-free telephone number is 1-800-777-0948. I hope this will be a help to all you Tiger owners. They also list many parts for the 260 V8 in their 1964 1/2 to 1973 Mustang parts cataloge. You'll probably be hearing more from me as I finally get working on my Tiger.
Bob Lerch.........( BOBCARNUT@aol.com )
Subject: Re: Electric fan attachment Date: Tue, 25 Aug 1998 12:07:53 -0700 From: Craig Wright Organization: Product Design Group To: Steve Laifman , "Tiger's" References: 1 , 2 , 3

Steve,
Not quite, more like .010" to .020" offset. An yes, the rods, crank and wrist pins hold up fine with 500 HP coming out of a 247. The change is taken up by the large clearance between the rod small end sides and the piston. JBA uses this method on all of the 427's they rebuild.
As a matter of interest, Ford used special boring bars when machining the holes in the first place. The boring fixture would reach in through the core support holes (we call the freeze plug holes) and grab the outside wall of each jug. The bore would be then centered on the outside wall. I believe the stock wall thickness of the cylinder was about .130", so you can see there is not much room for error. JBA claims that the minimum acceptable wall thickness is .095" and that may cause hot spots. My 427 was bored .030" and has a measured wall of .093" (the discrepancy is years of corrosion in the water jacket) . It runs cool, puts out 450 HP and does occasional track duty with no problem. (Knock on wood) Maybe I'm lucky.
Craig
Steve Laifman wrote:
> Craig Wright wrote: > > > They > > boring bare is shifted to place the bore in the center of the remaining walls > > resulting in fairly uniform wall thickness. Sonic testing will tell you if you can > > rebore your 260 and how much. > > > > Craig Wright > > Craig, > > While the core may shift, causing uneven wall thickness and affecting re-bore > capability, the centers of the bores are done with great precicion to put the pistons > and rods over the crank journals. Are you suggesting a 0.020 to 0.030 bore offset, > to compensate for a bad jacket thickness, will not adversely affect the rod/crank > alignment and loads? -- > Steve Laifman B9472289 >

-- ********************************************************************** Craig Wright Product Design Group, Inc. craig@p-d-g.com 4635 Viewridge Ave. (619) 569-3484 x309 San Diego, CA 92123 fax: (619) 569-3490 http://www.p-d-g.com **********************************************************************

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