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Re: Who has converted blower FI Hat to EFI?
[Re: Blucuda413]
#2937706
06/28/21 04:11 PM
06/28/21 04:11 PM
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Joined: May 2004
Posts: 12,392 Taxes & Virus's R-US, NY
Dragula
I Live Here
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I Live Here
Joined: May 2004
Posts: 12,392
Taxes & Virus's R-US, NY
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I did it....except without the blower. Couldn't afford both. https://www.youtube.com/watch?v=-AXRHXSV5JcWith a blower you want 8 injectors above, and 8 below the blower port injected. Rich at FastManefi is a great source of info and has built many of these. I can tell you a bug catcher is touchy to drive on the street. I had to have two programs, one for driving, one for racing. Now a days, they have a progressive style available. Me, I would use Holley EFI, and rails, you can get almost anywhere. Also the conversion above the hat is available in a few different forms. BDS has a real nice injector hat efi spacer, and there are tons of others as well...
Last edited by Dragula; 06/28/21 04:20 PM.
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Re: Who has converted blower FI Hat to EFI?
[Re: Blucuda413]
#2937827
06/28/21 09:01 PM
06/28/21 09:01 PM
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Joined: Jan 2005
Posts: 2,540 Milwaukee WI
TRENDZ
master
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master
Joined: Jan 2005
Posts: 2,540
Milwaukee WI
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I converted one to efi. It was an enderle hat. The guy bought the car site unseen over the internet. Had no idea it was a mechanical alcohol car. Made it appear to be true mechanical with injectors inside the hat. Used the steel mechanical injector lines as the feed tubes to the iac motor. I found out that in order to make it drivable as a street car with a decent idle speed, i needed to block off the two outer most throttle blades. Turned out to work pretty nice. A whole lot of fab work to do. Even more than I am used to, and I build damn near everything. The blades are to darn big to have controllable idle below 1300 rpm as originally built. If you close the blades enough to get a real world idle speed, they flex, suck shut, and bind. My cure was to plate off the outer blades inside the hat. This allows the outer appearance to to maintain the look, yet still have a single blade to deal with for real world drivability. I found out after the fact, that the bds kit does exactly the same thing with blocking the blades. It’s been years since I did it. I believe the blades were around 4” each, so even one is plenty for a street performance style engine.
"use it 'till it breaks, replace as needed"
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Re: Who has converted blower FI Hat to EFI?
[Re: rebel]
#2937969
06/29/21 12:02 PM
06/29/21 12:02 PM
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Joined: Jan 2003
Posts: 8,027 Tulsa OK
Bad340fish
master
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master
Joined: Jan 2003
Posts: 8,027
Tulsa OK
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One of the long time drag week guys had a hat with progressive butterflies and EFI. He has since gone turbo but he ran this combo for a long time.
You can see the progressive butterflies here.
68 Barracuda Formula S 340
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