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Old 07-03-2018, 12:00 AM   #1
albersondh
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Join Date: Dec 2008
Chapter/Region: MWSOC
Location: Holset baller on a budget.
Vehicle:
08 WRX

Default Head repair

Anybody got a shop/welder willing to take a crack at this difficult weld repair? Possibly a tad greedy on the dog leg. The liquid is flowing down from the port wall, where I "allegedly" went through the wall into the water jacket. Found the leak while checking valve seal during port side pressure test.... FML.





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Last edited by albersondh; 07-03-2018 at 12:18 AM.
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Old 07-03-2018, 08:35 AM   #2
rtv900
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Default

it's hard to even tell what you are looking to get welded
I guess it's down in the port?
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Old 07-04-2018, 07:46 AM   #3
Hyper
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2.34 LR destroker

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if you ported the hell out of them, and there is little meat left there is a good chance heads will develop more cracks during operation especially if you have high EGT or running ignition cut LC
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Old 07-04-2018, 08:27 AM   #4
Titter
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EJ207 Spec C 4EAT

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what hyper said is a good possibility.

you’ll prolly want to get new heads. expensive lesson to learn.
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Old 07-04-2018, 03:48 PM   #5
user1029
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HTA86 E85 Kel272s Cos IM

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IAG stage V heads in your future
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Old 07-04-2018, 04:02 PM   #6
albersondh
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Default

This is the third set of D25s I have P&P and the first one I have punched through. I consider myself pretty conservative on my porting. Shame, these flowed very nicely with 210-CFM at only .2 lift, 265 at .4.

Dog legs 187 at .4.
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Old 07-20-2018, 08:12 PM   #7
albersondh
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Location: Holset baller on a budget.
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08 WRX

Default

Fixed.

Before smoothing over the weld repair:




After blending the weld a bit.


Holding vac.


and 20psi. I test all ports to 20psi. Typically start to see some foaming around 20psi and I consider that ok as long Im not getting bubbles, and not losing more than 1psi/5-min.

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Old 07-21-2018, 12:24 AM   #8
TDagen
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Wow. Nice repair!
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