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The stroke and bore are identical to an EJ22. Now the differences are in the pistons and the heads. The EG33 pistons have a raised portion which increases the CR above a 2.2. We (meaning a couple of us on the board) crunched the #'s and did measurements. There is a reason LAN contracted CP to make the pistons for our engines instead of using the much cheaper alternative of 2.2l pistons. Even the 9.5:1 2.2l pistons would drop an EG33 down to 8.0:1 CR which is too low for what most people want to do. The Eagle H-beam rods can be ordered through Eagle, just make sure you ask them to give you a weight matched set of 6. The crank and piston pin bores as well as rod length are identical to the 2.5 and 2.2l's
Tom
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