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| Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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12-26-2019, 09:32 AM
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#1 |
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Leaky Injector
 Join Date: Dec 2006
Location: marysville, ohio
Posts: 103
Trader Rating: (2)
 Feedback Score: 2 reviews
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Rb26 itbs to fit rb25
So was contemplating install an rb26 manifold and itb setup on my rb25det neo. I see otaku garage has an adapter plate setup in order to do so.
My idea or question is why wouldn't it be easier to take the factor rb26 flange that bolts to the head, have it redrilled to match the rb25 bolt pattern and maybe have the rb26 bolt pattern filled in with weld? Does this sound feasible? |
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12-26-2019, 11:31 AM
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#2 | |
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Premium Member
 
Join Date: Jun 2003
Location: torrance, ca
Age: 39
Posts: 12,407
Trader Rating: (129)
  Feedback Score: 129 reviews
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my understanding is the spacing between the ports is not the same between 25 and 26.
__________________
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12-26-2019, 11:55 AM
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#3 | |
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BANNED
 Join Date: May 2019
Location: Florida-FAIL
Posts: 2,497
Trader Rating: (8)
 Feedback Score: 8 reviews
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Quote:
Thats not possiable not enough material to redrill the holes. Thats why u need the adapter flange. Just wondering why would u wanna use the itbs? Most rb26s that make power swap to a larger plenum. Factory intake has issuse restrictings air flow to cylinder 6. Also adapter kit is under $500 thats nothing in the world of rbs |
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