IanL Posted October 3, 2017 Share Posted October 3, 2017 I am swapping out my L28et for a rebuilt L24 w/ triple webers. A head-scratcher for most but, nonetheless, the direction I want to go with the car. Looking for any prior experience/guidance on making the swap back to NA. I did some searching but no luck. The turbo set up is out of an 83 ZXT. Swap was done in the early 2000s by a shop in Illinois. Not particularly comfortable with electrics so, the wiring harness is of particular concern. Quote Link to comment Share on other sites More sharing options...
ZHoob2004 Posted October 3, 2017 Share Posted October 3, 2017 What have you got for an ignition setup on the l24? When you're going to carbs, the only wires you need are for your ignition, and if you have something like the 280zx matchbox distributor it's dead simple to hook up. Quote Link to comment Share on other sites More sharing options...
madkaw Posted October 3, 2017 Share Posted October 3, 2017 I would take out the whole harness with the engine to sell as a package . You only need the hot ignition lead for the coil . Quote Link to comment Share on other sites More sharing options...
cgsheen Posted October 3, 2017 Share Posted October 3, 2017 (edited) The L28ET ECCS harness (engine harness) is pretty much self-contained. You won't need any of it for an L24 setup. You won't be using the turbo coil and ignitor - there may be some wiring there to be removed also. There will be some relays that they would have to add and wiring connections into the 240Z harness(es) that you will no longer need. Anything that ties to the ECCS harness can be disconnected and removed. Getting the stock harnesses back to normal will entirely depend on how they did the turbo swap and if they eliminated any of the stock wiring when they did it. If you're not familiar with stock 240Z wiring, that may be difficult to know what - if anything - they changed or removed. Good thing is: 240Z engine wiring is pretty simple. Alternator may be something to look at. If they switched over to the internally regulated alternator that would be stock on the L28ET, you may want to just stick with that rather than going back to a stock 240Z alternator... BTW, I'll take your turbo engine ... Edited October 3, 2017 by cgsheen Quote Link to comment Share on other sites More sharing options...
KevvinG Posted October 3, 2017 Share Posted October 3, 2017 Just like others have said it's a pretty simple setup! The wiring you'll need for the L24 is extremely basic, you can ditch just about everything off that L28ET harness, keep the alternator and it's wiring as it's a worthwhile upgrade. Other than that all you'll need to wire up is starter, coolant temp sender, oil pressure sender, and distributor! Then plumb up fuel and your rad hoses and you're all set. I've got a set of Weber 40DCOE's with manifold and electromotive HPV-1 distributorless ignition setup I'll be selling this winter as I'm doing an RB26 swap. If you're interested in either or have any question give me a shout! Quote Link to comment Share on other sites More sharing options...
IanL Posted October 4, 2017 Author Share Posted October 4, 2017 Thanks for all the info guys! Besides the alternator, any other accessory parts to the l28et motor that are a worthwhile upgrade to the l24? Quote Link to comment Share on other sites More sharing options...
datsun_dom Posted October 11, 2017 Share Posted October 11, 2017 Is the L28et for sale?😀😀😀 Quote Link to comment Share on other sites More sharing options...
IanL Posted October 11, 2017 Author Share Posted October 11, 2017 18 hours ago, datsun_dom said: Is the L28et for sale?😀😀😀 Once the engine is out of the car I will post it for sale. Quote Link to comment Share on other sites More sharing options...
ErikT Posted November 2, 2017 Share Posted November 2, 2017 Let me know how you deal with the wiring. I just pulled an EFI out of my 1973 and I'm going back to carbs. I'm just trying to decide if I want to go with the L24 or F54 with carbs. Erik Quote Link to comment Share on other sites More sharing options...
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