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Holley sniper efi

Moderator: Mod Squad

Wayne clark
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Posts: 6
Joined: Wed Jan 15, 2020 8:45 am

Holley sniper efi

Post #1 by Wayne clark » Thu Mar 26, 2020 11:15 am

In the process of upgrading to holley sniper 2300 efi on my 67 very with a 200 6. Have about finished everything but not quite because of rain and I have no shop so its work when it's not raining. Have upgraded the ignition to duraspark2 and msd 6al and new timing chain that was found when I replaced the points. Anyway has any one put one of these on a 200 yet and if so what issues did you encounter? I purchased a complete kit so most every thing came with it so it's been pretty much follow instructions but still have to get the new fuel pump on and hopefully it runs. Thanks for any info . Hope everyone comes out of these crazy times safe.

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rocklord
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Posts: 1357
Joined: Sat Jul 21, 2007 11:25 pm
Location: Hurricane, WV

Re: Holley sniper efi

Post #2 by rocklord » Thu Mar 26, 2020 12:31 pm

There's a thread in the Megasquirt section discussing various EFI systems.
One of the posts is from someone who installed the Holley 2300 onto his 200.
Here is the thread:
viewtopic.php?f=51&t=79611

Hope this helps.
Dan

Currently Own
1965 Mustang, 200CID, 3Spd
1964 Corvair Coupe, 164CID, 140HP, 4Spd
1961 Corvair Lakewood wagon, 145CID, 80HP, 2Spd Powerglide Auto.
2020 BMW X3 M, 3.0L Dual Turbo, 473HP, 8-Spd Auto. 0-60mph 4.1sec; 174mph Top Speed.

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chad
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Joined: Sat Oct 24, 2009 9:51 am
Location: Lawrence Swamp, S. Amherst, MA

Holley sniper efi

Post #3 by chad » Thu Mar 26, 2020 3:21 pm

what's Seth doin w/econoline on this forum (or dd he switch to the other for that as well)?
May not B the sniper, but am bettin it is.
He will take PMs & would like to compair notes I bet (esp if U use the BBD carb):
Econoline
(use the capitol "E")
use big blue boxes above to search out PM for "a member'.
"Big thing is only make one change at a time. Change 2 or more things at a time it becomes difficult to figure which change helped or hurt" turbo2256b » 1/16/2017
Chad - '70 LUEB on '77 frame (i.e. PS, D44, trapezoidal BB 9", 4.11), '69 250ci, NV 3550 & DSII, "T" D20/PTO, 2" SL, 1" BL, 4 discs, 33"X15", tool boxes, etc. Seeking: Hydraulic gear motor for Koenig pto. chrlsful@aol.com (413) 259-1749

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65coupei6
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Location: San Francisco

Re: Holley sniper efi

Post #4 by 65coupei6 » Sun Mar 29, 2020 10:38 am

I did the Fitech. But, I am guessing the install is the same. Install was pretty easy. The only challenge was drilling a hole for the o2 sensor in the exhaust.

I swapped over to a Lokar throttle cable instead of trying to source items at a junk yard. I also swapped the tank to a Aeromotive Stealth with internal pump.

I am not sure if your Holley has a wire that goes to your tach output or Duraspark for signal. But, I cut mine short and used a shielded cable for the connection. It seems most problems come from that signal wire.
...Marco

'65 Mustang Inline 200. VI (CI) Aluminum Head, Holley 350, Schneider 264/274 cam,
Headers, DSII, MSD 6A, and a whole lotta other stuff!

Build That Six With Parts From VintageInlines.com

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Econoline
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Joined: Tue Nov 12, 2013 8:37 pm
Location: Anacortes, WA

Re: Holley sniper efi

Post #5 by Econoline » Sun Mar 29, 2020 1:32 pm

I'm glad to see another member taking the plunge. You can be our guinea pig :wink: :) Please let us know how it goes.

I'm still in the preparing stages for converting myself. I have added a 3/8" fuel line, I'll use the current 5/16" line as the return. I've converted a spare fuel sender to an in tank fuel pump. I welded in an O2 bung on the head pipe. I've made an adapter for the throttle body. I've got a new fuse/relay box for the installation. Right now I need to pick up a 100+" lokar throttle cable and install the new gas pedal and linkage. Nothing is easy in these old vans. I'm in home repair/carpenter mode right now though so it's going to be a while.
It ain't gonna fix itself

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chad
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Joined: Sat Oct 24, 2009 9:51 am
Location: Lawrence Swamp, S. Amherst, MA

Re: Holley sniper efi

Post #6 by chad » Sun Mar 29, 2020 2:40 pm

Econoline wrote: I'm in home repair/carpenter mode right now though so it's going to be a while.

Sounds only fair, eh?
"Do U, then I do me, then I do U..." House, econo, house, econo...
Meanwhile her job is pretty steady (shop, cook, clean, laundry, etc, etc).
Sounds like MY house/agreements !
:nod:
:thumbup:
"Big thing is only make one change at a time. Change 2 or more things at a time it becomes difficult to figure which change helped or hurt" turbo2256b » 1/16/2017
Chad - '70 LUEB on '77 frame (i.e. PS, D44, trapezoidal BB 9", 4.11), '69 250ci, NV 3550 & DSII, "T" D20/PTO, 2" SL, 1" BL, 4 discs, 33"X15", tool boxes, etc. Seeking: Hydraulic gear motor for Koenig pto. chrlsful@aol.com (413) 259-1749

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