I believe they throw an inline ballast and lower the voltage at the coil.. I had like 9.63v a few weeks ago.. I thought the same thing..
After some research I believe 12v should going to the ignition module but not from...
Well I was timing my car and my Eqques 5863? went South.. SO i had to buy another timing light. Anyhoo's the timing is now at 36@ 2500 RPM
..I have a new miss now... this happened last night when my ignition module was failing..
So my new plan is
Change intake manifold gasket...
In my off time try to trouble shoot why my module didnt like my TFI COIL.. Then I would like to but the TFI stuff back on and then remove my headers change my plugs add the NEW NGKs already gapped at .044 which should be adequate for the TFI..
If i cant figure out why my TFI install didnt go well.. then I will still remove headers and exam ALl my plugs since i have a miss..
Then hopefully start it back
up ,get it running without a miss.. and then adjust the valves.
I am a little tempted to pitch the Duraspark for HEI but that is one ugly distributor. I may trade a virtually new Holly 770 for a DUI setup... My holley was only on the car for maybe 30 minutes running time.. Since it didnt fix the problem I took it back off..
Rob Zabawa
77 Gremlin 401
--- In
BaadAssGremlins@ yahoogroups. com, Terry Atkins <twa1950@... > wrote:
>
> Why would it be 9 volt? You have a 12 volt system.
> Terry
>
> --- On Wed, 8/19/09, z_man401 <z_man401@.. .> wrote:
>
>
> From: z_man401 <z_man401@.. .>
> Subject: [BaadAssGremlins] Re: 5/16 feeding 400hp
> To:
BaadAssGremlins@ yahoogroups. com> Date: Wednesday, August 19, 2009, 3:32 PM
>
>
>
>
>
>
> (i hope this doesnt post twice)
>
> I have tried a Holly 770 STreet Avenger and Edlebrock 800 EPS? No difference.. Still under load around 4000 RPM it just doesnt rev.
> It doesnt pop,bog,miss. . it just doesnt go. I have had several issues with fuel delivery before in my FSJ Cherokee and it doesnt seam the same.. It just seams like under load it flakes out above 4000 RPM. According to Crane Cams my RPM RAnge is 3100-5900 RPM.
> I have gotten the car up to 4400 RPM gradually even 5000 it doesnt seam to run out of gas even if i sustain the speed.. MY Cherokee would run outta gas above 65-70 MPH when the pump was
bad. My gremmy doesnt seam top have that problem.. Anyway if i can get it to start again. I will adjust the valves... If that doesnt work i am done..
> I will just drive it nicely for two more months then store it for 5 more years.
>
> MY ignition issue,,, my green wire that went to positive side of coil( yes there is also a green wire to negative side) has 12v with ignition on not running. I am thinking it should be like 9v instead..
> My car has a bunch of electrical Gremlins that are on the loose..
> Anyway I am going to look at my wiring diagram from my 78 Cherokee and look at my WD from my 77 and compare... I will be taking the TFI coil out and go back to what i had since i didnt have any luck with it....
>
> Thank ALot
>
> Rob Z
>
> --- In BaadAssGremlins@ yahoogroups. com, Patrick Dubois <patrick_dubois@ ...> wrote:
> >
> > Are those carbs vacuum
secondary or mechanical ?
> >
> >
> >
> > Does your timing go any higher than the 33-34 @ 2500? What is it @ 4000?
> >
> >
> >
> > Reading plugs is a bit more complex than just looking at the color. In order
> > for this to be efficient, you need new plugs, make a pass on the track, shut
> > it off (do not re-start) and read the plugs then. Idle time will jeopardize
> > the read. Don't do too many changes at once or you'll be chasing your tale
> > since you won't know what change impacted the car (positively or
> > negatively).
> >
> >
> >
> > Start with the line, it's in my opinion an easy fix + you'll end up having
> > to do it regardless. Make sure the in-tank pickup can supply the bigger line
> > too, otherwise the exercise if pointless.
> >
> >
> >
> > _____
> >
> > From: BaadAssGremlins@ yahoogroups. com
> > [mailto:BaadAssGrem lins@ yahoogroups. com] On Behalf Of z_man401
> > Sent: 18 août 2009 18:30
> > To: BaadAssGremlins@ yahoogroups. com
> > Subject: [BaadAssGremlins] 5/16 feeding 400hp
> >
> >
> >
> >
> >
> > I am having issues with my 401. Under load my car does not like to rev past
> > 4000 rpm. My timing is 34 or 33 degrees advanced at 2500 rpm,
> > I have tried both an Edelbrock 800 cfm and Holley 770 Avenger and no
> > difference. I have the Duraspark ignition.. I will be upgrading to TFI as we
> > speak.. I have a brand new Edelbrock RPM fuel pump(which made no
> > difference..
> >
> > I was talking to guys at the local speed shop shop and they said 5/16 line
> > is the
problem. I have heard 5 /16 will support 500 hp.
> >
> > anyway I know at most i might have 420 hp.
> >
> > My specs
> >
> > 401 bore .040
> > forged 10:5 to 1 pistons
> > edelbrock RPM heads/intake
> > Comp Cam 236-246 @ .050 520 int 538 ex
> > edelbrock shorty headers
> > Edelbrock RPM PUMP 5/16 in and 3/8 out
> >
> > I looked at one of my plugs (i dont feel like taking headers off yet)
> > and it shows perfect light brown color...
> >
> > Any suggestions?
> >
> > Rob
> >
>