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Overheating ( and some head consult )

Started by Nacho-RT74, July 12, 2010, 09:42:44 AM

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Nacho-RT74

the good news ( I think )... removed number 1 spark plug, and did it look more clean than the rest SOOOO it looks the problem is around cilinder one... I hope headgasket like has been stated

the bad news, I COULDN'T REMOVE THE HEAD!!! I got stuck with one of the flange bolts at exhaust. It looks like a Karma to me. I always have problems with that bolt at a side of the starter, for a while the other one allways get loosen, both on driver side.

will be explained with details in another thread.
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

TylerCharger69

Truth be told....the head gasket will usually fail before the head cracks....If it gets hot enough...it is extremely possible to crack the heads....I havent seen many failed blocks though.  But always get the head resurfaced....but that's a no brainer.

Nacho-RT74

update!

made to remove the driver side head and found

GASKET IN PERFECT CONDITION! ( took pics, will post later )

once again DO YOU THINK IT COULD BE THE T-STAT STUCK?

NOTE ABOUT THIS:

found the T-stat damaged!!!! ( will take pics of this too later )

:brickwall:

but, last Time I got T-stat damaged ( stuck ) the synthom ( sp ? ) was JUTS RIGHT THE OPPOSITE!, no pressure on upper hose!!! with heat read on gage of course
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

b5blue

This head and cylinders water jacket need to be checked for cracks, you stated you had 2 very clean plugs?   :scratchchin: 

Nacho-RT74

not very clean, but just a little bit against the others... I think will take pics of the plugs too, Maybe I'm misreading them.

how can I check for water jacket cracks with engine on car ? is that even posible ?

I will take anyway heads to machine shop to resurface them and check

Need to say that even stuck T-stat, got HAIR CRACKS around the body ( is a cheapo one ).
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

b5blue

Well by now I would think you would see a crack in cylinder wall with rust color bleed marks to highlight, just rotate piston all the way down and check with a very bright light, heads can be "magnafluxed" with a huge magnet and iron dust. (Fun to watch them do it)

Nacho-RT74

block is sleeved in all 8 cilinders... I find hard to get a crank on cilinders, but... shit happens!
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html