4port to 6port adapter???
#1
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4port to 6port adapter???
Does anyone know if there is a simple adapter available to bolt a 4port intake manifold onto a 6port NA engine?
I could make my own but would prefer to just buy something simple if it's readily available.
Thanks!
I could make my own but would prefer to just buy something simple if it's readily available.
Thanks!
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Is there something other than that I'm missing? I don't have a 4port engine here to test fit so I'm going by what i can see in pictures.
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#8
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Yes, there is an adapter to go from 13B 4 port to 13B 6 port..
I made 30 of them on the CNC mill back in 2004. All of them sold.. would make more if they were more in demand...
Lately when asked I just for this, I just weld the 4 port manifold up, and then re- machine it to fit the 6 port motor
In this thread:
https://www.rx7club.com/1st-generation-rx-7-1979-1985-parts-101/brand-new-13b-4-port-13b-6-port-48-idf-intake-manifolds-f-s-882061/
You can see where I took a 13B 4 port manifold and changed it to 13B 6 port...
I made 30 of them on the CNC mill back in 2004. All of them sold.. would make more if they were more in demand...
Lately when asked I just for this, I just weld the 4 port manifold up, and then re- machine it to fit the 6 port motor
In this thread:
https://www.rx7club.com/1st-generation-rx-7-1979-1985-parts-101/brand-new-13b-4-port-13b-6-port-48-idf-intake-manifolds-f-s-882061/
You can see where I took a 13B 4 port manifold and changed it to 13B 6 port...
#9
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I was playing with it the other way - I wanted to put my much-modified 6-port intake on early-style 4-port housings. (It was modified to port-match to Turbo II housings - bolt pattern is the same, but the runners are just a little different )
I think there might be enough metal to drill and tap, but it'd be sketchy. And of course, the port mismatch.
I think there might be enough metal to drill and tap, but it'd be sketchy. And of course, the port mismatch.
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Yes, there is an adapter to go from 13B 4 port to 13B 6 port..
I made 30 of them on the CNC mill back in 2004. All of them sold.. would make more if they were more in demand...
Lately when asked I just for this, I just weld the 4 port manifold up, and then re- machine it to fit the 6 port motor
In this thread:
https://www.rx7club.com/showthread.php?t=882061
You can see where I took a 13B 4 port manifold and changed it to 13B 6 port...
I made 30 of them on the CNC mill back in 2004. All of them sold.. would make more if they were more in demand...
Lately when asked I just for this, I just weld the 4 port manifold up, and then re- machine it to fit the 6 port motor
In this thread:
https://www.rx7club.com/showthread.php?t=882061
You can see where I took a 13B 4 port manifold and changed it to 13B 6 port...
Thank you. This answered my question perfectly. You don't happen to have any of those carbs or manifolds still for sale do you?
#12
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Actually I do..
I have about 25 of the Brand New 13B 4 port IDF manifolds left
And..
I still have the one in the pics, I modified from 13b 4 port to 13B 6 port...
In regards to the 48 IDF carb, I dont have any used ones...but I do have 2 Brand New..
See the pics
Last edited by Japan2LA; 10-24-10 at 12:38 PM.
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