Is the bottom end of the 3800 engine interchangeable?
The bottom end of the series II 3800 is very strong. Nothing is interchangeable between the Series I and series II engines besides a few insignificant parts. The naturally asperated versions of the 3800 did not have internal parts designed for boost duty.
When did the 3800 SC engine change to Series II?
In 1996, the 3800 SC engine changed to the series II design. A few things are different between the series I and series II engines which is worth mentioning for installation purposes. The series II engine has about a 1″ shorter deck height than the series I.
Is the Buick 3.8 the same as the Fiero 3800?
It is virtually the same as the FWD Buick 3.8 with the exception of having the oil pump located in the timing cover and used DIS instead of a distributor. In 1992, the supercharged version appeared using a M62 blower.
Can you put Turbo on a naturally asperated 3800?
While you can put boost on a naturally asperated engine, durability and reliability will not be as great as if you would have used the supercharged engine parts. To if you super- or turbo-charge a naturally asperated engine, DO SO AT YOUR OWN RISK. The very first 3800 swap I did used a ’92 Series I 3800 SC from a wrecked Park Avenue Ultra.
When did the Buick 3800 Series 2 come out?
The 3800 Series II was on the Ward’s 10 Best Engines list for 1995 through 1997. A 3800 Series II L67 Supercharged engine in a 1998 Buick Regal GS.The L67 is the supercharged version of the Series II L36 and appeared in 1996, one year after the normally-aspirated version.
In 1996, the 3800 SC engine changed to the series II design. A few things are different between the series I and series II engines which is worth mentioning for installation purposes. The series II engine has about a 1″ shorter deck height than the series I.
The bottom end of the series II 3800 is very strong. Nothing is interchangeable between the Series I and series II engines besides a few insignificant parts. The naturally asperated versions of the 3800 did not have internal parts designed for boost duty.
When did the 3800 Series 3 come out?
In 2005, it was the first gasoline engine in the industry to attain SULEV (Super Ultra Low Emissions Vehicle). Also note that Series III engines are the base for any 3800 produced for the 2004 year and up. This means the same block, heads, & connecting rods apply to any remaining Series II engines made after 2004 also.
Is the N / A 3800 engine the same as the SC engine?
The N/A 3800 II engine does not share the same rods or pistons with the SC version. The heads are the same with the exception that the N/A versions do not have the bosses drilled for the injectors. The 3800 Series II SC and N/A engines also feature cross-bolted, 4-bolt main bearing caps. The basically makes the need of a girdle unnecessary.
When did the Buick 3800 get a supercharged engine?
When GM upgraded the 3800 to a Series III in 2004, they switched to powdered-metal, forged rods. We haven’t seen any of them yet. The Series III supercharged engine should have a short version of the powdered-metal rod, too. The supercharged engine wasn’t available after 2007.
While you can put boost on a naturally asperated engine, durability and reliability will not be as great as if you would have used the supercharged engine parts. To if you super- or turbo-charge a naturally asperated engine, DO SO AT YOUR OWN RISK. The very first 3800 swap I did used a ’92 Series I 3800 SC from a wrecked Park Avenue Ultra.