Aussie boss 290

Snoopy49

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I didn't know there was a Boss 290, so I had to look around. What was the last year they produced the engine?
Boss 290, 302 and 315 V8 engines

boss_290-302-315_engine_ser1_09.jpg

boss_290-302-315_engine_ser1_07.jpg
 

Rocketir

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I didn't know there was a Boss 290, so I had to look around. What was the last year they produced the engine?
Boss 290, 302 and 315 V8 engines
Interesting.
From the link
Cylinder head and valvetrain
Shared with the Ford Mustang Cobra R, the aluminium cylinder for the Boss 260 and Boss 290 V8 engines was cast by Ford USA and machined by Cyl-Tech Manufacturing. The cylinder head for the Boss 290 engine was mounted on a high-compression Terminator head gasket that was originally engineered for supercharged applications and provided extra margins of sealing strength for the naturally aspirated Boss 290. The cylinder head bolts for the Boss 290 engine:
  • Were made of a special high-tensile material;
  • Were stretched under tension for maximum strength and head gasket stability; and,
  • Had an enlarged bolt head surface to spread torque loads over a larger area.
 

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