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Mustang Technical Discussion > Mustang Projects > hybrids 1966 Coupe Project > Community Forums > Mustang Forum Australia - Mustang Tech

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hybrid
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Not far away now...



Last edited by hybrid on Fri Jul 07, 2017 2:49 pm; edited 1 time in total

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gbx78
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Exciting. We know you will be busy in the garage after work and weekend!!

Test fit and run first before painting? I've pulled mine on and off in and out of the car soo many times I can do it blind folded. Bdoomtsss

.... ..... Bring on the comments


'You can never test fire too many times.' - Hybrid

'You can never have too many gauges' -
Boofhead

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hybrid
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Sealant didn't work. May have been because there was coolant down the hole or something. Dont know, but I guess the head is coming off now.


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boofhead
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Dam. Can you not just drain the coolant, clean the thread with the head on and try again. Going further then the positive side is that you can do both sides since the intake is off. Not to much extra work. Other opportunity is to look into a set of head gaskets for boost applications.

BTW: Not sure lock tight is the product to use though I do use it to lock and seal fly wheel bolts. So your probably right. I usually use Permatex no 2

www.supercheapauto.com...mendations

or even a light smear of Black RTV will work well. In any case, surface does need to be clean - slippery coolant would not help any product do its job.


I will someday think of something clever to say.

Last edited by boofhead on Wed Apr 13, 2016 6:58 pm; edited 1 time in total

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hybrid
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There are different loctites I'm sure you're aware.
This one is a pipe thread sealant that stays flexible (therefore easily removable).

I thought about trying again, but it's hard to get down into the thread properly with the head in place.
I only removed one of the heads.
Head gasket was still in perfect condition, so it was definitely leaking up the threads.
Pics to come.


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boofhead
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Well done. Atleast you now really know what was going on with no doubt. Also, it is good this has happened pre-paxton as that would have added noise that would have not helped.


I will someday think of something clever to say.

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hybrid
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Rocker covers and rockers off.



Intake off


Head bolt holes - two of them were like this (the middle two), but I don't know how much these filled up once the head was loose and the gasket started leaking.



Head off



Gasket still looks spot on.

I'm going to try and get to rocket industries today to get a head gasket and exhaust gasket.
I was going to use the head gasket I have at home, but it's not the steel o-ring type and considering I'm going to be boosted I decided to put the o-ring type back in.


Last edited by hybrid on Fri Jul 07, 2017 2:47 pm; edited 1 time in total

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boofhead
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You can see the fluid in every short side hole - did you put a screw driver into one of the holes to see how far it went in? Any way, it is a lot of work. The head gasket looks in good condition. If you were not going boosted it looks like it could be reused. I now want to know the age of the block.


I will someday think of something clever to say.

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hybrid
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I can't remember when the fluid appeared in the other holes.
The bolt holes are directly below the water holes, so there is a chance the water ran from the jacket to the bolt holes.

Considering the condition of the head gasket though, I'm almost certain it was still the thread leaking the coolant.
Now the trick is going to be trying to get the threads clean and dry so the sealant works. I'm actually considering using RTV instead of the loctite, but haven't made a final decision yet.


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smh00n
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What hi-tec electronic gadget does the rubber hose with a screw in it on the throttle body operate?


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boofhead
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I would think it was ported Vac for the distributor vac advance (if you were not doing electronic ignition control).


I will someday think of something clever to say.

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hybrid
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smh00n wrote
What hi-tec electronic gadget does the rubber hose with a screw in it on the throttle body operate?


Actually, that will probably go to the supercharger bypass valve.
The wife wasn't home for the delivery today šŸ˜¢


Last edited by hybrid on Thu Apr 14, 2016 5:41 pm; edited 2 times in total

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nassi
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hybrid wrote
I can't remember when the fluid appeared in the other holes.
The bolt holes are directly below the water holes, so there is a chance the water ran from the jacket to the bolt holes.

Considering the condition of the head gasket though, I'm almost certain it was still the thread leaking the coolant.
Now the trick is going to be trying to get the threads clean and dry so the sealant works. I'm actually considering using RTV instead of the loctite, but haven't made a final decision yet.



RTV (grey) has been my choice for several years now.


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hybrid
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I went with the loctite... hopefully it works now that the threads were dry Confused

As expected, the re-assembly was slower than the tear down, but still got a fair bit back together.
Head is torqued down.. rockers adjusted, exhaust is on and inlet manifold is on.



Last edited by hybrid on Fri Jul 07, 2017 2:44 pm; edited 1 time in total

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hybrid
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Well hello there friend...



Last edited by hybrid on Fri Jul 07, 2017 2:41 pm; edited 1 time in total

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