the problem with standard inserts/helicoil is the spark plug location changes slightly and detonation can be caused if any of the insert is in the chamber.
The problem with a lot of older mechanics is they like to do a lot of things by "eye" or by "feel" like it was done back in the day. Precise measurement and high tech tools are less a priority and more an unnecessary annoyance and expense to them. What many don’t realize (or care to realize) is that today’s engine tolerances and complexities are much more precise than the old 350 Chevy or 302 Ford they put together 20 or 30-years-ago.
Not to mention so many hate to admit as they get older, their judgment and eyesight tends to deteriorate. Usually, any sort of constructive criticism or inquiry does little more than insults and irritates them, so just keep that in mind when you bring any sort of delicate work to one of those “old school” mechanics.
It has to be a TimeSert. NO HELICOIL! As Mike said Helicoil will cause pre-ignition in the chamber.The mechanic I spoke to Saturday told me to cancel the TimeSert right away. He can do helicoils or inserts. I told him "no helicoil". He assures me with his full machine shop, that he can do the repair with an insert that he already has if he can see the spark plug hole.
It has to be a TimeSert. NO HELICOIL! As Mike said Helicoil will cause pre-ignition in the chamber.
A lot of times you can recoup some of your TimeSert kit cost by selling off the tool after you use it.
Interesting how many 'stangers report this problem. It is obviously a design flaw on Ford's behalf. By not standing behind this, I wonder if Ford has considered the possibility of a class action lawsuit - this certainly has the makings for one.
and if thear older and still in buisness then they must be doing something right
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