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13a na block the same as a turbo II block?

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Old 03-24-07, 11:56 AM
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13a na block the same as a turbo II block?

putting a turbo II engine in my '90 rx7... is it the same block?
Old 03-24-07, 12:00 PM
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Nope. It will bolt in though.
Old 03-24-07, 12:24 PM
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the mounting points are the same, but there is very very little in common between the blocks
Old 03-24-07, 12:36 PM
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thank you, but maybe to clear something up , is a 13B na block the same as a turbo II block? with the turbo exhaust manifold and intake bolt up? sorry for the misprent and again thanks for your help!!!!!
Old 03-24-07, 12:49 PM
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If you're using an N/A intake manifold and the turbo exhaust you need a spacer for the tubor to clear the ACV. If you use Turbo intake and exhaust it'll botl up fine but being the the T2 is a 4-port and the N/A is a 6-port you need to port match the T2 intake to match the N/A block.

edit: http://forum.teamfc3s.org/showthread.php?t=37694
Old 03-24-07, 07:16 PM
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Originally Posted by karalynn918
is a 13B na block the same as a turbo II block?
No, as mentioned above

with the turbo exhaust manifold and intake bolt up? sorry for the misprent and again thanks for your help!!!!!
No.

Turbo motors are 4 port intake motors, while non turbo motors are 6 port. The non turbos have two more intake ports than the turbo motors.

As far as the exhaust manifold, the turbo exhaust manifold will not fit on a turbo or non turbo motor that uses a 6 port intake.

You could (in theory) use a turbo intake manifold that has been modified to fit onto a non turbo motor and then use the turbo exhaust manifold, but you couldn't use a non turbo intake on a turbo block.

Exhaust manifold will need to match the intake manifold. Of course the exhaust port design is different between Turbo and non turbos as well... but it sounds like that may be above your head here.

Perhaps if you tell us what you are really wanting to do???
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