| WackyRotary |
08-11-02 11:39 PM |
Let me re-state what I said better, 13b 6port engines could be built into amasing engines with loads of cash. But with porting alone, mild gains only. Meaning, only do it if the engine is seceduled to be apart anyway. While your at it, order the Pineapple Racing sleeves for the 6ports since they flow better. I don't know what the increase is, but it would help.
12a engine as a base for porting is a little different. They can be made into mild, extend, bridgeport, j-port, monsta port. A 6port could be made into some thing else, but so little is done by people, that there isn't much info on it. People mod TII's and 4port engines more.
Where as the 6port, keeping it functional with 6ports is not going to yield 250hp. More like 180-200hp typically depending on the things you do. Say a '91 6port with pineapple racing sleeves, mildported, mazdatrix full dual exhuast, high flow air filter, and light flywheel will be a relatively fun engine(~200hp.)
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