t2 rebuild...which ports should i go with?
10-31-05, 09:27 PM
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t2 rebuild...which ports should i go with?
hey, im doing a t2 rebuild..and wanted to get some ported housings...wondering if these housings that i found on here, are decent, and will flow good. I have never ported a rotary engine, and need some advise.
https://www.rx7club.com/showthread.php?t=477206
The engine is an s4 t2.. bassically i will have all the mods to back up these ports, but i want to know if they look decent..any advise would be appreciated!
https://www.rx7club.com/showthread.php?t=477206
The engine is an s4 t2.. bassically i will have all the mods to back up these ports, but i want to know if they look decent..any advise would be appreciated!
10-31-05, 09:48 PM
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If you don't know if it will flow good, how do you know you have all the mods to back it up?
You're saying you have..
Standalone EMS?
Extreme fuel injectors?
A turbo big enough to even TOUCH being able to use those ports?
I don't believe it. If you don't know if these flow well, then I am 99% POSITIVE you do NOT have these mods.
You're saying you have..
Standalone EMS?
Extreme fuel injectors?
A turbo big enough to even TOUCH being able to use those ports?
I don't believe it. If you don't know if these flow well, then I am 99% POSITIVE you do NOT have these mods.
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10-31-05, 09:53 PM
#8
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He will have the fuel system and he will have standalone, and he will have at minimum 3 inch exhaust. . He has never ported a rotory before that is why is is asking how these ports look .. don't be a deuch bag
10-31-05, 10:49 PM
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Very large.
1. There is no bevel on the port, in stock form there is a 2mm bevel on the port to help with the transition for the apex seals. Without this it'll cause faster wear, if you get these housings you should add it.
2. It no longer has sleeves. Expect to have an increase in coolant temperatures because of this. The sleeves help with heat transfer but without them the coolant flow with be heated up more.
3. Very large and very wide, not sure who did the porting but it's hard to say what kind of support the apex seals would have with those.
I wouldn't buy them.
1. There is no bevel on the port, in stock form there is a 2mm bevel on the port to help with the transition for the apex seals. Without this it'll cause faster wear, if you get these housings you should add it.
2. It no longer has sleeves. Expect to have an increase in coolant temperatures because of this. The sleeves help with heat transfer but without them the coolant flow with be heated up more.
3. Very large and very wide, not sure who did the porting but it's hard to say what kind of support the apex seals would have with those.
I wouldn't buy them.
11-01-05, 02:01 PM
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bah. From the way he was asking, it didn't seem like he noticed how much would need to be put in to run these housings...including multiple rebuilds for the lack of a bevel..
11-01-05, 02:12 PM
#14
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Originally Posted by teggyforlife
when i say id have the supporting mods...mean's ill buy what i have to.. if i wanted 300-350whp, are these ports way to big?
You could make that power on stock ports, ya know.
11-01-05, 02:31 PM
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lol..thanks..i know i dont KNOW much about rotarys (moving here from Hondas!) and i appreciate all of your feedback.. I have a buddy whos familar with all this stuff, and hes on the board...ill take some pics when i start to get work done to the 7. Who thinks i should just stay stock ports? or say **** it and get the motor ported..im only looking for 300-400 at the max...
11-01-05, 02:50 PM
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It's easier to get to 300-400 with a ported engine, but yes it can be done stock port. Stock port it'll just be harder and more expensive, USUALLY, depending on your resources available.
I'd say give it a good, efficient port. Nothing like those housings have.
I'd say give it a good, efficient port. Nothing like those housings have.
11-01-05, 04:55 PM
#17
Originally Posted by dDuB
It's easier to get to 300-400 with a ported engine, but yes it can be done stock port. Stock port it'll just be harder and more expensive, USUALLY, depending on your resources available.
I'd say give it a good, efficient port. Nothing like those housings have.
I'd say give it a good, efficient port. Nothing like those housings have.
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