1978 full size Bronco with a 1st gen 12v - Page 5

American Thunder · 11-02-2009, 09:58 PM

Original 1978 fuel tank is in perfect condition. I bored a hole in the top and installed a fuel cell bulkhead fitting and hose barb, for use with the return line. I'm running 3/8" return line, and next year, a 1/2" feed line.(to support the power upgrades) I also installed a new sending unit gasket and lock ring. The tank is ready to go back in the truck.

__________________
1978 Bronco - 1991 12V, Dynamic C6 Ford auto with billet torque converter, NP205 case, 3.50:1 lockers. 9" lift, 35" tires, 366 spring, pump mods. - Still under construction.

American Thunder · 11-04-2009, 09:57 AM

I worked on electrical stuff yesterday. I soldered up battery cables and such. I'm using the original starter solenoid for the grid heater, since it has no other purpose now other than a wiring block, so I might as well use it for something. I hit the key to see if the motor would crank, and the starter just made this weak little PING sound as it bumped against the flexplate. It was a brand new Napa starter, but it was defective, so they swapped it for another one, and now the motor cranks over nicely. I have to hook up the power steering and finish the fuel return line to the tank, then the motor will be ready for a quick test fire. Still no radiator yet, as the guy is on vacation, but that should be ready by next week, along with the transmission. I still have a million small things to finish, too, but I can see light at the end of the tunnel..

__________________
1978 Bronco - 1991 12V, Dynamic C6 Ford auto with billet torque converter, NP205 case, 3.50:1 lockers. 9" lift, 35" tires, 366 spring, pump mods. - Still under construction.

symonds86 · 11-04-2009, 01:50 PM

might just be me but personally i have no luck with napa starters and alts lasting, looking great though

__________________
96 f350 idi, 4wd, zf5, body lift, 35 inch tires, 5 inch stacks, 12valve conversion underway

Last edited by symonds86 : 11-04-2009 at 07:15 PM.

crazyredneckanyhow · 11-04-2009, 09:39 PM

Quote:

Originally Posted by American Thunder

I worked on electrical stuff yesterday. I soldered up battery cables and such. I'm using the original starter solenoid for the grid heater, since it has no other purpose now other than a wiring block, so I might as well use it for something. I hit the key to see if the motor would crank, and the starter just made this weak little PING sound as it bumped against the flexplate. It was a brand new Napa starter, but it was defective, so they swapped it for another one, and now the motor cranks over nicely. I have to hook up the power steering and finish the fuel return line to the tank, then the motor will be ready for a quick test fire. Still no radiator yet, as the guy is on vacation, but that should be ready by next week, along with the transmission. I still have a million small things to finish, too, but I can see light at the end of the tunnel..

Care to go into a little more detail on the electrical? How did you get it to start off the ignition switch without the factory solinoid?
Also how did you wire the grid up to the factory solinoid?

American Thunder · 11-05-2009, 02:24 AM

Quote:

Originally Posted by crazyredneckanyhow

Care to go into a little more detail on the electrical? How did you get it to start off the ignition switch without the factory solinoid?
Also how did you wire the grid up to the factory solinoid?

The adapter plate from destroked uses a 6.0L powerstroke starter, which has a solenoid built-in. I ran a heavy cable down to the large terminal on the starter solenoid, and another light wire from the factory ignition wire down to the starter solenoid. Then I ran a short cable from the positive battery terminal to the original '78 solenoid, which is still mounted on the inner fender, near the battery. That wire supplies power to all the truck's electrical stuff, because the original wires(and 1 fusible link) are connected to that old solenoid. I bolted both grid heater hot wires to the other terminal on the original solenoid, where the starter cable used to connect. I figured if the solenoid can handle cranking over a 400 motor, it can handle the amperage draw of the grid heater. All I have to do now is mount a push-button momentary switch on the left side of my dashboard, which will send power to the "s" terminal on the original solenoid, thereby activating the grid heater when I want it.

6.0L powerstroke starter wiring.

Cables have ends soldered on, with heat shrink sealed with silicone. Visible is the original starter solenoid, now used as a wiring block and grid heater relay. Also visible is the new Ford voltage regulator, which will control the Dodge alternator on the Cummins.

__________________
1978 Bronco - 1991 12V, Dynamic C6 Ford auto with billet torque converter, NP205 case, 3.50:1 lockers. 9" lift, 35" tires, 366 spring, pump mods. - Still under construction.

Last edited by American Thunder : 11-05-2009 at 02:33 AM.

4wydnr · 11-05-2009, 11:38 AM

Looks like its coming along quite nicely.

__________________
2001 F-250 7.3 with some add ons
1977 F-250 12v conversion in progress

symonds86 · 11-05-2009, 06:33 PM

looks good i ran my glow plugs off, and now my grid heater off a starter soleniod and it works fine

__________________
96 f350 idi, 4wd, zf5, body lift, 35 inch tires, 5 inch stacks, 12valve conversion underway

American Thunder · 11-05-2009, 07:23 PM

It's ALIVE! ha

I fired it up for the first time today, it runs nice. I made a vid clip, but I'm having difficulties with my pos computer. But I'll get it uploaded at some point.
When I revved it, the open driver's door lifted 2 or 3 inches from the torque.. Neat!

__________________
1978 Bronco - 1991 12V, Dynamic C6 Ford auto with billet torque converter, NP205 case, 3.50:1 lockers. 9" lift, 35" tires, 366 spring, pump mods. - Still under construction.

mot krig · 11-05-2009, 08:06 PM

Nice build! I'm selling off a bunch of my toys to hopefully put a 12v in an old chevy.

__________________
1998.5, 5spd manual, 2" level, air bags, 35" tires, 4" straight pipe, DSS, ISSPRO gauges (Fuel, Boost, Pyro), AD150, Van Aken 60hp Box, K&N Filter, BHAF on the way!

ChaseTruck754 · 11-05-2009, 08:09 PM

Congrats! I can't WAIT for that 1st time i fire it up feeling!

__________________
My cummins swap - 1974 Ford Crew cab http://www.cumminsforum.com/forum/cu...-crew-cab.html

American Thunder · 11-06-2009, 11:42 AM

Thanks!

Bb78Cumminsfirstrun.flv video by americanthunder68 - Photobucket

__________________
1978 Bronco - 1991 12V, Dynamic C6 Ford auto with billet torque converter, NP205 case, 3.50:1 lockers. 9" lift, 35" tires, 366 spring, pump mods. - Still under construction.

ChaseTruck754 · 11-06-2009, 02:28 PM

Oh man - I was smiling ear to ear while watching that and it's not even my truck!

I just kept thinking to myself "soon - I can do that soon..."

__________________
My cummins swap - 1974 Ford Crew cab http://www.cumminsforum.com/forum/cu...-crew-cab.html

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11-02-2009, 09:58 PM	#49 (permalink)
American Thunder Cummins Fanatic Join Date: Jul 2009 Location: Upstate New York Posts: 175 Thanks: 5 Thanked 7 Times in 7 Posts American Thunder's Truck Pics	Original 1978 fuel tank is in perfect condition. I bored a hole in the top and installed a fuel cell bulkhead fitting and hose barb, for use with the return line. I'm running 3/8" return line, and next year, a 1/2" feed line.(to support the power upgrades) I also installed a new sending unit gasket and lock ring. The tank is ready to go back in the truck. __________________ 1978 Bronco - 1991 12V, Dynamic C6 Ford auto with billet torque converter, NP205 case, 3.50:1 lockers. 9" lift, 35" tires, 366 spring, pump mods. - Still under construction.

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11-04-2009, 09:57 AM	#50 (permalink)
American Thunder Cummins Fanatic Join Date: Jul 2009 Location: Upstate New York Posts: 175 Thanks: 5 Thanked 7 Times in 7 Posts American Thunder's Truck Pics	I worked on electrical stuff yesterday. I soldered up battery cables and such. I'm using the original starter solenoid for the grid heater, since it has no other purpose now other than a wiring block, so I might as well use it for something. I hit the key to see if the motor would crank, and the starter just made this weak little PING sound as it bumped against the flexplate. It was a brand new Napa starter, but it was defective, so they swapped it for another one, and now the motor cranks over nicely. I have to hook up the power steering and finish the fuel return line to the tank, then the motor will be ready for a quick test fire. Still no radiator yet, as the guy is on vacation, but that should be ready by next week, along with the transmission. I still have a million small things to finish, too, but I can see light at the end of the tunnel.. __________________ 1978 Bronco - 1991 12V, Dynamic C6 Ford auto with billet torque converter, NP205 case, 3.50:1 lockers. 9" lift, 35" tires, 366 spring, pump mods. - Still under construction.

11-04-2009, 01:50 PM	#51 (permalink)
symonds86 Cummins Fan Join Date: Sep 2009 Location: Earlville NY Posts: 87 Thanks: 3 Thanked 1 Time in 1 Post symonds86's Truck Pics	might just be me but personally i have no luck with napa starters and alts lasting, looking great though __________________ 96 f350 idi, 4wd, zf5, body lift, 35 inch tires, 5 inch stacks, 12valve conversion underway Last edited by symonds86 : 11-04-2009 at 07:15 PM.

11-05-2009, 11:38 AM	#54 (permalink)
4wydnr Cummins Fan Join Date: Dec 2008 Posts: 96 Thanks: 0 Thanked 1 Time in 1 Post 4wydnr's Truck Pics	Looks like its coming along quite nicely. __________________ 2001 F-250 7.3 with some add ons 1977 F-250 12v conversion in progress

11-05-2009, 06:33 PM	#55 (permalink)
symonds86 Cummins Fan Join Date: Sep 2009 Location: Earlville NY Posts: 87 Thanks: 3 Thanked 1 Time in 1 Post symonds86's Truck Pics	looks good i ran my glow plugs off, and now my grid heater off a starter soleniod and it works fine __________________ 96 f350 idi, 4wd, zf5, body lift, 35 inch tires, 5 inch stacks, 12valve conversion underway

11-05-2009, 07:23 PM	#56 (permalink)
American Thunder Cummins Fanatic Join Date: Jul 2009 Location: Upstate New York Posts: 175 Thanks: 5 Thanked 7 Times in 7 Posts American Thunder's Truck Pics	It's ALIVE! ha I fired it up for the first time today, it runs nice. I made a vid clip, but I'm having difficulties with my pos computer. But I'll get it uploaded at some point. When I revved it, the open driver's door lifted 2 or 3 inches from the torque.. Neat! __________________ 1978 Bronco - 1991 12V, Dynamic C6 Ford auto with billet torque converter, NP205 case, 3.50:1 lockers. 9" lift, 35" tires, 366 spring, pump mods. - Still under construction.

11-05-2009, 08:06 PM	#57 (permalink)
mot krig Cummins Fanatic Join Date: Dec 2007 Posts: 148 Thanks: 0 Thanked 0 Times in 0 Posts mot krig's Truck Pics	Nice build! I'm selling off a bunch of my toys to hopefully put a 12v in an old chevy. __________________ 1998.5, 5spd manual, 2" level, air bags, 35" tires, 4" straight pipe, DSS, ISSPRO gauges (Fuel, Boost, Pyro), AD150, Van Aken 60hp Box, K&N Filter, BHAF on the way!

11-05-2009, 08:09 PM	#58 (permalink)
ChaseTruck754 Diesel Freak Join Date: Aug 2007 Location: Costa Mesa, CA Posts: 847 Thanks: 0 Thanked 9 Times in 9 Posts ChaseTruck754's Truck Pics	Congrats! I can't WAIT for that 1st time i fire it up feeling! __________________ My cummins swap - 1974 Ford Crew cab http://www.cumminsforum.com/forum/cu...-crew-cab.html

11-06-2009, 11:42 AM	#59 (permalink)
American Thunder Cummins Fanatic Join Date: Jul 2009 Location: Upstate New York Posts: 175 Thanks: 5 Thanked 7 Times in 7 Posts American Thunder's Truck Pics	Thanks! Bb78Cumminsfirstrun.flv video by americanthunder68 - Photobucket __________________ 1978 Bronco - 1991 12V, Dynamic C6 Ford auto with billet torque converter, NP205 case, 3.50:1 lockers. 9" lift, 35" tires, 366 spring, pump mods. - Still under construction.

11-06-2009, 02:28 PM	#60 (permalink)
ChaseTruck754 Diesel Freak Join Date: Aug 2007 Location: Costa Mesa, CA Posts: 847 Thanks: 0 Thanked 9 Times in 9 Posts ChaseTruck754's Truck Pics	Oh man - I was smiling ear to ear while watching that and it's not even my truck! I just kept thinking to myself "soon - I can do that soon..." __________________ My cummins swap - 1974 Ford Crew cab http://www.cumminsforum.com/forum/cu...-crew-cab.html