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  #1 (permalink)  
Old 01-02-2011, 07:25 AM
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Default 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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Old 01-02-2011, 09:38 AM
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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.
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Old 01-02-2011, 10:19 AM
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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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Old 01-02-2011, 10:27 AM
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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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Old 01-02-2011, 01:25 PM
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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.
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Old 01-02-2011, 01:48 PM
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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.
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Old 01-03-2011, 04:08 AM
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I use the Copper RTV. I have run mine without gasket or RTV and could not tell the difference.
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Old 01-03-2011, 07:38 AM
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From DV:

http://clubcobra.com/forums/showthread.php?t=107477
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Old 01-03-2011, 07:38 PM
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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 06:39 PM..
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Old 01-04-2011, 01:46 AM
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Thanks for the information guys.
Lou
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Old 01-04-2011, 05:01 AM
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Quote:
Am I the only one that had to add a beveled, steel shim between the headers and sidepipes
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
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Old 01-04-2011, 08:28 AM
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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 08:44 AM.. Reason: More info
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Old 01-04-2011, 10:16 AM
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Thanks Mike, good info.

Lester
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Old 01-04-2011, 11:19 AM
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Mike.....the wedge shims......thanks
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Old 01-04-2011, 01:16 PM
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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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Old 01-15-2011, 06:17 AM
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I have used the High temp RTV since 2001.... Never an issue
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