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CC Advertisers
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10-23-2006, 09:46 AM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,291
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FE expansion tank question..
I'm contemplating installing an expansion tank on my 427 S/O in my Lone Star to add a little more "correctness" to it. I'm concerned about tank to hood clearance issues. Any Lone Star owners with a FE and an expansion tank out there??
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10-24-2006, 06:08 AM
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Seasoned Member
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Join Date: Apr 1999
Location: Portsmouth,
VA
Cobra Make, Engine: Unique 427 S/C, Dart 427W "Replica" Ford engine
Posts: 584
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Undy;
I have an original tank, set up for an FE, that I was going to modify for my 351 but I have too much stuff in the way. If you want to give it a shot, let me know.
Bill Stradtner
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10-24-2006, 03:36 PM
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Location: Virginia Beach, Va & Port Charlotte, Fl.,
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Quote:
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Originally Posted by sllib
Undy;
I have an original tank, set up for an FE, that I was going to modify for my 351 but I have too much stuff in the way. If you want to give it a shot, let me know.
Bill Stradtner
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Bill,
Looking at the pictures of standard OEM FE passenger car expansion tanks (outlet on the passenger side) it would seem possible to unsolder the bottom pipe and bracket, reverse it 180 deg and resolder it for a driver's side outlet. If this is possible (looking for answers on this one???) I would definately be interested in your tank.
Dave
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10-24-2006, 04:06 PM
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Location: Ft. Worth,
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Dave,
You could do that without a problem, depending on what the tank is made of, you could either solder, silver solder, or braise it.
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10-24-2006, 04:39 PM
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Senior Club Cobra Member
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Join Date: Jun 2005
Location: Scottsdale,
az
Cobra Make, Engine: Bought an Exact carbon car in TX. Bought a 427 sideoiler with 630 HP
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The original question hasn't been answered and I can't help with the clearance issue. I can add, however, that the brass expansion tanks tend to leak unless you're very lucky. After my limited experience with them (three re-solders and still leaking) I decided to go with a stainless steel tank from Southern Automotive. No more leaks.
John
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10-24-2006, 04:55 PM
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Join Date: May 2001
Location: California,
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Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
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The type of solder typically used does not have enough Tin in it to provide any structural strength. The vibration shakes it apart, especially with the firmer suspension and radical cams that Cobras tend to posess. Change to Silver Solder applied correctly and alot of the problems will go away.
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10-24-2006, 06:18 PM
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As an HVAC contractor I do a lot of silver soldering. I've got some 45%, 15% and some 5% (econo solder jobs..  ) on my truck. With a very thin wall brass tank it'll be somewhat difficult to control temps with the comparitively high melting point of silver solder. The thin brass tends to warp and buckle, sometimes even splitting. I can soft solder with 95/5 (tin antimony)which has a shear strength approaching siver solder's.
Dave
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10-24-2006, 09:37 PM
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Senior Club Cobra Member
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Join Date: Jan 2004
Location: McAlester,
Ok
Cobra Make, Engine: Lonestar LS427, Keith Craft 496 Genesis, 649 hp, 668 ft-lb, TKO-600, Dynatek Stack EFI
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Dave
No problem with clearance on the LS. I used the Dove aluminum tank with the drivers side outlet with no issues. Theres pics in my gallery if needed.
Brad W.
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10-25-2006, 09:49 AM
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Since it is brass, your bet bet would be to braise it then, you will get good strength out of the weld, and it is a low temp. process. But the stainless steel one might be your best bet, they probably have one already configured for the drivers side. jimig@standardtransmission.com
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10-25-2006, 11:50 AM
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Thanks to all for offering help (one of the board's strong points) ...
Southern Automotive has a really good looking polished, 100% stainless steel expansion tank that duplicates that factory stamping v-e-r-y closely. It's $425 plus shipping. I went that route... I guess you get what you pay for.
I really don't need another do it/mod it yourself project anyway.
Dave
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10-25-2006, 12:19 PM
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That will work Dave, sometimes that is the easiest route, and a whole lot less of a headache. jimig@standardtransmission.com
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True friendship is like peeing your pants, everyone can see it, but only you can feel its warmth.
Plan your life like you will live to be 120 years old...Live your life like you could die tomorrow.
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