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Found source of my 1 qt @ 1000 miles

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Old 11-01-2008, 03:21 PM
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Default Found source of my 1 qt @ 1000 miles

After pulling a few plugs, I went after the passenger back plug and voila! There was oil all up the threads and what looked like a glazing on the center porcelan electrode. A few techs where I work said they wouldn't worry about it, but it just irks me after spending money on an aftermarket head vs a ported set of 243's that now I get to deal with this. I know it's trivial ( I guess), but it sucks when you spend hard earned money to have an issue that you never had before. What's worse is Dart's warranty states I have to have the head sent to them for inspection and determination of failure. Yeehaa. They already had to replace the other head for a crack that was leaking coolant on the dyno right after installation.
Old 11-01-2008, 03:33 PM
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It might just be the valve seal(s). I would swap them out and see if that solves the problem.
Old 11-01-2008, 03:37 PM
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Thought about doing that as it's pretty easy to do. I'm running a 646/612 lift cam, I wonder if that is causing any issue with the valve guides? Then again, it started right after bolting these heads on.
Old 11-01-2008, 04:42 PM
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Were shortened intake rocker bolts supposed to be used on the darts?
Old 11-02-2008, 07:34 AM
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I definitely never heard that. Hmm.
Old 11-02-2008, 07:55 AM
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I've never head that either and I used the factory rocker bolts without any problem. Hope you get it straightened out, I would suspect the vavle seal, possibly damaged due to the high lift.
Old 11-02-2008, 01:58 PM
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Was sealant put on the threads of the rocker bolts?
I thought that was required on ported heads to prevent oil consumption?
Old 11-02-2008, 02:50 PM
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Did you use any type of thread sealant on the rocker bolts? If not, this is probably one of your issues. I've had Dart 225's on for a year now with no oil consumption or any issue for that matter. I'm using Crane rockers so I used Red Loctite to seal the rocker studs.
Old 11-02-2008, 05:04 PM
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You don't need the shorter rocker bolts. They're just an added factor so the ends don't protrude into the runners. Like it was already stated though you should 100% always put some sort thread sealant on them to prevent oil from draining downwards.
Old 11-02-2008, 07:58 PM
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I'm sure my local shop guys did as they've done dozens and dozens of h/c cars as well as assembling short blocks and heads.
Old 11-02-2008, 08:35 PM
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Originally Posted by Redlinez
I'm sure my local shop guys did as they've done dozens and dozens of h/c cars as well as assembling short blocks and heads.
Might be worth your time or a buddies, to pull the valve cover and pull one rocker bolt out and look at it. See if its sealed. If not back to local shop...
Old 11-03-2008, 05:37 AM
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I figured I would see it when I do the valve seals. What's a good choice to use on those bolts?




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