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PostPosted: Thu May 22, 2014 9:07 am 
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Joined: Mon Feb 20, 2006 7:02 pm
Posts: 33
Location: Central Arkansas
Hey guys...it's been a while...
My daily commuter Turbo Sprint blew out the #1 spark plug about 3 months ago. I reluctantly let a repair shop do the repair job, since I was broke down a long way from home. They installed a spark plug hole repair insert. It is now loose in the head.

I'm thinking it's time for a new head. Any ideas? Where can I find a head ready to bolt on?

Thanks!


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PostPosted: Thu May 22, 2014 4:42 pm 
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Joined: Wed Nov 08, 2006 8:40 am
Posts: 873
Location: End of days ranch Bouse az
let me know if you want to sell your old one

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it doesent have to be surrounded by water to be a island and dont forget it's a 3cyl Blow,Suck,Bang


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PostPosted: Fri May 23, 2014 9:30 am 
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Joined: Tue Feb 13, 2007 10:28 pm
Posts: 1170
Location: So Cal, USA
What's the problem?

As long as you can firmly tighten the plug you should be good,
sometimes the Heli-Coil Thread repair insert will move when you
swap out the plug.


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PostPosted: Fri May 23, 2014 10:05 am 
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Joined: Mon Feb 20, 2006 7:02 pm
Posts: 33
Location: Central Arkansas
I can wiggle the spark plug and see the insert also wiggle inside the head. I've even tried putting my spark plug socket on the spark plug and with firm pressure pushing in, trying to screw the insert back inside the head. I had no luck, it just spins and spins.


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PostPosted: Fri May 23, 2014 3:26 pm 
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Joined: Tue Feb 13, 2007 10:28 pm
Posts: 1170
Location: So Cal, USA
Bummer, sounds like the repair was not done right.

You may have to remove the head for a proper repair at the
machine shop. I would consult a local machine shop first
to see if they can save it.
These heads are getting harder to find.

If you go to the trouble of pulling the head, you may
as well have it rebuilt if the plug hole is salvageable.

I've seen some Turbo heads for sale on the internet,
get busy searching and I bet you'll find one if you're
persistent, though not sure if you need to condemn
your head yet.


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PostPosted: Fri May 23, 2014 3:45 pm 
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Joined: Mon Feb 20, 2006 7:02 pm
Posts: 33
Location: Central Arkansas
Yeah, I've been reading...I believe I need to try to salvage this head. The real trick appears to be finding a competent shop to do this kind of repair on an aluminum head. Apparently it's tricky business to get a good weld using a TIG welder. The problem is matching the welder filling material with the same alloy the head is made of. But other than that, it's basically just welding in an ALUMINUM (not steel) insert, then grinding the weld to a smooth finish.
I would be willing to even ship this head to a shop that specializes in doing this. I just want the job done right once and for all.


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PostPosted: Fri May 23, 2014 4:48 pm 
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Joined: Tue Oct 19, 2010 9:16 am
Posts: 412
Location: sidney, nebraska
I have seen a shop weld the hole shut then drill and tap new threads and seat. The bad thing is I don't remember where the shop was. I have a guy locally but he's busier than a well digger in a drought.

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