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    Eight Stack Air Filters

    I ran my car with screens, switched to the Amazon filters and can’t tell the difference. I don’t track my car and maybe there could be a difference.
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    Eight Stack Air Filters

    I have a Borla EFI eight stack with 50mm throttle bodies. I have been on a waiting list trying to purchase the K&N filters with no production or delivery date. The price for all eight filters is $357. I just bought these from Amazon and they fit great and look good. They also have different...
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    Joe’s AP MK1 Gt40 build

    That is the way my Borla is setup and I installed a fuel pressure gauge on the entry point as you can see on the picture.
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    Joe’s AP MK1 Gt40 build

    On my Borla setup the gas feeds into the fuel rails and then the regulator. This is the way I got it and haven’t had any issues with it.
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    FAST EZ EFI self tuning system issues

    Agree, nothing but problems with my FAST and no support. In a few weeks I will be swapping to the Holley Terminator X.
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    Engine management

    My Fast system seems to have taken a dump and their tech team offer no support and are discontinuing producing. I am looking to swap it out for a Holley Terminator X suitable for street use. Anyone out there with advice? I’m running a Ford Boss 302 with Borla eight stack.
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    FAST EZ EFI self tuning system issues

    Kurtiss and Randy I absolutely agree with your assessments, FAST technical support is lousy and their product sold as plug and play is false. They refuse to even check the ECU and see if its the issue. I’m sure someone with skills above mine can make it somehow work. I left a couple of messages...
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    FAST EZ EFI self tuning system issues

    I currently have a Borla eight stack with the EZ EFI FAST self tuning system. Idle and acceleration issues developed after a year of running great . I changed the plugs, TPS sensor and IAC and the same issues persist. I contacted FAST and was told they are in the process of discontinuing...
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    Air filters for 50mm Borla throttle bodies

    I just spoke to Patrick from Borla who said they are waiting on several back order air filters from K&N. Seems they source them from Roush. They have been on back order for about 4 months and expect delivery by Christmas. I placed my order but like Bill said they are not cheap. I paid $356.00...
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    Air filters for 50mm Borla throttle bodies

    You have exactly what I am looking for. I called Olthoff and Roush and neither have them. It appears K&N was the manufacturer but don’t make them any longer. Dave if possible can you take a picture of the inside of one of the air filters and post it? Thank you
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    Joe’s AP MK1 Gt40 build

    Location for bungs.
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    Joe’s AP MK1 Gt40 build

    My radiator had them making it easy to purge the air out. Actually one will do the job and should be easy to do. A small bung welded on top would work. Any radiator repair shop would be your best option.
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    Joe’s AP MK1 Gt40 build

    I purged all the air out in the initial setup and haven’t had a problem since.
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    Joe’s AP MK1 Gt40 build

    10mm air purge screws are located on top both sides of the radiator.
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    Air filters for 50mm Borla throttle bodies

    I have been looking and unable to find a source who sells 50mm air filters for Borla eight stacks. I believe K&N made them a few years ago. Any help appreciated.
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    Joe’s AP MK1 Gt40 build

    i read your build thread a few months ago,perfect build.did Chris make your headers? thanks Yes, Chris built my headers and I had them powder coated.
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    Joe’s AP MK1 Gt40 build

    So, I noticed the return side of your radiator does not pull off the top. There's a good chance of you getting a big bubble of air in there and the top half of the radiator going unused. You need to either add a bleed from the top of the return or something to ensure the radiator is full of...
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    Our plus 4 Stretch model is ready

    Thinking outside the box, looks great.
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    Porsche 996 or 997?

    The 996 unlike the 997 is prone to issues with 2nd gear. I have the 997 with 500hp and no issues. I don’t track my GT40.
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    FS USA Velocity Stack Filters for Dia 3 1/4-3 1/2” Stacks

    I would like to purchase them. How can I contact you?
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