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08-12-2018, 09:01 PM | #1 |
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05 3.8 Impala intake gaskets
Just did the spark plugs, wires and o2 sensor on the wife's 05 Impala and discovered the dreaded pink Dexcool on the intake. Any recommendations on brand of gasket to use? Felpro used to be the go to. A brand called Mahle comes up in online searches.
Thanks Paul
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"You know that little thing in your head that keeps you from saying things you shouldn't? Yeah well, I don't have one of those" 1969 Mercury Cougar Standard 4 speed 1969 Mercury Cougar XR7 convertible 1970 4WD Chevrolet Suburban 1997 4WD Chevrolet Silverado Extended Cab Short Bed (purchased new January 1997) |
08-13-2018, 08:12 AM | #2 |
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Re: 05 3.8 Impala intake gaskets
Fel Pro is still best, my opinion...
MY 98 Buick had the plastic upper plenum, had to replace mine, the EGR passage and one coolant passage are real close together. The EGR passage erodes away due to heat and exhaust gas. Had to replace upper plastic plenum. Bought a Dorman replacement, not expensive. |
08-13-2018, 10:35 AM | #3 | |
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Quote:
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08-20-2018, 02:39 PM | #4 | |
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Re: 05 3.8 Impala intake gaskets
Quote:
PM me if you get into this deal and have a question... |
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08-20-2018, 05:39 PM | #5 | |
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Re: 05 3.8 Impala intake gaskets
Quote:
The biggest problem was cleaning the upper and lower intakes as the oil was baked on and in the runners. Also I just noticed that the lower intake end seal on the water pump side slid out a bit. It was a pain getting the intake to set straight down and at the same time slide into the water pump elbow. The valve covers did not have to come off on my engine. Total time was about 6 hours with 3 hours of cleaning and a run to the auto parts store for a new thermostat and more brake cleaner. Paul
__________________
"You know that little thing in your head that keeps you from saying things you shouldn't? Yeah well, I don't have one of those" 1969 Mercury Cougar Standard 4 speed 1969 Mercury Cougar XR7 convertible 1970 4WD Chevrolet Suburban 1997 4WD Chevrolet Silverado Extended Cab Short Bed (purchased new January 1997) |
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08-21-2018, 08:22 AM | #6 |
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Join Date: Sep 2011
Location: Ark City, Kansas
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Re: 05 3.8 Impala intake gaskets
Cool!!!
I forgot to mention about setting the intake back on engine...BUT the whole job isn't any fun either...LOL Did yours have a bypass tube to the water pump??? Mine did, later models may not. Replacing the tube at this time is important. (if anyone does this job on an older 3.8, mine was a 3.8) I also had a 92 and it had a bypass hose, way easier to deal with |
08-21-2018, 07:01 PM | #7 |
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Location: Mtn View, Missouri
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Re: 05 3.8 Impala intake gaskets
I'll put my vote for FelPro as well.
This is going to be shunned by a few here but I've had good luck with the Enginetech brand Rockauto sells. I used some of their head gaskets, lifters and intake gaskets on an old beater Dodge truck I don't care much about and they were a different color but looked exactly the same as some Felpros I had on hand and were very nice quality. Ever bit as good as the FelPros. Just one guy's experience, of course. |
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