mossy Posted August 8, 2017 Share Posted August 8, 2017 EOI for N47 efi head off a r30 skyline (closed chamber head) road rider 1 Quote Link to comment Share on other sites More sharing options...
theremm Posted August 8, 2017 Share Posted August 8, 2017 Are these as/equally as desirable as the E88 efi heads? road rider 1 Quote Link to comment Share on other sites More sharing options...
C.A.R. Posted August 8, 2017 Share Posted August 8, 2017 Are these as/equally as desirable as the E88 efi heads? Not sure, but I think Mossy is about to find out! PB260Z and gav240z 2 Quote Link to comment Share on other sites More sharing options...
road rider Posted August 9, 2017 Share Posted August 9, 2017 Are these as/equally as desirable as the E88 efi heads? Not sure, but I think Mossy is about to find out! Closed chamber is the key word here E88 or N47........I wouldn't say no to either of them for a naturally aspirated engine P90 for a turbo set up Quote Link to comment Share on other sites More sharing options...
road rider Posted August 9, 2017 Share Posted August 9, 2017 (edited) And the N47 is a EFI head. I think that some N47's also had steel liners on the exhaust ports. Maybe Mossy can confirm if this has them or not. Edited August 9, 2017 by road rider Quote Link to comment Share on other sites More sharing options...
mossy Posted August 9, 2017 Author Share Posted August 9, 2017 Yep round exhaust ports and liners Quote Link to comment Share on other sites More sharing options...
dat2kman Posted August 9, 2017 Share Posted August 9, 2017 Chamber volume is same as n42 heads, and those steel inserts restrict flow. Not sure if they can be machined out, or how they are set in? Maybe as part of original casting process. Quote Link to comment Share on other sites More sharing options...
mossy Posted August 12, 2017 Author Share Posted August 12, 2017 Got a bare N42 head also that can go with this Quote Link to comment Share on other sites More sharing options...
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