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01-02-2011, 08:25 AM
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CC Member
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Join Date: Jul 2009
Location: Westerly,
RI
Cobra Make, Engine: Fordstroker 408w custom solid roller-Craft ported Brodix 17*heads-CFM ported Vic Jr. intake-1 3/4 primaries- 575hp-TKO-600RR Liberty upgrade- -Moser 8.8 trutrac-McLeod Street Extreme--QA-1-Wilwood brakes, Classic Chambered 3" Cobrapacks, Avon's
Posts: 645
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Not Ranked
Flange gaskets
Where are you getting your flange gaskets from?
My approx.measurements are:
Bolt holes between the pipes( but outside the pipe edges) about 4 3/8 center to center
Pipes about 2" or slightly less center to center
Flange 5" square
Is this unique to B&B?
Lou
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Lou
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01-02-2011, 10:38 AM
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Senior Club Cobra Member
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Join Date: May 2006
Location: Manteca,
Ca.
Cobra Make, Engine: None, sold it
Posts: 2,439
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Not Ranked
Check Finishline, not sure what their dimensions are but they have the 4 to4 gaskets.
Not sure how good theirs are. I make my own from MrGasket material.
Finishline advertises here on CC.
__________________
Terry
"I may be paranoid, but that doesn't mean they are not watching me"
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01-02-2011, 11:19 AM
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CC Member
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Join Date: May 2009
Location: American Fork,
Ut
Cobra Make, Engine: 66 Cobra
Posts: 930
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Not Ranked
Lou, I have heard that a lot of guys are using red RTV silicone, putting a big bead on and letting it set overnight. Then assemble the next day.
Wayne
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01-02-2011, 11:27 AM
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CC Member
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Join Date: Aug 2008
Location: Yorba Linda,
CA
Cobra Make, Engine: Legendary Autos, 427 SC
Posts: 62
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Not Ranked
I use Remflex carbon gaskets
ABSOLUTELY the best I use PN RF8032 which fits a SPF flange which I think is pretty close to your measurements
Also use them for my headers. NEVER a leak after going to these
Remflex 866-641-7325
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01-02-2011, 02:25 PM
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CC Member
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Join Date: Sep 2000
Location: Monett,
MO
Cobra Make, Engine: 2 Seat Roadster-by B&B, 460+ w/auto.
Posts: 437
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Not Ranked
Wayne, you're correct but your scheduling is a little off. Put on the Red RTV,let it "skin", about 10 to 15 minutes, bolt on your sidepipes, then let it set up overnight. Trim off the excess the next day. Personally, I like the Copper RTV.
Lou, we've always used the RTV because we haven't found any gaskets that didn't eventually blowout.
__________________
Ron
Nonconformist. Can't handle a real job.
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01-02-2011, 02:48 PM
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Senior Club Cobra Member
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Join Date: May 2006
Location: Manteca,
Ca.
Cobra Make, Engine: None, sold it
Posts: 2,439
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Not Ranked
This is the gasket material that I use. I have heard of using the red RTV also, but I have never tried it.
http://www.summitracing.com/parts/MRG-5961/
You can make four gaskets from this sized sheet.
__________________
Terry
"I may be paranoid, but that doesn't mean they are not watching me"
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01-03-2011, 05:08 AM
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CC Member
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Join Date: Feb 2006
Location: Alexander,
AR
Cobra Make, Engine: B&B 427 Stroked Windsor TKO 600 w/3.50 posi 9"
Posts: 789
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Not Ranked
I use the Copper RTV. I have run mine without gasket or RTV and could not tell the difference.
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01-03-2011, 08:38 AM
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Senior Club Cobra Member
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Join Date: Aug 1999
Location: Ellington,
CT
Cobra Make, Engine: Classic Roadster 351W, T5, Red & White
Posts: 3,478
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Not Ranked
__________________
2014 Porsche Cayman S, 2014 M-B CLA 45 AMG,
Unkown:"Their sweet lines all but take my breath away, and I desire them as much for their beauty as for their use "
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01-03-2011, 08:38 PM
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CC Member
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Join Date: Jan 2004
Location: Lewiston,
NY
Cobra Make, Engine: B&B, 1969 392w, Tremec TKO
Posts: 190
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Not Ranked
Am I the only one that had to add a beveled, steel shim between the headers and sidepipes to get the driver's side and passenger side to come through the body at the same height?
Mike
Last edited by boris_thespider; 01-05-2011 at 07:39 PM..
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01-04-2011, 02:46 AM
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CC Member
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Join Date: Jul 2009
Location: Westerly,
RI
Cobra Make, Engine: Fordstroker 408w custom solid roller-Craft ported Brodix 17*heads-CFM ported Vic Jr. intake-1 3/4 primaries- 575hp-TKO-600RR Liberty upgrade- -Moser 8.8 trutrac-McLeod Street Extreme--QA-1-Wilwood brakes, Classic Chambered 3" Cobrapacks, Avon's
Posts: 645
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Not Ranked
Thanks for the information guys.
Lou
__________________
Lou
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01-04-2011, 06:01 AM
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Registered User
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Join Date: Jun 2006
Location: Bono,
AR
Cobra Make, Engine: S C Motorcars
Posts: 49
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Not Ranked
Quote:
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Am I the only one that had to add a beveled, steel shim between the headers and sidepipes
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Mike, did you have the steel shim made up? One of my sidepipes is lower that the other and I had thought that a shim would be the way to fix it, but didn't know who to see to have one made.
Lester |
01-04-2011, 09:28 AM
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CC Member
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Join Date: Jan 2004
Location: Lewiston,
NY
Cobra Make, Engine: B&B, 1969 392w, Tremec TKO
Posts: 190
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Not Ranked
There was a place online that sold them, but I can't recall where. I made mine from a piece of square steel plate the same size as the flange plate. I drilled 4 large holes to match the header/sidepipe holes and clamped the steel in the saw so it would cut the steel block on a taper. I think mine went from about 1/16" to 3/16" on the opposite corner of the plate. I cut one for each side of the car because one needed to be angled down... the other needed to be angled up. When I was done, the sidepipes were very close to being the same height when they come through the cutouts in the body.
Mike
*UPDATE* I found the wedge shims at Breeze Automotive. They may be Factory Five specific depending on the hole pattern in the shims. Mine weren't as fancy as these, but they worked perfectly and I just happened to have a piece of steel stock the right size. Here's the website for the Breeze shims...
http://www.breezeautomotive.com/search.php?search=wedge
Last edited by boris_thespider; 01-04-2011 at 09:44 AM..
Reason: More info
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01-04-2011, 11:16 AM
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Registered User
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Join Date: Jun 2006
Location: Bono,
AR
Cobra Make, Engine: S C Motorcars
Posts: 49
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Not Ranked
Thanks Mike, good info.
Lester
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01-04-2011, 12:19 PM
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Senior Club Cobra Member
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Join Date: Aug 1999
Location: Ellington,
CT
Cobra Make, Engine: Classic Roadster 351W, T5, Red & White
Posts: 3,478
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Not Ranked
Mike.....the wedge shims......thanks
__________________
2014 Porsche Cayman S, 2014 M-B CLA 45 AMG,
Unkown:"Their sweet lines all but take my breath away, and I desire them as much for their beauty as for their use "
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01-04-2011, 02:16 PM
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CC Member
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Join Date: Sep 2009
Location: Hebron,
CT
Cobra Make, Engine: B&B 427FE
Posts: 16
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Not Ranked
Lou
I buy my gaskets from Finishline.Have not had any problems.
They are 5" square & 4.25 center to center.
SKIP
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01-15-2011, 07:17 AM
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CC Member
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Join Date: Jan 2002
Location: Bridgewater,
NJ
Cobra Make, Engine: B & B
Posts: 1,323
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Not Ranked
I have used the High temp RTV since 2001.... Never an issue
__________________
Just enough knowledge to build a cobra and be dangerous...
You can observe a lot from just watching.
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