bore and stroke

[Yaristeve]

Originally Posted by thebarber

the only diffence between the engines is the stroke of the pistons,...

...And the stroke is determined by the crank not the pistons or rods.

A longer stroke means you probably need longer rods but longer rods and a stroker crank means you need pistons with higher pin location in the piston so that the piston doesn't bang the cylinder head.

[thebarber]

Originally Posted by Yaristeve

...And the stroke is determined by the crank not the pistons or rods.

A longer stroke means you probably need longer rods but longer rods and a stroker crank means you need pistons with higher pin location in the piston so that the piston doesn't bang the cylinder head.

can anyone find information from toyota on part #'s for 1nz and 2nz cranks?

[cdydjded]

Originally Posted by thebarber

can anyone find information from toyota on part #'s for 1nz and 2nz cranks?

The 1NZ-FXE is the earliest 1.5 L (1496 cm³) version built in Japan. Bore is 75 mm and stroke is 84.7 mm. This applies also to the 1NZFE.

The 2NZ-FE is a 1.3 L (1298 cm³) version built in Japan. Bore is 75 mm and stroke is 73.5 mm, with a compression ratio of 10.5:1.

The part #'s have to be different.