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-   -   Holley HP EFI conversion (https://www.offshoreonly.com/forums/general-q/365834-holley-hp-efi-conversion.html)

sutphen 30 04-17-2020 06:28 AM


Originally Posted by Rookie (Post 4734148)
(Smitty, can this regulator be used as 1 IN, 1 OUT and 1 Return OUT???) It would make a lot easier to mount the regulator next to the pump and filter.
https://www.racetronix.biz/product.asp?ic=reg-fi886bs
.

yes,you put an o-ringed cap in the unused inlet.

Rookie 04-17-2020 07:49 AM


Originally Posted by rv (Post 4734175)
Take a look at an old Cutler system. It will show you an option to solve your problem.

Thanks, I have old cutler systems. They were hard plumbed similar to what I am doing. I'm using larger fuel rails -8 vs -6, larger regulator and my fittings are just really large to fit in the same footprint using the same fuel schematic.

Rookie 04-17-2020 08:04 AM


Originally Posted by sutphen 30 (Post 4734179)
yes,you put an o-ringed cap in the unused inlet.

? I was thinking like this. In theory it should be no different than what I was trying to accomplish. Also the route that I have in the above pics will work, it just looks a little sloppy.
.
https://cimg9.ibsrv.net/gimg/www.off...6465038565.jpg

F-2 Speedy 04-17-2020 08:08 AM

You cant put a spacer on the boss where the rail mounts instead of using an L bracket ? or do the holes not line up

Rookie 04-17-2020 08:28 AM


Originally Posted by F-2 Speedy (Post 4734190)
You cant put a spacer on the boss where the rail mounts instead of using an L bracket ? or do the holes not line up

They are on my printer now and should be complete by the time I get out of the shower.
Also, no additional holes have been drilled yet.

F-2 Speedy 04-17-2020 08:49 AM


Originally Posted by Rookie (Post 4734191)
They are on my printer now and should be complete by the time I get out of the shower.
Also, no additional holes have been drilled yet.

printing spacers, gotta luv it....

AllDodge 04-17-2020 08:54 AM

To reduce chance of vapor lock

https://cimg2.ibsrv.net/gimg/www.off...27e8dc764f.jpg

Rookie 04-17-2020 09:47 AM


Originally Posted by F-2 Speedy (Post 4734195)
printing spacers, gotta luv it....

Actually added 10° bend and 1mm thickness overall.
https://cimg8.ibsrv.net/gimg/www.off...ffeac368d2.jpg


kvogt 04-17-2020 10:09 AM

regulate at the end as AllDodge suggests.

rvander68 04-17-2020 10:40 AM

For what it's worth, this is how I plumbed my EFI. Had similar situation to you getting around the distributor. Also, I ended up putting the regulator directly on the even side fuel rail (easy plumbing the return line) and then I just plumbed the odd side fuel rail with line coming off the pump & filter.

https://cimg8.ibsrv.net/gimg/www.off...f12dc7bceb.jpg
https://cimg9.ibsrv.net/gimg/www.off...8a4a569242.jpg


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