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

Subject: Radiators, Modine Date: Tue, 25 Aug 1998 23:20:24 -0700 From: "Allan Connell" To: "Steve Laifman" , "Ray McCrary "

The following attachment may have been what Steve originally intended me to send.
Hope it helps.
Regards,
Allan
-----Original Message----- From: owner-tigers@autox.team.net [mailto:owner-tigers@autox.team.net] On Behalf Of Steve Laifman Sent: Saturday, July 04, 1998 3:29 AM To: Carmods@aol.com CC: dbinkley@argotech.com; tigers@autox.team.net Subject: Re: Overheating

Carmods@aol.com wrote: Maybe some of you have comments to add in the area of cooling, or would like to elaborate on these basic areas, or would like to point out something I've over looked or erred in. John Logan Not overlooked, but some details specifications may be of help. FIRST NOTE: If your problem is a scaled up block, bad pump, too many mods for more HP, bad hoses, leaks, or any other functional deficiency, all these enhancements won't fix a broken system. Check these FIRST.
1) 6 Blade Ford fan (made in Canada) cut down about 3/8" off tips, uniformly to keep balance and clear rack. Understand a Volvo fan (unsure model/year) is a bolt in. 2) Complete shroud around fan in FRONT of rack. 3) After flushing engine of loose scale, add external brass Gano 1 3/4 filter (Mustang supplier). This one has ridges to hold hose on. Clean filter elements (brass screen traps) frequently (1,000 to 2,000 miles) until sure accumulation rate wont clog filter. 4) Verify pressure cap function with tester 5) Add overflow and recovery system between tank and radiator. Interdynamics, Brooklyn NY 11232 Model MCR-3 "Narrow Container" 1 1/2 Qt. Capacity fits right in, at a slight angle, and can be filled from under the hood easily. Available cheap at most big parts stores. Recovery cap must be used on expansion tank. 6) Extend horns by added 2 inch extension with 1/4" grommet for wires through new air block-off plate. I have made copies of the Rootes option, and they can be pop-riveted, screwed, or double-sticky tape mounted. MIGHT CONSIDER LIMITED PRODUCTION, with powder-coat finish, of extension (steel) and block-off (aluminum) sets if there is enough interest. LET ME KNOW.
7) Replace orignal, or older design 4 row, with new high density, high performance radiator. Same thickness as original 3 row, and requires no mods of tanks. Modine H 69 H Cross flow. 18 1/2 W x 15 1/2 high. Four parallel rows of tubes, 36 tubes/row, each 3/8 inch deep by 0.080 wide externally. 14 fins/per inch fin density. This is about $300, built by radiator shop, and well worth it.
7A) Some like aluminum 2 row radiators. They work well, but are much thicker than stock and need a lot of special shroud fitting, or fabrication. Cost about $100 MORE. Cullen Bennet uses one in Arizona - with air conditioning! 8) Use 180 F premium thermostat. Engine likes that temp, minimum. Drill 1/8 inch hole through plate. 9) For bumper-to-bumper traffic, use Scotts Manufacturing Co., Valencia CA . (800) 544-5596, ask for Gary Wilson. American made electric fan. Straight blade, shrouded, Permanent Magnet motor "Terminator 13" size pusher. Use 40 amp relay, relay base (if desired), 20 amp weatherproof fuse holder. Cost about $120 + any applicable tax and shipping. Well made and fits. Has brass insert "feet" top and bottom. Installed with pop-rivets to top of interior body in front of radiator, and on 10" aluminum angle bolted to "crank" box. Make sure close enough to radiator to allow insulation foam to seal. May need to "flatten" rear lip of "crank" box. I used CAT trunk rubber gasket (DON'T use for trunk, there is no steel core) and pop-riveted it to the outer rim of shroud, then filled in rest with foam insulation. Seal is REQUIRED. Did not use thermostat, but manual switch. Wire control switch through relay with fuse on high current (12 amp) fan side. 10) Am considering last design deficiency of Tiger, lower valance holes do not guide air through radiator. A simple aluminum sheet, bent to fit between jack horns and connect lower lip of valance or valance holes to lower edge of radiator is easy enough with 0 temper aluminum sheet that can be bent by fingers. Use foam tape for edge seal, so that metal doesn't rub 11) LAT hood lets hot air out. 12) Edelbrock makes an excellent aluminum Hi-Po water pump, but expensive. Hub may neeed slight adjusting. Sunbeam Specialties sells new aftermarket aluminum that has correct hub (I think).
IF ALL THIS DOESN'T WORK, PUT THE ALPINE ENGINE BACK IN, OR SEE RAMON (Where there is no such thing as hot running Tigers, if nothing is broke) {9->
-- Steve Laifman B9472289

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