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11-03-2009, 12:06 PM
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Registered User
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Join Date: Jan 2009
Cobra Make, Engine: ERA #776, 445 FE
Posts: 20
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Not Ranked
Issue with Expansion Tank
Am I missing some sort of spacer, or is the expansion tank supposed to butt up against the distributor cap? 
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11-03-2009, 12:50 PM
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Registered User
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Join Date: May 2008
Location: Columbus,NE,
ne
Cobra Make, Engine: 2001 Midstates Cobra Bored 390,auto,340 rear gears,antique bronze in color
Posts: 646
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Not Ranked
no it does not sit against the dist. there should be a thick flange that the thermastat sits in and that helps space it out from the dist.
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11-03-2009, 12:53 PM
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Registered User
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Join Date: Jan 2009
Cobra Make, Engine: ERA #776, 445 FE
Posts: 20
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Not Ranked
Thanks, Bob.
I figured as much.  Does anyone have a part number? |
11-03-2009, 01:09 PM
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Registered User
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Join Date: May 2008
Location: Columbus,NE,
ne
Cobra Make, Engine: 2001 Midstates Cobra Bored 390,auto,340 rear gears,antique bronze in color
Posts: 646
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Not Ranked
thats not a seperate part that i know of it should be made to the tube that the tank sits on.
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11-03-2009, 01:11 PM
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Registered User
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Join Date: Nov 1999
Location: White Plains,,
NY
Cobra Make, Engine: ERA140, ERA 267, ERA GT2038, ERA FIA 2045, ERAGT2077 ERASB2132
Posts: 906
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Not Ranked
Which distributor do you have?
Jim
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11-03-2009, 01:20 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 9,786
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Not Ranked
Does your tank look like this one from the Gessford site? I'm pretty sure that the ERA ones are not only shortened but spaced out a bit. I think Bob told me that the tanks they have now are made from scratch for them.
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11-03-2009, 02:05 PM
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Senior Club Cobra Member
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Join Date: Jan 2004
Location: St. Louis,
Mo.
Cobra Make, Engine: 427 S.O. Dual Quad / Cobra undecided
Posts: 1,317
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Not Ranked
I had the same problem, expansion tank knocking against the MSD dizzy. Ended up making my own.
Last edited by lineslinger; 11-03-2009 at 02:12 PM..
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11-03-2009, 02:15 PM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: Lone Star 5.0 / 354 stroker EFI, 402 rwhp & 416 rwtq, TKO 600, YELLOW & over 27,000 miles and a 2006 Mustang GT
Posts: 2,079
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Not Ranked
I had to make one for Lainhart 427 s.o.
Dwight
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''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
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11-04-2009, 09:27 AM
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Registered User
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Join Date: Jan 2009
Cobra Make, Engine: ERA #776, 445 FE
Posts: 20
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Not Ranked
Thanks for all the replies.
I got the tank from ERA. The distributor is an MSD (I got the model number off the Keith Craft web site). I would have hoped, for the price, that it would work without having to fabricate additional parts.
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11-04-2009, 09:32 AM
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Registered User
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Join Date: Nov 1999
Location: White Plains,,
NY
Cobra Make, Engine: ERA140, ERA 267, ERA GT2038, ERA FIA 2045, ERAGT2077 ERASB2132
Posts: 906
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Not Ranked
It depends on which distributor (ie; narrow or wide) that you got from MSD.
Again, which one do you have?
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11-04-2009, 09:33 AM
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Senior Club Cobra Member
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Join Date: Jan 2004
Location: St. Louis,
Mo.
Cobra Make, Engine: 427 S.O. Dual Quad / Cobra undecided
Posts: 1,317
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Not Ranked
Although components are reasonably interchangeable you sometimes have to be flexible when performing a build...part of the deal I think. The spacer is relatively easy to fabricate.  |
11-04-2009, 09:50 AM
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Registered User
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Join Date: Sep 2009
Location: Sacramento,
CA
Cobra Make, Engine: ERA 707, 446ci FE
Posts: 356
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Not Ranked
My car has the narrow MSD distributor and the ERA-supplied expansion tank, which has a spacer of about 3/8 thickness where it bolts to the intake port. There is about a quarter inch between the lip of the tank and the nearest spark plug wire boot.
The only reason you should need more space is if you're using the wide MSD distributor, or if your intake has an unusually deep inset on the thermostat port.
If it's the former, my 'umble suggestion is ditching the fat-top for a standard configuration disto - the look will be more era-correct and the only real advantage to the wide distributors is reduced crossfire at very high RPMs. As FEs top out at about 6k, you're unlikely to have crossfire problems in any case.
__________________
= Si Opus Quadratum vis, angulos praecidere noli. =
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11-04-2009, 12:12 PM
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Registered User
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Join Date: Jan 2009
Cobra Make, Engine: ERA #776, 445 FE
Posts: 20
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Not Ranked
Is the narrow distributor taller? I think I will have trouble with my oval air filter bottom plate hitting it as it is. I wonder if short/wide caps with the plugs on the side would fit and solve both problems.
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11-04-2009, 01:36 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 9,786
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Not Ranked
It should all fit with the billet MSD Distributor
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11-04-2009, 01:45 PM
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Registered User
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Join Date: Jan 2009
Cobra Make, Engine: ERA #776, 445 FE
Posts: 20
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Not Ranked
Patrick,
Thanks for the pictures. It looks like you have the same distributor that I have, but your expansion tank appears to have a spacer that mine didn't come with. When I get home I will look through the box again to see if it's in there and take some more pitures. My air cleaner is the long, oval one with Cobra on it that you see a lot. I will need to test fit that next to see how close it comes to the distributor.
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