Blakely Posted September 6, 2018 Report Share Posted September 6, 2018 Hello, I have a 1985 Nissan d720 4wd king cab pickup. My z24 engine works fine but yet has had a couple of blown head gaskets in the past. I would like to in the future change the z24 engine for something with a little more power, and of course something that will line up with the transmission. What type engine would give me a little more power and line up with my transmission. Appreciate any help and advice. 1 Quote Link to comment
Bleach Posted September 6, 2018 Report Share Posted September 6, 2018 KA24DE from a Nissan Frontier. 1998+ 1 Quote Link to comment
Blakely Posted September 6, 2018 Author Report Share Posted September 6, 2018 Awesome appreciate it will check it out, thanks 1 Quote Link to comment
bottomwatcher Posted September 7, 2018 Report Share Posted September 7, 2018 Check out Cryteck89 post before you start swapping. I am running a ka 24e swap and yes it is fantastic but you need good mechanical and welding skills to pull it off. And for the folks that tells you it Is a bolt up not totally true. Read Cryteck89 post then come back for questions. 2 Quote Link to comment
weldingrod Posted September 7, 2018 Report Share Posted September 7, 2018 Friend of mine once put a Ford 302 V8 into an old Mazda pickup but it was basically a total cab rebuild to get it in. 1 Quote Link to comment
Bleach Posted September 7, 2018 Report Share Posted September 7, 2018 12 hours ago, bottomwatcher said: Check out Cryteck89 post before you start swapping. So where is this thread about Cryteck89's swap? I've done many searches and nothing shows up on Ratsun, the internet, or even our user list. There is no such user on Ratsun or otherwise. 1 Quote Link to comment
Charlie69 Posted September 7, 2018 Report Share Posted September 7, 2018 Cryteck89 was a registered user before the last Ratsun software update. https://ratsun.net/topic/72232-how-to-ka24de-swap-into-720/ Quote Link to comment
Bleach Posted September 7, 2018 Report Share Posted September 7, 2018 OH, ok. Crytek not Cryteck Quote Link to comment
Blakely Posted September 7, 2018 Author Report Share Posted September 7, 2018 Couldn’t find him either, I will look up crytek 1 Quote Link to comment
bottomwatcher Posted September 7, 2018 Report Share Posted September 7, 2018 Sorry for the misspelling. This is the most comprehensive documentation of a ka swap I could find. He did this after I did mine and I would always cringe when someone says the ka is an easy bolt in swap. It takes some fortitude and Crytek89 documented the "easy drop in replacement" well. Maybe someone could pin this since this question gets asked so often? The only 720s I have seen on craigslist in my area are ka swaps that need to be completed. 1 Quote Link to comment
Crytek89 Posted September 8, 2018 Report Share Posted September 8, 2018 Oh Hey. 1 1 Quote Link to comment
Crytek89 Posted September 8, 2018 Report Share Posted September 8, 2018 There's a couple options for the 720 in terms of swap matching trans. First and foremost, I do believe it needs to be a 5-speed manual transmission. The KA24E from the D21 Pickup The KA24DE from the D22 Navara/Frontier Oil pan modification: KA24E/KA24DE from Nissan 240sx (S13) 1989-1991 (OBD1) 1 Quote Link to comment
datzenmike Posted September 8, 2018 Report Share Posted September 8, 2018 If going into a 720 you would be better off with a truck oil pan. The car is front sump with clearance in the back for the steering. Trucks are more center or rear sump because there has to be room in the front for the steering and the cross support. 240sx top and D21 bottom. The 240sx is also deeper to clear the crank girdle. <<<<< front this way Cannot argue the value of having a 5 speed with the monster over drive with a KA. Certainly there is enough power and the mileage would be better. There was actually a 4 speed option for the '88 and '89 D21. 1 Quote Link to comment
Crytek89 Posted September 8, 2018 Report Share Posted September 8, 2018 2 minutes ago, datzenmike said: If going into a 720 you would be better off with a truck oil pan. The car is front sump with clearance in the back for the steering. Trucks are more center or rear sump because there has to be room in the front for the steering and the cross support. Absolutely. If you can find a truck KA (E or DE) you'll have a much easier time accomplishing this swap as you won't need to modify the oil pan or oil pickup. (I did, it sucked, trust me). 2 Quote Link to comment
bottomwatcher Posted September 8, 2018 Report Share Posted September 8, 2018 Good to see you back Crytek89. If you have a 4x4 you will have to modify the oilpan to clear the front diff. I did this by combining the naps z and ka pan. Also the ka trans belhousing is about 5 degrees different from the naps z trans. This caused my trans to be kicked over to the passenger side, I trimmed the tunnel where the shifter was hitting and the trans mount flexes enough to let this ride. When I bought Redeyes mounts he was not sure if they would work in a 720. They work real well but could be improved to make the 720 trans stand up straight. I am not complaining redeye they saved me hours of work. Crytek89 modified his own so the difference in bellhousings was accounted for. These are small hurdles. I know the ka trans for the 240sx is super long, I have no idea on the length of the ka truck trans is. The 4 wheel drive ones are married to the transfer case so it would have to be a 2wd trans. 1 Quote Link to comment
Charlie69 Posted September 8, 2018 Report Share Posted September 8, 2018 13 hours ago, Bleach said: OH, ok. Crytek not Cryteck Do not feel bad Bleach, I misspelled it also here and in my search. I got lucky and found it and did not even realize I was misspelling his screen name. Good to see you posting Crytek! 1 Quote Link to comment
Crytek89 Posted September 8, 2018 Report Share Posted September 8, 2018 2 hours ago, Charlie69 said: Good to see you posting Crytek! Thanks! Engine's still running good, gotta do some frame work though, salted winter roads finally got to it. 1 Quote Link to comment
datzenmike Posted September 8, 2018 Report Share Posted September 8, 2018 Rain should wash that off.... 1 Quote Link to comment
Crytek89 Posted September 10, 2018 Report Share Posted September 10, 2018 I've finally gone ahead and updated the swap How-To with proper wiring diagram for the KA for those interested. 1 Quote Link to comment
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.