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06-28-2007, 01:37 PM
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CC Member
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Join Date: Jun 2006
Location: pottstown,
pa
Cobra Make, Engine: era 289 FIA #2112
Posts: 326
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Not Ranked
weber intake thermostat or external
I am in the planning stage of the intake for a 289 FIA and have noticed that there are two variations on the intake manifold for weber induction. One with the thermostat in the intake and the other with an external.
I believe that the external is period correct (is this right?). Are there any pros or cons to which setup to use?
Marc-Alan
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06-28-2007, 01:55 PM
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CC Member
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Join Date: Jul 2000
Location: Shreveport,
LA
Cobra Make, Engine: CSX4083, NOS 427 SOHC, serial number 589. Dyno'd in 1967 at 629HP with single 4v 560 Holley. Now with 4 Webers.
Posts: 295
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Not Ranked
Here you go, for sale, the entire small block setup, ready to bolt on, new, polished, chromed, complete from Inglese:
Alan Sorkey
Shreveport, LA |
06-28-2007, 03:57 PM
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CC Member
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Join Date: Nov 2003
Location: New Britain,
CT
Cobra Make, Engine: Size 10 Feet
Posts: 3,028
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Not Ranked
The original FIA used a simple restrictor (with the manifold pictured above) - no thermostat at all - but I don't recommend that for street use. I've fabricated an in-line thermostat that mounts in between the water manifold and the radiator. The manifold with the thermostat housing built-in is a little cleaner installation, and, since the thermostat is right at the engine, probably holds temperature closer to ideal. It's hard to beat the look of the external manifold, though.  |
06-28-2007, 04:36 PM
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CC Member
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Join Date: Apr 2004
Location: Hyannis,
MA
Cobra Make, Engine: ERA FIA #2039
Posts: 255
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Not Ranked
Thermostat in the manifold
I used the manifold with the thermostat (GT 350 type) to leave room for the tach drive distributor that I use.
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06-28-2007, 07:14 PM
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CC Member
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Join Date: Dec 2000
Location: Los Angeles,
CA
Cobra Make, Engine: E.R.A. FIA #2088 1964 289 w/Webers
Posts: 2,151
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Not Ranked
The External looks right. I'll Try to find a better pic for ya. Look up & call Wilson Manifolds. They sell the inline housing as on my car(upper right of pic)
__________________
Hyde D. Baker
Last edited by Tongue Pirate; 06-28-2007 at 07:19 PM..
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06-28-2007, 07:21 PM
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CC Member
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Join Date: Dec 2000
Location: Los Angeles,
CA
Cobra Make, Engine: E.R.A. FIA #2088 1964 289 w/Webers
Posts: 2,151
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Not Ranked
Here it is
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Hyde D. Baker
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06-28-2007, 07:29 PM
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Stolen Avitar
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Join Date: Oct 2004
Location: Brunswick,
GA
Cobra Make, Engine: BDR 1311 428PI
Posts: 3,044
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Not Ranked
I've used an in-line from a Ford 8n tractor as well for the same type of set up. No kidding it actually works! You may not want to tell anyone else that you have a tractor part on your Cobra but at least it's a Ford part! LOL
Steve
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06-28-2007, 07:32 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
I am strongly considering reducing the Outside Diameter of a Robert Shaw Brass balanced thermostat by removing the majority of the outer flat surface and fit it inside the upper hose at the entrance to the radiator, If it works which I believe it will, it will be unnoticable and work as if it were in the manifold.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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06-28-2007, 07:45 PM
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Stolen Avitar
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Join Date: Oct 2004
Location: Brunswick,
GA
Cobra Make, Engine: BDR 1311 428PI
Posts: 3,044
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Not Ranked
Rick, that's how the 8n thermostat works.
Steve
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06-29-2007, 05:23 AM
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CC Member
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Join Date: Jun 2006
Location: pottstown,
pa
Cobra Make, Engine: era 289 FIA #2112
Posts: 326
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Not Ranked
First off, thanks everyone for their responses.
Steve, could you please post a picture of the 8n thermostat?
Bob thanks for the background information, I couldn't find a reference. What does the ERA part that you fabricated cost?
Hyde, I will call Wilson Manifolds later
Marc-Alan
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06-29-2007, 07:54 AM
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CC Member
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Join Date: Nov 2003
Location: New Britain,
CT
Cobra Make, Engine: Size 10 Feet
Posts: 3,028
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Not Ranked
I think this is the way to go. (Less work for me...)
Ford B2NN-8575A, about $25
Does anyone know what the diameter this housing is?
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06-29-2007, 09:47 AM
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Club Cobra Member
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Join Date: Nov 1999
Location: Salem,,
NJ
Cobra Make, Engine: ERA 289 FIA #2100 Rio Red Wimbledon White Stripes 302 stroked to 331 Webers Richmond Road Race 5 speed
Posts: 782
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Not Ranked
What year and model does the above Ford thermostat fit? I tooh a thermostst for a 2001 Ford Escort, ground the flange flat and tack welded it between 2 pieces of 1 1/2 stainless tubing to fit inside the hose.
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 Snakebit
Last edited by Snakebit; 06-29-2007 at 09:55 AM..
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06-29-2007, 10:54 AM
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CC Member
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Join Date: Nov 2003
Location: New Britain,
CT
Cobra Make, Engine: Size 10 Feet
Posts: 3,028
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Not Ranked
That's the tractor thermostat, mentioned above.
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06-29-2007, 01:14 PM
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Senior Club Cobra Member
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Join Date: Dec 2003
Location: Cleveland area, OH,
OH
Cobra Make, Engine: CSX4xxx, Alum. Shelby 427 w/ Webers,
Posts: 25,033
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Not Ranked
Hyde - nice covers for the webers. Where did you get them?
again nice set-up!!!
.
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Jon
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06-29-2007, 06:04 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Thank you lovehamr. I will pick one up tomorrow, I love it when a plan comes together.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
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06-29-2007, 07:40 PM
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CC Member
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Join Date: Dec 2000
Location: Los Angeles,
CA
Cobra Make, Engine: E.R.A. FIA #2088 1964 289 w/Webers
Posts: 2,151
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Not Ranked
Gotta Make em yourself  I did a lot of eye ballin' & estimatin'. Found me a decent set of used covers, bought the breathers to figure the diameter of the stacks. Then started patchin', cuttin' templaten'  They turned out pretty decent. A quality welder would probably cuss me out a few times for my lack of clean welding but i figure these probably were made for racing & not so much for beauty back then anyhow 
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Hyde D. Baker
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06-30-2007, 09:27 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
I picked up one of the above thermostats this AM. It is a New Holland part #(Bob posted the # above). I paid a little over $18.00 for it. The major diameter at one of the joints is just over 1.500" so it should fit in the upper hose comfortably. I quizzed the counterman about the HP/vintage of the tractor that uses it. He said 1940ish 25 HP!. That being said I hope the opening is not too restrictive. The last thing I want at this point is a motor that is going to overheat. One small concern is that it is a 160 degree opening. I was told there is no alternate. I have a 180 thermostat in the engine now and really have no desire to make it run cooler. Maybe I am thinking too hard???
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
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06-30-2007, 10:02 AM
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CC Member
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Join Date: Dec 2000
Location: Los Angeles,
CA
Cobra Make, Engine: E.R.A. FIA #2088 1964 289 w/Webers
Posts: 2,151
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Not Ranked
I'd be a bit scared too! Only one way to find out
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Hyde D. Baker
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09-05-2007, 10:24 AM
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CC Member
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Join Date: Nov 1999
Location: White Plains,,
NY
Cobra Make, Engine: ERA140, ERA 267, ERA GT2038, ERA FIA 2045, ERAGT2077 ERA2893000EXP
Posts: 1,117
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Not Ranked
A source for the thermostats referenced by Bob is:
Davis Tractor Parts - Ford 8N Dept
24263 Antioch Road
Andalusia, AL 36421
Phone: 334-222-7214
Fax: 334-222-0025
Email: dtp@alaweb.com
http://www.ford8n.com
Jim
PS: I drove around this past weekend in my FIA without the thermostat and the temp gauge barely moved and the oil temp didn't move at all. I'm going to try the tractor part and I'll report back. |
09-05-2007, 07:56 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
I found the 160 degree temp too cool for my liking. There are some standard thermostats available that are the correct small diameter (1 1/2 inches), that are packaged by Stant and others that are 185 degree rating. They can be put inside the top hose and butted up against the end of a connector tube to keep them in place, or a short length of stainless tubing can be tack welded to it to make it more substantial. Some have a rubber ring around the outside that has to be removed before use.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
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