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B20 VTEC Headgasket leak on fresh rebuild

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Old 08-24-2010, 10:30 AM
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Default B20 VTEC Headgasket leak on fresh rebuild

i started my car up two days ago. after letting it run i did not notice any leaks. today i went back and let it run and gave it a few revs and noticed a few drops out of the corner in the front under the VTEC solenoid. remember that this is a fresh rebuild (head was resurfaced, all seals replaced. ARP head studs.. etc)

maybe you guys have a solution to this problem? btw my dowels are lined up, my gasket is on the correct way, and i have a Cometic 84.5mm head gasket (my bore size). the car will be boosted soon but im breaking it in NA. car does not overheat by any means and has a smooth idle. my only problem is this small leak. I will take pictures tonight
Old 08-24-2010, 12:45 PM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

Which dowel pin setup did you use? Golden Eagle, stock (head redrilled)...?

I used a cometic headgasket on my first LSV, it leaked the exact way you're describing. Heard mixed reviews on cometic headgaskets, some say they all do it, some say they dont.

I got fed up with the oil leak (I assume you have oil leak) purchased an OEM LS headgasket, RTV'd the oil drain passages and my leak went away.
Old 08-24-2010, 04:37 PM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

no its actually a coolant leak. and i just realized i relly shouldn't hve coolant coming out there
Old 08-24-2010, 05:21 PM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

Hmmm. Sorry for speculation. HG could still be the culprit...

Quick question, when you had your head machined did you remove all the sensors and stuff from it?
Old 08-24-2010, 05:35 PM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

yes all sensors were removed. im pulling the cams out and trying to re torque my head studs.
Old 08-24-2010, 05:43 PM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

Make sure all those sensors are tight, maybe one is not completely tight or is needing some teflon tape or something?

Hope its something simple!
Old 08-24-2010, 09:01 PM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

i re- torqued the head studs to 83 ft lbs and it seemed to get a tad better. this tiny leak is my only problem its so annoying. other than that the motor runs great
Old 08-26-2010, 02:06 PM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

bump for help and ideas
Old 08-26-2010, 02:08 PM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

You posted it for sale already?
Old 08-26-2010, 02:37 PM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

yes because i have to move my car out of my garage and i can not afford to finish it
Old 08-27-2010, 08:49 AM
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Default Re: B20 VTEC Headgasket leak on fresh rebuild

fixed... my block guard was too high
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