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Kirkham Motorsports

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  • 1 Post By patrickt
  • 1 Post By DanEC
  • 1 Post By t walgamuth
  • 2 Post By patrickt

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  #1 (permalink)  
Old 10-15-2021, 12:10 PM
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Cobra Make, Engine: ERA #804
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Default ERA Brake Master Cylinder adjustment rods

I just changed out the non-functioning hydraulic brake light switch on the master cylinder on #804. The new switch solved the problem of no brake lights . This subject has been covered several times in this forum including a "factory" bulletin on how to replace the switch. While I was under the car I did an inspection of other components of the brake system that is covered by the aluminum box protecting the master cylinders. I found some play in the adjustment rods as shown in the video link below. Just want to verify that this is not something I should be concerned with. Thanks in advance.
Gary
https://www.youtube.com/watch?v=YzI7iJP7CR0
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Old 10-15-2021, 12:42 PM
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There is wobble built in to the brake balance bar. Seriously though, take a look at the manual and see the instructions on changing front to rear bias. You change fluid pressures by moving the shims around from one side of the bearing to the other.

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Old 10-15-2021, 05:27 PM
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Yes, normal.
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Old 10-16-2021, 11:27 AM
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Thank you Patrickt and Dan. She's all buttoned back up and everything is working fine. Patrickt, the brake bias was fine before I installed the new switch so I left that as is.
While the car was up in the air I installed a 180 degree oil cooler thermostat adapter in place of the standard cooler adapter. I wasn't getting sufficient oil temps with no thermostat and now I get consistent 180-200 degrees which is much better for the engine.
The Derale oil thermostat sandwich adapter is plug and play with the correct 3/8" NPT ports.
https://derale.com/product-footer/fi...iameter-detail
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Old 10-22-2021, 08:00 AM
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The engine is designed for good hot oil. No stat is not a good idea imho.
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Old 10-22-2021, 08:50 AM
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Quote:
Originally Posted by t walgamuth View Post
The engine is designed for good hot oil. No stat is not a good idea imho.
Yep, nothing like good hot brake fluid boiling up and turning to gas just as you near the switchback at a good 110. Wait, that's not right....
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Old 10-22-2021, 09:28 AM
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It has been my experience that the oil coolers installed on most replica's do not allow the engine oil temps to reach optimum operating temperature. Even on a hot day, prior to installing the oil temp thermostat the oil temps would seldom go above 60 degrees Celsius. Unless you are consistently running at high RPM's such as on a race track, the oil temp just does not get to where it should be. Blocking off the oil cooler just looks goofy IMHO and is nowhere near as effective as doing it the right way. This simple thermostat sandwich adapter is easy to install and works as advertised.
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Old 10-22-2021, 09:32 AM
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Quote:
Originally Posted by Blackbart View Post
Even on a hot day, prior to installing the oil temp thermostat the oil temps would seldom go above 60 degrees Celsius.
60C is awfully low. And now with the thermostat you're at a nice healthy 85C or so?
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Old 10-22-2021, 10:02 AM
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I have asserted since I got mine that the Cobra radiator + oil cooler over cools the engine. I messed around with higher thermostat temps but would have put in an oil cooler thermostat had I kept it another year. Since then I've seen some simply disconnect it.
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Old 10-22-2021, 10:15 AM
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60C is awfully low. And now with the thermostat you're at a nice healthy 85C or so?
Yes Patrickt, had it out yesterday, 52 degrees F outside in upstate NY, oil temp went to 85-90C. Took awhile to get there but once there it stayed very constant. If it cooled down too much I made the sacrifice of pushing on the loud pedal a little harder.
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Old 10-22-2021, 11:49 AM
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You know, I tend to agree with you that my cover could look just a bit more trick. Over the winter I think I might change the front appearance of it to look more like this, instead of flat aluminum. The black holes will not really be holes through to the cooler because the metal sheet behind it will be painted flat black, but you won't be able to tell that when you look at it. I'll have to fab it up and install it though to see if I really like it or not.



Here are two pics of my oil cooler cover as it exists now. It is easily removable by just reaching in through the wheel wells and unhooking the fastening springs, which you can see in the second pic.



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Old 10-22-2021, 01:22 PM
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Here's a quick photoshop of the idea. So that it kind of matches the fresh air intakes that you can kind of see on the right hand side.

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Old 10-22-2021, 03:30 PM
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Quote:
Originally Posted by patrickt View Post
Here's a quick photoshop of the idea. So that it kind of matches the fresh air intakes that you can kind of see on the right hand side.

That definitely looks better Patrickt and inspires hope in your thinking process, but come on, just do it!
(and hurry, there are only six left in stock)
https://www.summitracing.com/parts/d...RoCn1EQAvD_BwE
Disclaimer: No financial interest, that I know of, in any manufacturer or vender....
Gary
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Old 10-22-2021, 03:33 PM
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Or, I could paint the cover to match the black stripe and little stripe in the middle. That might look good too.
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Old 10-30-2021, 11:21 AM
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Default See if this looks better...

Here's the grill piece cut and fabbed in. It's still easily removable by hand and comes right out the front but does look noticeably better. The way it looked before was hard to notice, but did bug me. Here are the before and after pics.

Before:



After:

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