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Kirkham Motorsports

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  #141 (permalink)  
Old 03-30-2021, 11:43 AM
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That is one mean-looking Cobra! Beautiful!
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  #142 (permalink)  
Old 05-19-2021, 02:16 PM
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For those of you thinking of using felpro exhaust gaskets... DONT DO IT!!! They are crap Garbage POS gaskets. I was about ready to nickname my car the popcorn machine due to the popping during de acceleration... then I noticed the horrible exhaust leaks. I will try the remflex gaskets. They are in the photo...Ill keep you posted. I needed to remove my side pipes anyway to have them re coated. The ceramic coat job that I had done TWICE was terrible. I am having them done a third time WTF!!!!
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  #143 (permalink)  
Old 05-19-2021, 02:42 PM
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Originally Posted by ERA 626 View Post
For those of you thinking of using felpro exhaust gaskets... DONT DO IT!!! They are crap Garbage POS gaskets.
Yes, felpros leak. Instead, try the Copper SCE 4034 gaskets. And, an old trick is to use two on each side. Yep, two on each side. And make sure the primary pipes are perfectly flat and true as well.
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  #144 (permalink)  
Old 05-19-2021, 03:26 PM
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I use the copper SCE gaskets too (but only one per side). I highly recommend them.
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  #145 (permalink)  
Old 05-19-2021, 03:39 PM
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i will try the remflex they are in the photo...
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  #146 (permalink)  
Old 05-19-2021, 03:55 PM
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i will try the remflex they are in the photo...
OK, but at least put a straight edge across the primary flanges to see if they're true.
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  #147 (permalink)  
Old 05-25-2021, 11:51 AM
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all done... this photo is right before I removed the billboards. Installed Avons.
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  #148 (permalink)  
Old 05-25-2021, 12:07 PM
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That looks real good. Are the primaries still poppin'?
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  #149 (permalink)  
Old 05-25-2021, 05:37 PM
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I removed the pipes to have them re coated and I am replaceing the gaskets with the copper ones. I am hoping this will solve the poppin issue.
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  #150 (permalink)  
Old 05-25-2021, 07:31 PM
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Mike, where did you send the to?
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  #151 (permalink)  
Old 05-26-2021, 09:22 PM
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Originally Posted by NROTOXIN View Post
Mike, where did you send the to?
huh? huh?
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  #152 (permalink)  
Old 05-26-2021, 09:41 PM
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Your pipes, where did you send them to get re-recoated?
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  #153 (permalink)  
Old 06-07-2021, 11:23 AM
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Default Pipes coating

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Originally Posted by NROTOXIN View Post
Your pipes, where did you send them to get re-recoated?
Are you curtis? with the black SPF with white stripes? I saw your car at the car show saturday... I looked for you and could not find you.

I took my pipes to Caps in fresno, if you go there make sure you tell them about me. They will remember me I had to have my pipes recoated because the first product they put on them was not good. They re did my pipes this time very nice and NO CHARGE...
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  #154 (permalink)  
Old 06-07-2021, 11:25 AM
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Default popping issue

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Originally Posted by patrickt View Post
That looks real good. Are the primaries still poppin'?
yes!!! It turned out to be a setting in the mega squirt. Unchecked a box and fixed it 95% of the popping is gone. I am still playing with the fuel table and ignition tables to get it right...
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  #155 (permalink)  
Old 06-08-2021, 06:10 AM
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Quote:
Originally Posted by ERA 626 View Post
For those of you thinking of using felpro exhaust gaskets... DONT DO IT!!! They are crap Garbage POS gaskets. I was about ready to nickname my car the popcorn machine due to the popping during de acceleration... then I noticed the horrible exhaust leaks. I will try the remflex gaskets. They are in the photo...Ill keep you posted. I needed to remove my side pipes anyway to have them re coated. The ceramic coat job that I had done TWICE was terrible. I am having them done a third time WTF!!!!
In #142 photos it appears that each header pipe has an outer pipe and inner pipe. I can see on #50 the ends of the side pipes.I'm assuming that the end of the side pipes go up in between these. Does the end of the side pipe seal on the ends of each pipe up inside? Any type of copper gasket that goes in there? Do they seal well enough for the EFI to not let any O2 in?
Thanks,
Mike

Last edited by mvanhorn8893; 06-08-2021 at 06:19 AM..
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  #156 (permalink)  
Old 06-08-2021, 02:27 PM
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Quote:
Originally Posted by mvanhorn8893 View Post
In #142 photos it appears that each header pipe has an outer pipe and inner pipe. I can see on #50 the ends of the side pipes.I'm assuming that the end of the side pipes go up in between these. Does the end of the side pipe seal on the ends of each pipe up inside? Any type of copper gasket that goes in there? Do they seal well enough for the EFI to not let any O2 in?
Thanks,
Mike
I assume you are referring to the headers that index into the side pipes? yes they seal extremely well, so well that once they are installed it is a real PITA to remove them...
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  #157 (permalink)  
Old 06-08-2021, 03:27 PM
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i was logged in as the wrong user name lol...
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  #158 (permalink)  
Old 06-10-2021, 02:45 PM
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Chassis Dyno today
488 hp 512 torque at wheels
estimated 665 hp and 692 Torque at crank
max torque at 4100 rpm
Max HP at 5357 rpm
Turn up the volume!!!

https://vimeo.com/561552472
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Last edited by ERA 626; 06-10-2021 at 03:26 PM..
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