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No fire ?????

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Mxximus66
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Location: Warrenton Va

No fire ?????

Post #1 by Mxximus66 » Wed Apr 29, 2020 6:52 pm

Alright , 1966 w/ 170 six , replaced ... Starter , solenoid , coil, distributor cap, rotor, points,condenser, plugs,wires....motor is cranking but no fire .... gotta be grounds right ??? That is all I can come up with at this point ... makin me crazy over here !! Thanks y’all !

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bubba22349
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Re: No fire ?????

Post #2 by bubba22349 » Wed Apr 29, 2020 7:42 pm

:hmmm: Wow did all those parts need to be replaced? Yes you should check all the wiring conections and the grounds for good conections. Check you ignistion Switch is in good condition and has power to it. If you have a test light or volt / ohm meter check you have power going to coil on distributor side with key in the on position should read 6 to 8 volts. Check you have power to solinod I thermal should read 12 volts when your cranking the engine (key in starting position) and then back to the coils Distribtor side also 12 volts. Check that you have power just behind the ingnistion switch in the (pink) wire it should read 12 volts in run position probe the wire with a pin about 6 to 8 inches up for power or at coil. Is this a manual trans or Auto trans? You could also run a jumper wire for a test from battery pos Direct to the the coil and see if it starts, don't leave it hooked up like this for very long or it will burn the points up. If it starts than your resister built into the (Pink) wire coming from the ignistion switch may be burned out needing to be replaced. Good luck :thumbup: :nod:
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

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Econoline
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Re: No fire ?????

Post #3 by Econoline » Wed May 06, 2020 1:45 pm

Is there fuel? Is there spark? Did this truck run before or is it new to you?
It ain't gonna fix itself

Mxximus66
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Re: No fire ?????

Post #4 by Mxximus66 » Wed May 06, 2020 9:10 pm

Thank you for all the info !! I will be back at it tomorrow. And yes it did run , it was running a couple weeks ago ! I can’t explain it ..... I was having issues with my battery so I put a new optima in , started it and it fired then shut off . After that nothing .... it continues to crank but will not catch and turn over . I’ve got fuel , that’s why I’ve been focusing on fire . I am not a mechanic but can usually figure this stuff out ... thanks !!!!

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bubba22349
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Re: No fire ?????

Post #5 by bubba22349 » Wed May 06, 2020 10:42 pm

Do you have a volt / ohm meter or test light? :nod:
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

Mxximus66
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Re: No fire ?????

Post #6 by Mxximus66 » Sat May 09, 2020 9:37 am

Yes , I have both . Fixin to head out there and attack it again . I found a nearly broken wire coming off the back of my ignition switch , gonna deal with that first .

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Econoline
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Re: No fire ?????

Post #7 by Econoline » Mon May 11, 2020 3:21 am

That sounds like a good start. The S terminal of the solenoid engages the switch the I terminal is engaged so long as the s terminal dictates. Start and intermittent. S and I. S makes the solenoid and I is a momentary link to the starter terminal or it's engagement. It doesn't matter which main terminal is connected to the battery or to the starter. I is Intermittent and S is Start and the solenoid body is the ground for it's coil.
It ain't gonna fix itself

Mxximus66
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Re: No fire ?????

Post #8 by Mxximus66 » Mon May 11, 2020 4:52 pm

It’s a compression issue now , which confuses me because it was running and all of a sudden it’s not and I’m getting low compression like 90 psi .... makes no sense to me .... didn’t want to have to take it to someone but I’m running out of ideas

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bubba22349
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Re: No fire ?????

Post #9 by bubba22349 » Mon May 11, 2020 5:25 pm

Does your 1966 Bronco 170 happen to have adjustable rocker arms and a solid lifter cam? If it does you could try setting the valve lash to see if that helps any. :thumbup: :nod:
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

Mxximus66
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Joined: Fri Apr 24, 2020 8:01 pm
Location: Warrenton Va

Re: No fire ?????

Post #10 by Mxximus66 » Mon May 11, 2020 7:26 pm

That’s a great question bro , I have no idea ....I’m just so confused about how I went from running good to this at the drop of a hat .... good spark , fuel , and now compression??? What the heck happened ??? I don’t get it .... I even did the mystery oil trick ... poured some down the spark plug holes let it sit for 48 hours , blew it all out , changed the oil and filter ... gained some compression but apparently not enough . Still no start ... banging my head on the wall dudes ... thanks !

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bubba22349
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Re: No fire ?????

Post #11 by bubba22349 » Mon May 11, 2020 9:04 pm

Can you state the compression numbers that you got? If you had fairly even compression of 90 on all cylinders it can run though it would be down on power. Might be time for a valve job, but do check out if there is some to tight of rocker arms of corse if yours isn't a solid lifter cam that won't be an issue with Hydrolic lifters. Also recheck your points setting. :nod:
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

Mxximus66
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Posts: 13
Joined: Fri Apr 24, 2020 8:01 pm
Location: Warrenton Va

Re: No fire ?????

Post #12 by Mxximus66 » Tue May 12, 2020 5:55 pm

Didn’t test across all cylinders , gonna do that tomorrow and I’ll post the results . The three I tested were in the 90 range , I’ll be doin it in the morning and I’ll put the numbers up . Thanks !!

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jamyers
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Re: No fire ?????

Post #13 by jamyers » Wed May 13, 2020 5:41 pm

Short of the timing chain actually breaking, not many mechanical reasons why it would run fine one day and not the next.

I'd start with the basics: Spark? Fuel? If those are both present, then I'd pull the valve cover and confirm valve operation, then check the valve lash (unless hydraulic lifters). If all of that checks out, then it's time to worry about compression / blown head gaskets, etc.
James - '62 Ranchero (200cid), '71 LeSabre (464cid)

The ONLY safety device we need is a 6" sharpened steel spike bolted to the center of the steering wheel of EVERY vehicle.
Emergency Rooms and Funeral Homes will be busy for a week or so, then I predict a dramatic drop in vehicle accidents.

Mxximus66
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Location: Warrenton Va

Re: No fire ?????

Post #14 by Mxximus66 » Sun May 17, 2020 1:12 pm

Finally got around to doing compression test across all six cylinders.... low as I was afraid ... right around 90psi on all six within a lb or so between them all .... ugh !!!

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bubba22349
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Re: No fire ?????

Post #15 by bubba22349 » Sun May 17, 2020 4:38 pm

A simple budget overhaul (ReRing, Bearings, Valve Job, Timing Chain Set, Oil Pump, etc.) could bring it back to very good condition again. Since you have even compression accross all the cylinders there's a very good chance it will be able to work and at a very minimal cost. Using a Re Ring kit that gives you a lot of the parts and flexibility to add other parts to it can make it very affordable too. See below link of a recent overhaul done on a small six at a very low cost. Another way is finding a good used engine, or though it's not as low cost, you could go all out with a complete rebuild with all the above plus new pistions, camshaft & liters and more. Best of Luck :nod:

Bones 92's Budget Rebuild
viewtopic.php?f=1&t=80834
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

bmbm40
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Re: No fire ?????

Post #16 by bmbm40 » Sun May 17, 2020 5:24 pm

At one point in my life I had a very tired 170 in my 66 Bronco that deserved retirement. Back then you could go to most wrecking yards and get a decent used 200 which I did. Easy swap just used the opportunity to replace the clutch and did a new timing belt on the 200.
You can still find 200 sixes in good condition but have to look longer. Mine came out of a late 70s sedan and I noticed a bit of performance boost. I would do it again.
66 Bronco-1970 250, NV3550, DSII, 4 turn ps, uncut, 1" bl, 2.5" sl, front disc, twin stick D 20, 30 x 9.50
NEXT- direct mount 2v, power brakes, rear LS, 3G, electric fan, electric upgrades, custom curved DSII, header, 31" tires

New guy? Get the Falcon Performance Handbook and Ford six high performance parts from https://vintageinlines.com

Mxximus66
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Location: Warrenton Va

Re: No fire ?????

Post #17 by Mxximus66 » Sun May 17, 2020 8:25 pm

Awesome , thanks for the tips and advice guys , I really appreciate it ! Will keep y’all posted on the progress !

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