470 head re torque - coolant release Page: 2 - iboats Boating Forums

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GA_Boater

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Join Date: May 2011

Posts: 35591
#16

February 11th, 2019, 07:54 PM

I should have deleted the post in the old thread instead of just closing the old thread. Now you answered the same question twice, Chris. Yesterday and today.

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achris

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#17

February 11th, 2019, 09:09 PM

Originally posted by GA_Boater View Post

I should have deleted the post in the old thread instead of just closing the old thread. Now you answered the same question twice, Chris. Yesterday and today.

I know...

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1972 Bertram ‘Bahia Mar’ 20
2006 Mercruiser 4.3MPI (0W617679) w/Alpha One Gen II (0W829301)
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Rake722

Petty Officer 1st Class

Join Date: Apr 2012

Posts: 328
#18

February 12th, 2019, 01:26 AM

In any case thank you ! I had that thread open in another window and mistakenly tagged on to it instead of this post.

Time to put the rocker arms in and see if she seals.

temoted to just do as you said and Rodger about it but will run with rocker cover off to check
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Rake722

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Join Date: Apr 2012

Posts: 328
#19

February 12th, 2019, 01:29 AM

Originally posted by Scott Danforth View Post

I like to use black RTV or permatex #3. I coat the threads, wipe with my fingers so only the valleys of the threads are filled, wait 10 minutes then install the bolts.

Do those over any advantages over perfect seal ?
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Scott Danforth

Grumpy old guy who plays with boats

Join Date: Jul 2011

Posts: 24465
#20

February 12th, 2019, 04:41 AM

perfect seal is permatex #3. I just refuse to spend $23 for a re-labeled $6 can of permatex.

Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

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1970 Wooster Hellion - Merc 9.8
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Rake722

Petty Officer 1st Class

Join Date: Apr 2012

Posts: 328
#21

February 12th, 2019, 11:27 AM

Good call Scott.

i got down today and re sealed and re torqued all the bolts one at a time to be safe. I did this cold.

result is good no leaks at all

https://youtu.be/vx5ahSrVT5c

engine now ready for the water
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