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mls leaking before start


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#1 basicgreen

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Posted 24 November 2021 - 01:38 PM

hi guys got a new motor all done right by book by engine builder. last thing to do was put water in so i did and water started leaking out the extractor side quite a lot.. thinking that a welsh plug did not seal so took all of.. pumped up cooling system and water pouring out from between the head and block.. for the life of me cant see how this could happen.. thinking the gasket is 92 thou and it has failed so how??

any one have an idea  



#2 claysummers

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Posted 24 November 2021 - 02:11 PM

Sorry to hear. Head off for a look I suppose. Hope it's the gasket.

early Holden nut

#3 I'm a Red Motor fiend

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Posted 24 November 2021 - 05:01 PM

Did your builder use hylomer on the gasket? Highly recommended for MLS to seal.

#4 I'm a Red Motor fiend

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Posted 24 November 2021 - 05:10 PM

Sorry, just re read, you didn't say MLS.
Was it a composite gasket or MLS?

#5 basicgreen

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Posted 25 November 2021 - 01:40 PM

sorry yea mls .. taking head of tomorrow having a look with engine man.. might need a bit of hylomer on it as you say.. i was so close for start up o well  



#6 Bruiser

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Posted 25 November 2021 - 04:44 PM

Howdy, Rick

Would this be your new motor with the huffer on?

The quiet achiever - You have been a busy boy

Keen to hear how you're getting on

Good luck with the gasket repair man, hope he sorts it for quick-o

#7 I'm a Red Motor fiend

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Posted 25 November 2021 - 05:54 PM

Hopefully as simple as some hylomer.
Hope it goes well.....

Edited by I'm a Red Motor fiend, 25 November 2021 - 05:56 PM.


#8 basicgreen

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Posted 30 November 2021 - 01:37 PM

hi sorry bean bizzy.. drained the water out so just what was in the block then  started it for minute or two then let cool down.. put some water in and all was good not a drop to bee seen 

now running bit hot so only have 6 cly rad so upgrading core and putting one fan one side to pull the other in front.. 2 10inch 

if that dont work will move rad forward if can and try get both behind but will need major surgery 



#9 I'm a Red Motor fiend

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Posted 01 December 2021 - 05:41 AM

I'd be wary if I were you. You will have air pockets in the system now probably.
Run it with the cap off till the thermostat opens.
Top it up, replace the cap and run it till it gets nice and hot and pressurized.
If no leaks then, happy days.

#10 Bruiser

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Posted 01 December 2021 - 04:26 PM

What was wrong with it?
How did you get it to seal properly?

#11 Heath

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Posted 02 December 2021 - 09:41 AM

Bizarre, but sounds like it might be a win.

 

Also, for peace of mind with the gasket, I'd be re-torquing that cylinder head if you haven't already.



#12 basicgreen

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Posted 02 December 2021 - 01:14 PM

yea guys ran it up to tep then added water as needed.. have started it a few time now..

just took rad to get a lot better core was only the small 6 cyl core so going adrad s core with a lot more tubes and better fins 

will be getting rad back next week so put it in and see .. first drive will be to engine man to go over it he is only 2ks away 

took some plugs to dyno man to and it is a bit rich so thinking good thing and he was happy.. only have 17 degrees of timing now dizz locked and running and starting really good 

do have a pin hole in sump were i had the sump made to hold bit more oil but can get to it so lucky. got to fined first its hard with new oil 

 

?? is it ok to tak a pin hole with a mig would only need a zap ??? do i drain oil ?? then do ?? 



#13 Bruiser

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Posted 02 December 2021 - 01:18 PM

Is your blower on there now?

#14 basicgreen

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Posted 02 December 2021 - 01:32 PM

yes it is

on a note i all so run a sock in the top hose to make sure nothing goes in the rad

will get a video up here soon  



#15 Bruiser

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Posted 02 December 2021 - 01:45 PM

Hah! I tried that the other day for the first time ever.

Pantyhose tho, double layered.

Filled up with a reasonable amount of crap,

Engine ran hot, real quick till i removed the sock.

Amazing how much shit is circulating

Be careful and keep your eye on the gauge

#16 basicgreen

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Posted 02 December 2021 - 03:07 PM

yea mate got fair bit in it and will be checking a lot to start



#17 basicgreen

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Posted 02 December 2021 - 03:09 PM

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