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68' grinding noise

68 bronco grinding flexplate starter torque converter

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#1 thatbroncokid

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Posted 03 August 2017 - 11:37 AM

Just finished restoring the 1970 bronco, so now I have some time to start working on my 68'. Its got a 351w out of a 74 galaxy, and I think its a c4 automatic. (lol definitely an auto, just don't know what kind). After getting a new starter out of an 82' f150 since mine was shot, I started it up for the first time in probably 6 years. The sound that followed from the starter/flexplate/torque converter, was absolutely awful. I've made a youtube video showing exactly what it sounds like and hopefully somebody knows what the hell is going on with this thing, because I'm at a complete loss. I know its not the starter not disengaging, because I bridged the ignition wire to the other side of the solenoid so it stayed on after the motor was started, and it was a totally different noise. The other noise didn't go away when I did this, it was just a compound noise of grinding from different parts of the truck.

 

Here is the link for the video:

 

 

Thanks!

 

 



#2 thatbroncokid

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Posted 03 August 2017 - 12:17 PM

http://imgur.com/a/VuM6A 

 
heres some pics of the flex plate and starter


#3 thatbroncokid

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Posted 03 August 2017 - 12:20 PM

http://imgur.com/ARycSQx



#4 Bully Bob

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Posted 03 August 2017 - 01:02 PM

OUCH...!!

Those shiners on the flexplate gear are a clue.

I know there's several starters & it has to be the right one..., along with the flexplates number of teeth,

and, I think the bellhousing

There's auto starters & stick-shift starters. Some have longer noses.

 

You'll likely have to identify that trannie, then talk to  www.Advancedadaptors.com  to find out what's 

needed to make these units happy hooked together.


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