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  #1 (permalink)  
Old 05-02-2021, 06:01 PM
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Cobra Make, Engine: Backdraft cobra FE big bock
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Guys, thank you for the tips, pics and links! This has been very helpful. As soon as weather permits ill chime back in with what I find. I know fuel pressure is adjustable but it has no inline fuel pressure gauge. I also have no clue if it has a fuel return...so unsure if pushing pressure up would create more issues...
When im ready to check fuel pressure, I can post what setup I have so maybe I can get better suggestions. Off to look at all those links now and aircleaners...

Last edited by Soundkillr; 05-02-2021 at 06:16 PM..
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Old 05-03-2021, 09:28 AM
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Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
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Default Better Pic of Spring Force Offsetting

Here's a better pic on the simple, but important, point of having two springs on opposite sides of the throttle shaft pivot point. Each spring pulls in the opposite direction of the other spring. And these are not hardware store springs that you put on your screen door. They are PAC Racing springs and neither spring has a point of failure in common with the other. This really does make the throttle feel right, and it's safer too. If one spring breaks, you'll notice your throttle pedal feels different, but it will still be safe to drive home. If you're going to do it, you might as well do it right. Especially when it only costs you about ten dollars more. For some reason, a single spring on a carb always breaks when you're at WOT, never when you're idling in the driveway or staring at it in the garage.


Last edited by patrickt; 05-12-2021 at 04:08 PM.. Reason: typos
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