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Re: EFI port injection on a tunnel ram. [Re: Bad340fish] #2893906
02/27/21 10:04 PM
02/27/21 10:04 PM
Joined: Aug 2011
Posts: 2,853
Pattison Texas
CSK Offline
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CSK  Offline
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Posts: 2,853
Pattison Texas
My EFI street car, works awesome,

121167193_345799922425111187611112_8521551765471910660_n.jpg

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5

Re: EFI port injection on a tunnel ram. [Re: CSK] #2893947
02/28/21 01:49 AM
02/28/21 01:49 AM
Joined: Dec 2006
Posts: 4,647
aotearoa
rebel Offline OP
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rebel  Offline OP
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aotearoa
Well this is the manifold I intend to doctor up with the EFI. It already has holes drilled into the ports, but i'm guessing i'll be making them bigger. I like Dragulas set up, looks easy, Is there a kit that I can buy & thats will work for this manifold?

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Re: EFI port injection on a tunnel ram. [Re: rebel] #2894006
02/28/21 11:15 AM
02/28/21 11:15 AM
Joined: Oct 2005
Posts: 8,862
Ontario, Canada
S
Stanton Offline
Don't question me!
Stanton  Offline
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Joined: Oct 2005
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Ontario, Canada
Those ports appear to be drilled for nitrous. Ideally you want the FI injectors vertical, not at an angle. Also, there isn't enough material there for the injectors so you'll need to weld on some bungs.

Re: EFI port injection on a tunnel ram. [Re: rebel] #2894029
02/28/21 12:10 PM
02/28/21 12:10 PM
Joined: Jan 2003
Posts: 30,994
Oregon
A
AndyF Online content
I Win
AndyF  Online Content
I Win
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Joined: Jan 2003
Posts: 30,994
Oregon
Unless you really like doing stuff the hard way you should just sell that manifold and buy a new one from Indy that is already drilled and set up for fuel rails. If you insist on doing it the hard way I can sell you a kit of bungs and fuel rails that you can have installed on your existing manifold. You'll need to find someone who can TIG weld aluminum.

Re: EFI port injection on a tunnel ram. [Re: AndyF] #2894043
02/28/21 01:02 PM
02/28/21 01:02 PM
Joined: Oct 2005
Posts: 8,862
Ontario, Canada
S
Stanton Offline
Don't question me!
Stanton  Offline
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Joined: Oct 2005
Posts: 8,862
Ontario, Canada
And there's someone here looking for one of those intakes !!

https://www.facebook.com/groups/THEMOPARTRADERPAGE

Re: EFI port injection on a tunnel ram. [Re: AndyF] #2894098
02/28/21 03:51 PM
02/28/21 03:51 PM
Joined: Dec 2006
Posts: 4,647
aotearoa
rebel Offline OP
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rebel  Offline OP
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aotearoa
Originally Posted by AndyF
Unless you really like doing stuff the hard way you should just sell that manifold and buy a new one from Indy that is already drilled and set up for fuel rails. If you insist on doing it the hard way I can sell you a kit of bungs and fuel rails that you can have installed on your existing manifold. You'll need to find someone who can TIG weld aluminum.

I'll have to go the hard way Andy, this manifold is for a B engine & 2 months ago, ICH told me they were out of stock & was unknown when they would have stock. Whats the price on your bung & rail set?, tig welding is easy as well as getting any machining done, thats what friends are for right?

Re: EFI port injection on a tunnel ram. [Re: rebel] #2894134
02/28/21 05:19 PM
02/28/21 05:19 PM
Joined: Jan 2017
Posts: 288
Nevada
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merpar Offline
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Posts: 288
Nevada
Do what you want to do. That's what makes us hot rodders. A challenge is a good thing especially when it works to YOUR liking. The holes in your manifold will work just fine. Just get some Hilborn deflecting nozzles. If I could figure out how to post phots on here I would show you my setup. Its an Injectorater on a edelbrock victor intake. with nozzles in about the same location with Hilborn deflect nozzles. Works really good!

Re: EFI port injection on a tunnel ram. [Re: merpar] #2894268
03/01/21 04:04 AM
03/01/21 04:04 AM
Joined: Dec 2006
Posts: 4,647
aotearoa
rebel Offline OP
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Originally Posted by merpar
Do what you want to do.

What I want to do is upgrade this induction system & go deeper into the 8s on pumpgas.

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Re: EFI port injection on a tunnel ram. [Re: rebel] #2894277
03/01/21 07:05 AM
03/01/21 07:05 AM
Joined: May 2004
Posts: 12,383
Taxes & Virus's R-US, NY
Dragula Offline
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Dragula  Offline
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Joined: May 2004
Posts: 12,383
Taxes & Virus's R-US, NY
EFI does not increase HP, unless your tune is out to lunch or your carb is too small, which is probably not your issue.....Add a Sniper 4500...have fun.

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Last edited by Dragula; 03/01/21 07:07 AM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: EFI port injection on a tunnel ram. [Re: Dragula] #2894284
03/01/21 08:26 AM
03/01/21 08:26 AM
Joined: Jan 2003
Posts: 5,762
Hot Rod Ridge
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Hot Rod Ridge
I converted mine . Get the parts for the conversion from Racepartsolutions. Com

Screenshot_20201226-173340_Video Player.jpg
Re: EFI port injection on a tunnel ram. [Re: rebel] #2894327
03/01/21 11:04 AM
03/01/21 11:04 AM
Joined: Jan 2006
Posts: 117
Marengo, IL
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Marengo, IL
I sent mine off to hotrodsolutions.net. He was recommended and did a great job. Though, it looks like they upped the price since then. Ideal injector angle is less than 45 degrees to the airflow. Due to the plenum on my tunnel ram the injectors are at closer to 60 degrees. Though it would seem the faster the airspeed and the greater the vacuum the less it would matter. Closer to the valve seems to be the recommended spot even though higher up may make slightly more power. Keep in mind I’m relying totally on my own observations and those who know way more than I do. I can say so far it runs great.

[Linked Image]

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