datsunlover Posted February 16, 2004 Share Posted February 16, 2004 Hey guys, I need to know if the SU carbs and manifold (says will fit 240/260) will bolt on to the L28 in my 75' 280z? Are there any diferences in the intake ports between carbs and FI engines? I want to bid on this, but don't ant to find out it is useless to me... BTW this is just something I want to get the car going for next year. My stock FI is all messed up, and eventually, I will swap in a 302/5 speed w/FI anyway. Anyone got concrete answers on these carbs/manifold? Quote Link to comment Share on other sites More sharing options...
datsunlover Posted February 17, 2004 Author Share Posted February 17, 2004 Um, sorry.. could someone move this post to a more apropriate forum please? I don't think it belongs in here.. I don't know that I was thinking! Quote Link to comment Share on other sites More sharing options...
SleeperZ Posted February 17, 2004 Share Posted February 17, 2004 As far as I know, the 240/260 carb stuff will bolt up and work on a L28E head. There are port notches and extra threads on the N42 head, but bolting up the early carb manifolds shouldn't be a problem. I can't say for sure, so someone who does needs to pipe up. Quote Link to comment Share on other sites More sharing options...
Guest bastaad525 Posted February 17, 2004 Share Posted February 17, 2004 yeah they bolt up fine. The problem comes when people try to do the other way around and bolt EFI up to earlier non EFI heads, due to those notches Sleeper mentioned. The later EFI heads like the N42 and P90 also still had the opening on the side for using the stock mechanical fuel pump as well, covered with a blockoff plate, oddly. Quote Link to comment Share on other sites More sharing options...
datsunlover Posted February 18, 2004 Author Share Posted February 18, 2004 Yah, I've noticed that plate.. (?) and other odd things that are probly a 'throw-back' from the older cars. Anyway, thanks for the info guys! Quote Link to comment Share on other sites More sharing options...
Guest Nic-Rebel450CA Posted February 18, 2004 Share Posted February 18, 2004 Ya, that is what I have on my Z. The 280 engine is actually from an 81, but the intake is from a 70 240z Quote Link to comment Share on other sites More sharing options...
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