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Author Topic: helicoil info  (Read 1646 times)

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JamesV6CDX

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helicoil info
« on: 19 August 2007, 15:18:59 »
Hi Guys

I'm really stuck. I can't get another sump, I'm all out of options, so think I'll need to helicoil my existing one. I know nothing at all about what this involves, or how to do this. Please could someone offer some information, or a mini how2 for someone starting from scratch? To include what parts I would need?

Cheers muchly
James
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hotel21

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Re: helicoil info
« Reply #1 on: 19 August 2007, 15:20:36 »
You will have already viewed this, no doubt, but just in case.....

http://www.emhart.com/products/helicoil.asp?gclid=CLmEh_LhgY4CFQ2HlAodAwXiNg
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JamesV6CDX

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Re: helicoil info
« Reply #2 on: 19 August 2007, 16:01:38 »
I just came across a How2 on another forum, actually. Extremely useful, I think I could have a crack at heli coiling it now. I will remove the sump as it's my first time, and to aviod getting bits in it. assuming it's not an engine out job, etc, on the small block engine?

My biggest concern now, is knowing what drill bits/tap/helicoil sizes to use  :-/

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JamesV6CDX

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Re: helicoil info
« Reply #3 on: 19 August 2007, 16:02:39 »
And also, where to get a helicoil kit etc from, tomorrow.

I could talk nicely to a local engineering shop once sump is off, but that way I won't learn anything...
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sassanach

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Re: helicoil info
« Reply #4 on: 19 August 2007, 16:15:40 »
how about telling us what size thread  :) is in there now?
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JamesV6CDX

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Re: helicoil info
« Reply #5 on: 19 August 2007, 16:19:57 »
Quote
how about telling us what size thread  :) is in there now?

I really don't know.. and I'm not with the car at the mo

Interestingly, I just sent you a PM... ;D


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sassanach

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Re: helicoil info
« Reply #6 on: 19 August 2007, 16:26:15 »
i keep helicoils here from m6 to m14 but without knowing what you have got in there, theres not a lot i can do :)
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JamesV6CDX

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Re: helicoil info
« Reply #7 on: 19 August 2007, 16:30:09 »
Bugger

Anyone happen to know what size sump bolt would be in the Vectra? Same as Omega?
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JamesV6CDX

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Re: helicoil info
« Reply #8 on: 19 August 2007, 16:30:48 »
comparing the bolt against a tap, it looks to be at least m14..
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IrmscherKris

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Re: helicoil info
« Reply #9 on: 19 August 2007, 17:11:54 »
IMO, weld it back on and keep an eye out for another on your next oil change :)
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JamesV6CDX

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Re: helicoil info
« Reply #10 on: 19 August 2007, 17:15:32 »
Quote
IMO, weld it back on and keep an eye out for another on your next oil change :)

Not much point in that, if I Can do a permanent repair and only have to take the sump off once...

Having said that - if it gets desperate....  ::)
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IrmscherKris

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Re: helicoil info
« Reply #11 on: 19 August 2007, 17:20:40 »
It will never be strong and reliable re-tapping it though IMO, your best off welding it up and getting one from a breakers/scrapper.  :y
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JamesV6CDX

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Re: helicoil info
« Reply #12 on: 19 August 2007, 17:23:11 »
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It will never be strong and reliable re-tapping it though IMO, your best off welding it up and getting one from a breakers/scrapper.  :y

After getting my head around Mark's explanation... it will be better than before, with a helicoil....
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sassanach

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Re: helicoil info
« Reply #13 on: 19 August 2007, 20:57:20 »
is the sump alloy or steel?
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JamesV6CDX

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Re: helicoil info
« Reply #14 on: 19 August 2007, 21:59:27 »
Quote
is the sump alloy or steel?

Proabaly alloy.. I'll have a butchers tomorrow...
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