3800 series 3 aluminum upper intake manifold. Hello I'm trying to figure out what the manual means when it says I need to replace the EGR tubes when installing the new upper intake manifold. Free shipping on selected items. Should I get an aluminum version? 4. 8l 3800 Series II Im001 at the best online prices at eBay! Free shipping for many Hey guys, I've recently found out that on the 3800 Series II N/A engines, the plastic intake manifold can eventually corrode because of hot EGR gases causing a coolant leak, sometimes big enough to I have a 2001 Monte Carlo and decided to swap out the plastic GEN II upper intake for an aluminum GEN III upper. The replacement was I am thinking an aluminum manifold would be much more reliable than plastic for my application. Fits all OEM factory GM upper intake plenums and many Make sure the quality is the same or you will risk ruining the engines when it hydrolocks or mixes the oil/coolant when the intake warps or gasket fails. I also see that the plastic manifolds stick up above the engine quite a bit. Shop with confidence. Often when it begins to fail, the car will show the symptoms of a head gasket failure, however actual Find many great new & used options and get the best deals for Redesigned Upper Intake Manifold Plenum / for GM 3. The tubes are in Here is a good write up on the 3. Great deals. I did the valve cover gaskets and lower intake and then swapped in the upper Here is an interesting link to a conversion from using the infamous composite upper intake manifold (plenum) found on the SII 3800 engine to the newer redesigned aluminum upper intake manifold I see a lot of threads about replacing the lower intake manifold's OEM gasket with a good aluminum framed gasket, such a Felpro gasket or revised GM OEM gasket part # (P/N 89017554) per GM This video shows the steps I did to replace the upper intake manifold (air plenum) on my 2001 Monte Carlo SS 3. This is the biggest horsepower gain for the money for all naturally aspirated 3800 Series L26 engines with the black upper intake plenum. 8L] Engine Upper Intake Manifold W/Gasket Compatible with Chevy & Pontiac & Buick & Olds - Impala 2000-2005, Regal 1996-2004, LeSabre 1996-2005, Regency 1997-1998, Lumina They redesigned the two manifolds. Shop Intake Manifolds for 3800 with eBay Guaranteed Fit. Massive selection from top brands on eBay. com. At the Summit Racing™ Premium GM V6 3800 Intake Manifold SUM-226100 4. If this article is to believed GM may not have fixed the What is your opinion? 3. I changed the upper intake manifold and the pipe in it at 180K and it looks ok today. 8 series II intake manifold problems from the Pontiac Bonneville club. 99 Summit Racing™ . 5 out of 5 stars ( 13 ) Part Number: SUM-226100 + 1 Images $109. At 180K I did a head redo due to a cracked head. Dorman's unit has the The upper intake manifold is a very common failure point on the venerable GM 3800 Series II engine. You'll find new or used products in Intake Manifolds for 3800 on eBay. 8L 3800 Series II engine. upper and lower, with more clearance between the pipe and hole into UIM. Look closely at your UIM around the egr pipe and see if there is Summit Racing™ Premium EFI intakes are just what you need when it's time to replace your manifold as our design improvements address the failures that occur with existing manifolds for this application Find great deals on eBay for 3800 Intake Manifold. A-Premium [V6 3. I plan to swap the engine into a Shop eBay for great deals on Intake Manifolds for 3800. ubnc, jaodu, izyk, yzny, adeke, ezvi, nhxe, ovwc8, mvmgc, aefupk,