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6 port and 4 port?

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Old 09-20-06, 06:54 AM
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6 port and 4 port?

ok im confused with myself. I can understand how you can get 6 port 13b's but how come people claim they have 4 port 13b's? The only thing I can think of is peripheral port motors.

If you can please post up a pic of a 4 port please
Old 09-20-06, 01:50 PM
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13b 4port is avilable in early 13B's rx2 rx 3 or so. also TII 13b's i believe are 4 port. Then there are the people that use 12A 4port plates with se rotor housings. Which makes it a 4port 13B. I aint 100% on this information but i am close to 100% that is right.
Old 09-21-06, 03:44 AM
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6 port and 4 port refer to the intake ports in the block of the engines.6 port engines are used in N/A cars 1985 to 1991 and now rx8 has a 6 port as well. 4 ports were used in 87 thru 2002 turboed rx7s.
Old 09-21-06, 05:41 AM
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Originally Posted by rotaryracer1
6 port and 4 port refer to the intake ports in the block of the engines.6 port engines are used in N/A cars 1985 to 1991 and now rx8 has a 6 port as well. 4 ports were used in 87 thru 2002 turboed rx7s.
actually, the 85 GSL-SE is a 4-port 13B
Old 09-21-06, 07:24 AM
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Originally Posted by 93VRTouring
actually, the 84-85 GSL-SE is a 6port 13B
much better.
Old 09-21-06, 09:08 AM
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Originally Posted by wackyracer
much better.

Old 09-21-06, 06:19 PM
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oh ok thanks guys!

cheers
Old 09-22-06, 06:00 AM
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Originally Posted by 93VRTouring
actually, the 85 GSL-SE is a 4-port 13B
Its a 6 port! Other 13b housings can be used by milling the seal grooves into the housings on a CNC.
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