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2. Chrysler 3.3 & 3.8 engines - Wikipedia

   en.wikipedia.org/wiki/Chrysler_3.3_&_3.8_engines

   The original 3.3 engine, as well as the larger 3.8, are pushrod engine designs. The 3.3 was introduced in 1989 with the 1990 Chrysler Imperial, New Yorker, and related K-series models, and was joined in 1991 by the 3.8. Production on the 3.3 was stopped in 2010 after a run of 5,076,603 [2] engines, while the 3.8 remained in production until May ...

3. Leak-down tester - Wikipedia

   en.wikipedia.org/wiki/Leak-down_tester

   A compression tester. Leak-down testing is a static test. Leak-down tests cylinder leakage paths. Leak-down primarily tests pistons and rings, seated valve sealing, and the head gasket. Leak-down will not show valve timing and movement problems, or piston movement related sealing problems. Any test should include both compression and leak-down.

4. Buick V6 engine - Wikipedia

   en.wikipedia.org/wiki/Buick_V6_engine

   The bore was enlarged to 3.8 in (97 mm), identical to the Buick 350 and Olds 307 V8s, yielding 231.4 cu in (3.8 L; 3,791 cc) displacement. 78,349 units were installed in Buicks for 1975. [2] Due to difficulties with the new fuel economy and emissions standards, the engine produced just 105 or 110 hp (78 or 82 kW), depending on fitment and year.

5. Check valve - Wikipedia

   en.wikipedia.org/wiki/Check_valve

   A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various ...

6. Compression release - Wikipedia

   en.wikipedia.org/wiki/Compression_release

   The most common kind of small engine compression release uses a camshaft mounted mechanical lever that pushes the exhaust valve tappet slightly, venting engine compression through the exhaust valve. Once the engine spins to starting speed, centrifugal force causes the lever to move out of the way, and the exhaust valve is allowed to seat fully.

7. GM High Feature engine - Wikipedia

   en.wikipedia.org/wiki/GM_High_Feature_engine

   Continuously variable valve timing; Large 38.3 mm (1.51 in) intake valves and 30.6 mm (1.20 in) sodium-filled exhaust valves; Machined, domed aluminum pistons with top steel ring carrier for greater strength; 10.2:1 compression ratio; Patented, integrated charge air cooler system with low-volume air ducts