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Old 02-22-2013, 05:55 AM
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Plenum / engine boost leak

Got my new 38r WW installed and egt's are up and boost was down, so did a boost leak test and found that the passenger plenum is leaking boost between it and the engine, not on the spyder side. Its always something right....
I searched around, seems pretty straight forward. Anyone have a step by step?

Pull turbo, fuel bowl?
remove plenums, clean the crap outta em, then reseal with grey sealant or what?
thanks in advance.
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Old 02-22-2013, 06:30 AM
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if it were me, i'd go this route..if $$$ allowed

Riffraff Diesel: Riffraff Diesel Billet Intake Manifold Plenums

$$$ was tight, then yup, what you said but add these...

Riffraff Diesel: Plenum Intake Manifold Cover

with these...

Riffraff Diesel: RDP Plenum Reinforcing Inserts™
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Old 02-22-2013, 06:33 AM
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I don't need new ones I dont think, and I already have dieselsite's reinforcing inserts in them, I just need to pull and reseal them.
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Old 02-23-2013, 12:58 AM
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shouldn't need to pull the turbo. or the fuel bowl..
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Old 02-23-2013, 06:49 AM
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Quote:
Originally Posted by kaya@bernhausen View Post
shouldn't need to pull the turbo. or the fuel bowl..
The only walkthrough I had found was the riffraff one for his billet plenums, I figured it would be about the same, there is enough room in there without pulling the turbo/pedistal to get them out and clean the surface?
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Old 02-23-2013, 07:23 AM
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has the turbo/pedestal been removed to install new orings? if not, knows a good time..aint that hard of a job.
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Old 02-23-2013, 07:37 AM
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Quote:
Originally Posted by timmyboy76 View Post
has the turbo/pedestal been removed to install new orings? if not, knows a good time..aint that hard of a job.
yep, turbo has been out several times, out last week in fact to install the 38R WW.
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Old 03-10-2013, 08:37 AM
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Alright so finished this up last night, not as hard as I expected, just time consuming. Takes forever to get every little bit of crap off the plenums. Next time I will just bite the bullet and buy the billet ones. The stockers are like alluminum can thin and just felt chinsey. Hopefully they hold the pressure for a while for me though.
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Old 03-10-2013, 08:50 AM
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Didn't have to pull anything but the spyder?
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Old 03-10-2013, 08:54 AM
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Quote:
Originally Posted by jesilvas View Post
Didn't have to pull anything but the spyder?
I pulled turbo, pedistol, gpr, fuel bowl, spyder, and intercooler pipes. I wanted a nice big working area so I could clean it up real good. Probably not necessary, but I also installed a regulated return from DI.
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