FSJ Fuel Injection Tech

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Last post by Stuka « Tue Apr 16, 2013 6:37 pm

by Stuka » Tue Apr 16, 2013 6:37 pm

Topics that do not fall under this area as described will be moved or deleted. Which ever is more appropriate.

1: Topics or posts which are intended...

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Last post by Stuka
Tue Apr 16, 2013 6:37 pm

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List of LS swaps.

Last post by hutcho « Mon May 21, 2018 10:24 am
Replies: 21
by hutcho » Sat Nov 21, 2015 6:14 pm
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First post

So mostly posting this so I can find it from my phone easier later. This is most of the LS swaps and their owners from about 10 pages of build...

Last post

Sent from my SM-N950U using Tapatalk
21 Replies

15091 Views

Last post by hutcho
Mon May 21, 2018 10:24 am
Holley Sniper EFI Returnless Self-Tuning Fuel Injection Systems 550-511D

Last post by CU4WHLN « Thu Apr 02, 2020 8:00 pm
Replies: 1
by Twagoneer » Tue Mar 31, 2020 4:20 pm

First post

Has anyone installed one of these with the in tank pump?
If so, was it hard to install the fuel pump? Any issues or concerns.
Getting ready to buy...

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I just bought this set up.. Will be installing... in a few months most likely. It appears to me it should work. For my Gen 5 LT swap.
I sure hope...

1 Replies

38 Views

Last post by CU4WHLN
Thu Apr 02, 2020 8:00 pm
Oxygen sensor part number??

Last post by tedlovesjeeps71 « Thu Apr 02, 2020 7:10 am
Replies: 3
by tedlovesjeeps71 » Wed Apr 01, 2020 6:07 pm

First post

Ok, not sure what to look for. Trying to install the Hamilton fuel injection off Walter into my scrambler. Still an AMC 360. I noticed when I was...

Last post

My guess would be an o2 sensor from a 90's GM truck. He may even have it listed over on his site.
I looked all over both his site and Howell’s, no...

3 Replies

56 Views

Last post by tedlovesjeeps71
Thu Apr 02, 2020 7:10 am
FITech with HEI?

Last post by TeaBag « Sun Mar 29, 2020 8:49 am
Replies: 5
by hickchick67 » Mon Feb 24, 2020 9:51 pm

First post

First time FSJ owner. 1983 Chief with 401 from a 1976 Chief. My husband gave me a FITech EFI system as a gift. Now trying to install. Can you lock...

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I've been the FITECH timing control with a Jegs brand MSD dizzy for 2 years. It was not difficult to set up (there is plenty of guidance out there)...

5 Replies

188 Views

Last post by TeaBag
Sun Mar 29, 2020 8:49 am
Dakota digital VHX

Last post by sonoraed « Tue Mar 24, 2020 6:33 am
Replies: 2
by hutcho » Wed Feb 12, 2020 4:36 pm

First post

Anyone running these yet? Mine is a 79 but I'm sure it's the same or similar throughout all the cluster types in this line. I am doing some research...

Last post

I have the new DD analog instrument panel like phil said the panels are a hassle at least for me because they are so universal, i.e. have to be...

2 Replies

296 Views

Last post by sonoraed
Tue Mar 24, 2020 6:33 am
Issue with hesitation on cold start

Last post by Theodore « Sun Mar 15, 2020 1:08 pm
Replies: 33
by Theodore » Sat Aug 03, 2019 7:42 am
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First post

Am looking for some advice. After last weekend’s adventure replacing spark plugs & assorted EFI sensors (IAC, TPS, MAP), + we’ve now got a nice...

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Have seen a few articles that talk about similar pressure drops either being injectors leaking (checked & we are good there - no leaks), and failed...
33 Replies

3790 Views

Last post by Theodore
Sun Mar 15, 2020 1:08 pm
Lokar / Sniper bracket

Last post by ArchitectJS « Thu Mar 12, 2020 8:09 am
Replies: 1
by ArchitectJS » Sun Mar 08, 2020 3:27 pm

First post

Need help, two questions:

My jeep has is 258 i6, and the PO had done a half-assed nutter bypass previously. I don't have the benefit of seeing how...

Last post

Ok, so I think I figured this out;

1 Replies

131 Views

Last post by ArchitectJS
Thu Mar 12, 2020 8:09 am
in tank fuel pump

Last post by sonoraed « Tue Mar 10, 2020 6:30 am
Replies: 19
by ArchitectJS » Fri Jan 31, 2020 10:43 am

First post

see link--

any reason this wouldn't work, if I utilized it with my Holley Sniper upgrade?

I have to believe its going to work with the Cherokee...

Last post

Keep in mind it's not if you are running a 401 or LS, it's fuel volume, pressure and fuel slosh, these days all oem's run PWM in tank pumps, my guess...

19 Replies

637 Views

Last post by sonoraed
Tue Mar 10, 2020 6:30 am
SURGE TANKS

Last post by gopher_6_9 « Wed Feb 19, 2020 1:15 pm
Replies: 28
by DARREN LILLY » Sun Jun 02, 2019 5:02 am
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First post

Is the NUKE PERFORMANCE BILLET SURGE TANK, with triple internal pumps available in USA & if so is it suitable for the amc 360, this is available...

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Installed same or similar pump and surge tank on mine. Works great.
28 Replies

3163 Views

Last post by gopher_6_9
Wed Feb 19, 2020 1:15 pm
Sniper install - '88 GWag

Last post by acct21 « Thu Feb 13, 2020 11:32 am
Replies: 25
by Milktruck » Fri Jan 03, 2020 12:28 pm
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First post

Ho Ho Ho!

I made the decision right before Christmas that I need to go all in and fix the things that are bugging me about my GWag before I relegate...

Last post

You don't want to delete your PCV -- that's not emissions related. It's easy to re-plumb the PCV line into the 3/8 port on the front of the Sniper....
25 Replies

958 Views

Last post by acct21
Thu Feb 13, 2020 11:32 am
Holley Sniper Tip, Tricks, Pros, Cons, Advice

Last post by 1979bettywhite « Fri Jan 31, 2020 9:00 am
Replies: 10
by 1979bettywhite » Wed Oct 30, 2019 8:53 am

First post

After reading about Melford's issues with his Sniper system, I thought it might be helpful for those running a Sniper system on their rigs to post...

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Think I am running a 14.1 AFR at cruise, so similar to what Darren said. I think I also bumped up my idle to around the 14.0 mark as well. Still...

10 Replies

639 Views

Last post by 1979bettywhite
Fri Jan 31, 2020 9:00 am
Hamilton EFI on 1972 Wagoneer

Last post by Renodemona « Wed Jan 22, 2020 7:06 pm
Replies: 3
by Renodemona » Sun Jan 19, 2020 5:59 pm

First post

Finally got everything installed and all the random electrical handled. Runs like a top.

I highly recommend Hamilton, he was easy to work with...

Last post

Absolutely, now I'll have more brain space to worry about other things!

3 Replies

168 Views

Last post by Renodemona
Wed Jan 22, 2020 7:06 pm
Random Holley Sniper EFI Question

Last post by Fury5 « Sun Jan 19, 2020 6:58 pm
Replies: 3
by Fury5 » Sat Jan 11, 2020 8:22 pm

First post

I am fixing to install a Holley Sniper 2-barrel system on my 1990 GW. I will be using the stock 2-barrel manifold. Do folks recommend reusing the...

Last post

That's great news. When I took the freshly rebuilt carb off, I discovered that the mechanic who installed it had overtightened the nuts and cracked 3...

3 Replies

182 Views

Last post by Fury5
Sun Jan 19, 2020 6:58 pm
Fuel Sending Unit Interface Module

Last post by swconnelly22 « Sun Jan 12, 2020 10:50 am

by swconnelly22 » Sun Jan 12, 2020 10:50 am

91 GW with Holley Sniper and currently stock fuel tank with Holleys in line fuel pump. My goal is to have an in tank pump, a baffled tank, and more...

0 Replies

86 Views

Last post by swconnelly22
Sun Jan 12, 2020 10:50 am
Refurbished Sniper FI 4150 For My Cherokee

Last post by ghcoe « Fri Jan 10, 2020 8:47 pm
Replies: 6
by ghcoe » Mon Dec 30, 2019 11:34 am

First post

Well one of my Christmas gifts was a OK to purchase a Holley Sniper FI unit for my Jeep. I was able to talk my wife into it since I was able to pick...

Last post

Definitely following along. I had forgotten your dual tank setup, I think the surge tank is probably your best bet without dumping 2 in-tank pumps...

6 Replies

267 Views

Last post by ghcoe
Fri Jan 10, 2020 8:47 pm
Wiring and fuel lines TBI GM - idea + phots

Last post by Renodemona « Fri Jan 10, 2020 4:15 am
Replies: 1
by Atevres » Wed Dec 18, 2019 7:03 am

First post

I'm planning to install TBI GM, I have two questions if someone is kind to help me with photos:

1 - Which solution did you use for the wiring...

Last post

What I did:
1) 2 Hole Saw. Once I had all the wires in I used a rubber grommet thing and a small army of zip ties. Bonus was I was able to easily pas...

1 Replies

142 Views

Last post by Renodemona
Fri Jan 10, 2020 4:15 am
Howell EFI kit

Last post by Renodemona « Fri Jan 10, 2020 4:11 am
Replies: 4
by r_torres » Thu Dec 26, 2019 5:02 pm

First post

I would like to replace my Weber carburetor for a Howell EFI kit. Does anyone have any experience with this kit?
258/6i engine. Automatic

Sent...

Last post

FiTech also sells a 2 barrel kit for the 258/i6.

4 Replies

205 Views

Last post by Renodemona
Fri Jan 10, 2020 4:11 am
New member - strange rich condition

Last post by XakEp « Thu Jan 02, 2020 1:14 pm
Replies: 2
by XakEp » Mon Nov 04, 2019 9:44 pm

First post

Well, glad to be a new member here, I managed to get my hands on a rather modified 1980 CJ7 with an AMC 360 and what appears to be a DIY TBI setup....

Last post

I'm still around - sorry if it looked like I abandoned the thread! Had to move and working on the Jeep had to take a backseat.

I've been pulling...

2 Replies

476 Views

Last post by XakEp
Thu Jan 02, 2020 1:14 pm
Fitech 400 now Fuel supply infamous side mount PU sender float

Last post by badaboom « Tue Dec 24, 2019 8:10 am
Replies: 2
by badaboom » Wed Dec 18, 2019 11:50 am

First post

Well next a fitech 400
Need best way to supply fuel to system - Prefer in-tank fuel pump for the EFI.
My 1981 Jeep J10 uses the original fuel tank...

Last post

Heck maybe just go with external pump. top pump and create opening sounds like a can of worms.
almost would want make a removable panel in the bed to...

2 Replies

187 Views

Last post by badaboom
Tue Dec 24, 2019 8:10 am
which distributor for sniper

Last post by melford72 « Sat Nov 02, 2019 9:45 pm
Replies: 16
by DARREN LILLY » Wed Mar 06, 2019 12:47 am

First post

Hi 1st post thanks for adding me to the group. Got a 1980 chief that I want to convert to the holley sniper injection but there seems a few choices...

Last post

This should give you a good starting place:

The modern LS motors come in a variety of sizes/options/flavors and since seemingly everyone under...

16 Replies

2830 Views

Last post by melford72
Sat Nov 02, 2019 9:45 pm
Holley Sniper/HyperSpark CD vs MSD 6A

Last post by Mreuther12 « Wed Oct 30, 2019 6:21 pm
Replies: 20
by melford72 » Mon Sep 23, 2019 9:36 pm
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Been having some intermittent issues with my Sniper. Sometimes it will run flawlessly. Then other times it will start popping, misfiring and swinging...

Last post

Not to mention that makes three 1970's in SD

Yes! Charles was telling me that. Are you up in Enc? I lived up there for years.

We need to get the...
20 Replies

1771 Views

Last post by Mreuther12
Wed Oct 30, 2019 6:21 pm
Transfer case survival?

Last post by jpswapmohn « Thu Aug 22, 2019 3:09 pm
Replies: 2
by jpswapmohn » Wed Aug 21, 2019 6:18 pm

First post

I have a lot of time and a bit of coin in the NP242 in my wagoneer, behind a 4l60e and the LT1. I want to go to a L96 and 6l80 or 90 at some point in...

Last post

Hey, thanks Stuka. I didn’t know the 242 was used in any of the gm family. Good to know.

I won’t abuse it when the front axle is engaged. I am sure...

2 Replies

1315 Views

Last post by jpswapmohn
Thu Aug 22, 2019 3:09 pm
401 Sniper EFI AF/R

Last post by Jeepin87 « Fri Aug 16, 2019 4:10 pm
Replies: 8
by FSBOB » Fri Nov 30, 2018 1:01 pm

First post

Hi all,
I've recently rebuilt my 401 and have been trying to get my fuel injection dialed in better. I've been running the stock settings that came...

Last post

iac needs adjustment or isn't working properly if it stalls from park to drive

Nope, IAC is perfect (at least the numbers I'm seeing). I don't...

8 Replies

2672 Views

Last post by Jeepin87
Fri Aug 16, 2019 4:10 pm
Holley Sniper EFI on 401

Last post by KJ Ryu « Mon Aug 12, 2019 12:03 pm
Replies: 51
by KJ Ryu » Sat Jul 01, 2017 5:22 pm
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First post

Got the Sniper installed, today, sans coolant sensor. I can't get the damn plug out of the intake. Why the hell did Edelbrock use a plug with a 5/16...

Last post

This company includes a copy of the instructions with each linkage, as well as having it on their website. I had to update my handheld display but...
51 Replies

13412 Views

Last post by KJ Ryu
Mon Aug 12, 2019 12:03 pm
Has anyone fine tuned a fitech?

Last post by sonoraed « Sat Aug 10, 2019 6:57 am
Replies: 4
by ShagWagon » Mon Jun 17, 2019 2:25 pm

First post

I been running mine for about 10k miles. It runs great but I only get 7.5-9mpg and dont really understand how the best way to set up the parameters...

Last post

I'm in the middle of installing the Fitech Tripower in 58 Nomad with a 409, this forum and lots of reading has helped understand the unknown

4 Replies

1645 Views

Last post by sonoraed
Sat Aug 10, 2019 6:57 am

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