Cherokee AMC 360 Sniper EFI install

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babywag
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Re: Cherokee AMC 360 Sniper EFI install

Postby babywag » Thu Feb 01, 2018 12:02 pm

dodgerammit wrote:
az chip wrote:Yeah. You have me confused now. Jut read the instructions. LOL.


Reading is what confuses me..... :mrgreen: How are you going to do yours?



If you're doing timing control, the distributor pickup wires are what is utilized.
The ECU would have inputs for them, and an output wire for the coil.

If utilizing timing control it is VERY important to follow their instructions to sync the timing how they say to set it up!
Failure to do this could result in engine damage.

The Duraspark uses the exact same style pickup as an MSD distributor, so whatever their instructions say for wiring it up follow the MSD diagram.

Any EFI system needs to be setup & tuned properly, regardless of what you read on web.
There is no such thing as a self tuning system. All EFI systems learn/adjust, but the base setup/tune needs to be correct.
Many folks that have problems initially are due to not following instructions/setup procedures.
Be it GM TBI/FiTech/MSD/Sniper, any of them need it done.

Bill Hamiltion has a very good write-up on here or ifsja, about setting up the Duraspark for EFI.
-Tony
'88 GW (aka Babywag) '90 GW (aka JunkBucket) both fuel injected.

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az chip
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Re: Cherokee AMC 360 Sniper EFI install

Postby az chip » Thu Feb 01, 2018 1:00 pm

dodgerammit wrote:
az chip wrote:Yeah. You have me confused now. Jut read the instructions. LOL.


Reading is what confuses me..... :mrgreen: How are you going to do yours?


Per the instructions. You have some good questions. I would say to go to the Holley forums to ask them. But the moderator in the Sniper forum there is kinda brutal. He will just tell you to RTFM. I will say go there and read through the threads. That has answered most of mine. The manuals are sometimes not intuitive. The information is there, you just have to link it yourself sometimes.
'81 Cherokee Chief 81 WT Chief/MSD 6/ Rusty 4" Spring lift/ Bulltear oil adapter/K&P Engineering Oil Filter/ NP 208/ Serehill Light Harness/ H4 Headlights/ Evil Twin Fab Luggage rack and sliders/ Ross mirror mounts.

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dodgerammit
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Location: Middle TN

Re: Cherokee AMC 360 Sniper EFI install

Postby dodgerammit » Thu Feb 01, 2018 11:58 pm

az chip wrote:
dodgerammit wrote:
az chip wrote:Yeah. You have me confused now. Jut read the instructions. LOL.


Reading is what confuses me..... :mrgreen: How are you going to do yours?


Per the instructions. You have some good questions. I would say to go to the Holley forums to ask them. But the moderator in the Sniper forum there is kinda brutal. He will just tell you to RTFM. I will say go there and read through the threads. That has answered most of mine. The manuals are sometimes not intuitive. The information is there, you just have to link it yourself sometimes.



Yeah, I've visited. His favorite words are RTFM. :banghead: I have RTFM and that is why I am asking for clarity. :D

From what I gather (and this is also what I've found on GM based TBI) is I can leave the MSD streetfire, do the yellow wire to coil and not have controlled timing, or lose the streetfire, lock the dizzy and let the Sniper do it all.

At least that seems correct to my thinking.
84 Grand Waggy-Radio Flyer (Garnet Red with Honey interior) AMC 360/727/229 TFI conversion, MSD streetfire ignition, D44/AMC20 :fsj:

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dodgerammit
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Location: Middle TN

Re: Cherokee AMC 360 Sniper EFI install

Postby dodgerammit » Fri Feb 02, 2018 12:00 am

babywag wrote:
dodgerammit wrote:
az chip wrote:Yeah. You have me confused now. Jut read the instructions. LOL.


Reading is what confuses me..... :mrgreen: How are you going to do yours?



If you're doing timing control, the distributor pickup wires are what is utilized.
The ECU would have inputs for them, and an output wire for the coil.

If utilizing timing control it is VERY important to follow their instructions to sync the timing how they say to set it up!
Failure to do this could result in engine damage.

The Duraspark uses the exact same style pickup as an MSD distributor, so whatever their instructions say for wiring it up follow the MSD diagram.

Any EFI system needs to be setup & tuned properly, regardless of what you read on web.
There is no such thing as a self tuning system. All EFI systems learn/adjust, but the base setup/tune needs to be correct.
Many folks that have problems initially are due to not following instructions/setup procedures.
Be it GM TBI/FiTech/MSD/Sniper, any of them need it done.

Bill Hamiltion has a very good write-up on here or ifsja, about setting up the Duraspark for EFI.



Yeah, I've already read a bunch on GM based setups. I would basically lock my dizzy and let the computer do it's thing either way.
84 Grand Waggy-Radio Flyer (Garnet Red with Honey interior) AMC 360/727/229 TFI conversion, MSD streetfire ignition, D44/AMC20 :fsj:

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az chip
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Re: Cherokee AMC 360 Sniper EFI install

Postby az chip » Fri Feb 02, 2018 12:30 am

dodgerammit wrote:
az chip wrote:
dodgerammit wrote:
Reading is what confuses me..... :mrgreen: How are you going to do yours?


Per the instructions. You have some good questions. I would say to go to the Holley forums to ask them. But the moderator in the Sniper forum there is kinda brutal. He will just tell you to RTFM. I will say go there and read through the threads. That has answered most of mine. The manuals are sometimes not intuitive. The information is there, you just have to link it yourself sometimes.



Yeah, I've visited. His favorite words are RTFM. :banghead: I have RTFM and that is why I am asking for clarity. :D

From what I gather (and this is also what I've found on GM based TBI) is I can leave the MSD streetfire, do the yellow wire to coil and not have controlled timing, or lose the streetfire, lock the dizzy and let the Sniper do it all.

At least that seems correct to my thinking.


From what I have read the yellow wire does not go to the coil when using any CD ignition. There are two distributors that work with the Sniper. The MSD and the Holley. Our Duraspark is not one of them.

Fuel only, no timing control page 24. No yellow wire used with MSD or CD ignition. From what I can see that yellow wire is not used in any CD ignition fuel only or Sniper controlled ignition.
'81 Cherokee Chief 81 WT Chief/MSD 6/ Rusty 4" Spring lift/ Bulltear oil adapter/K&P Engineering Oil Filter/ NP 208/ Serehill Light Harness/ H4 Headlights/ Evil Twin Fab Luggage rack and sliders/ Ross mirror mounts.

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babywag
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Re: Cherokee AMC 360 Sniper EFI install

Postby babywag » Fri Feb 02, 2018 7:11 am

Curious why an MSD would work and a Duraspark would not? They use the exact same style pickup.
576DD7C3-1247-4A64-822E-70A1BCF2D0E5.png

The MSD 8519 is just a pretty/fancier Duraspark.

A Duraspark doesn’t have a fancy adjustable rotor available like the MSD, but it isn’t hard to make the stator wheel adjustable to accomplish the same thing.
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-Tony
'88 GW (aka Babywag) '90 GW (aka JunkBucket) both fuel injected.

ShagWagon
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Re: Cherokee AMC 360 Sniper EFI install

Postby ShagWagon » Fri Feb 02, 2018 10:36 am

Msd plug and play to the harness. Duraspark you have to splice and solder the right wires iirc or buy an adapter.
87 Grand Wagoneer Rebuilt 360 by S&J, Fitech GO EFI 600, Fitech FCC, Skyjacker Hydro 4" lift, BFG AT KO2 30", Dynamax Muffler, MSD distributor, MSD 6al box, Blaster2 coil, ACCEL 8mm wires, .045 gap, Edlebrock perf 4bbl intake, Elgin perf cam, Oil tube mod, Roller rockers, chrome molly lifters, HD alum radiator, Powermaster 150/100 alt, Aluminum HD water pump, Serhills tailgate harness, Cowl screen mod, Evil Twin grab handles, Rstep's custom AMC door lock knobs, all electrical works.

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babywag
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Re: Cherokee AMC 360 Sniper EFI install

Postby babywag » Fri Feb 02, 2018 10:51 am

ShagWagon wrote:Msd plug and play to the harness. Duraspark you have to splice and solder the right wires iirc or buy an adapter.


lol...so buy the MSD kit PN# 8824 ~$8, or of course you can pickup an MSD 8519 for $300+

I'm a cheapass DIY kinda guy though. :P
-Tony
'88 GW (aka Babywag) '90 GW (aka JunkBucket) both fuel injected.

ShagWagon
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Re: Cherokee AMC 360 Sniper EFI install

Postby ShagWagon » Fri Feb 02, 2018 10:12 pm

I did it both ways. I soldered it to my OEM one for about two months or so and skimped on the adapter. Then I decided to go total MSD for compatibility and upgraded my distributor as well. Was a lot to learn. I owe it all to the help I got here and other forum.
87 Grand Wagoneer Rebuilt 360 by S&J, Fitech GO EFI 600, Fitech FCC, Skyjacker Hydro 4" lift, BFG AT KO2 30", Dynamax Muffler, MSD distributor, MSD 6al box, Blaster2 coil, ACCEL 8mm wires, .045 gap, Edlebrock perf 4bbl intake, Elgin perf cam, Oil tube mod, Roller rockers, chrome molly lifters, HD alum radiator, Powermaster 150/100 alt, Aluminum HD water pump, Serhills tailgate harness, Cowl screen mod, Evil Twin grab handles, Rstep's custom AMC door lock knobs, all electrical works.

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az chip
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Re: Cherokee AMC 360 Sniper EFI install

Postby az chip » Sun Feb 11, 2018 9:52 pm

Got what my wife calls “the lid” back on. Kinda a pain. Lol. ImageImage


Sent from my iPhone using Tapatalk
'81 Cherokee Chief 81 WT Chief/MSD 6/ Rusty 4" Spring lift/ Bulltear oil adapter/K&P Engineering Oil Filter/ NP 208/ Serehill Light Harness/ H4 Headlights/ Evil Twin Fab Luggage rack and sliders/ Ross mirror mounts.

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jaber
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Re: Cherokee AMC 360 Sniper EFI install

Postby jaber » Mon Feb 12, 2018 5:27 pm

Oooo purdy.....
Jeff

'51 Willys p/u
'51 Willys Parkway Conversion
'74 CJ5
'75 J-20 Wrecker
'75 J-20 p/u
'77 J-10 p/u
'79 Cherokee
'88 Grand Wagoneer
http://s252.photobucket.com/albums/hh14/jeffaber/


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