280zx built worth it?? t67 by turbonetics
07-24-2012, 11:53 PM
#26
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Join Date: Apr 2012
Location: victorville
Posts: 95
Lol, a stock KA24DE makes more power than l28e, n/a for n/a, and put a turbo on that motor and it will make more power than an L28et. An L28 with no turbo is slower than a KA24DE. My point is if the OP is going to have his friend assist him on rebuilding the car from the ground up, do the head work. A head with decent port work will make more power given its higher efficiency than a stock head.
Why throw more boost when you can run less boost and stress the motor less? Take a look online at BigPhil's friend with the worked head on his L28et. 9 pounds of boost and he was around 300 hp. To get nearly the same amount of power took me ~17 psi on a T3/T4 with a stock head using JWT's 4bar ecu setup. If it is about efficiency, then head work should be a priority and not one of the last things to do. Ask TonyD on Hybridz of the importance of head work on a Datsun. It's the biggest key to unlocking the potential in the L series along with a tune to match it.
Don't get me wrong, the L28 is a great all around street motor, but it isn't the best bang for buck motor around. That would be a small block Chevy like the LSX series.
OP, if you're going to stick with an I-6 and don't want an L-series, go Toyota 2JZ. The parts are much easier to source due to the Supra being sold in the U.S. RB parts are still pretty easy to come by, but general maintenance is made a lot easier if you go JZ. But that swap is no walk in the park either, and you will have to fab up a lot of custom stuff. Anyway, at the end of the day it's your car so you should do what you think will leave you happiest.
Why throw more boost when you can run less boost and stress the motor less? Take a look online at BigPhil's friend with the worked head on his L28et. 9 pounds of boost and he was around 300 hp. To get nearly the same amount of power took me ~17 psi on a T3/T4 with a stock head using JWT's 4bar ecu setup. If it is about efficiency, then head work should be a priority and not one of the last things to do. Ask TonyD on Hybridz of the importance of head work on a Datsun. It's the biggest key to unlocking the potential in the L series along with a tune to match it.
Don't get me wrong, the L28 is a great all around street motor, but it isn't the best bang for buck motor around. That would be a small block Chevy like the LSX series.
OP, if you're going to stick with an I-6 and don't want an L-series, go Toyota 2JZ. The parts are much easier to source due to the Supra being sold in the U.S. RB parts are still pretty easy to come by, but general maintenance is made a lot easier if you go JZ. But that swap is no walk in the park either, and you will have to fab up a lot of custom stuff. Anyway, at the end of the day it's your car so you should do what you think will leave you happiest.
no disrepect but i think doing a v8 swap is wack. basically your driving a chevy .. and the 2jz cost to much and parts for it are too... i want to stay with the nissan fam.
07-25-2012, 12:00 AM
#27
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Join Date: Oct 2001
Location: San Diego
Posts: 1,220
It's all good, no offense taken. I'm just throwing ideas out there for you. There are many ways to setup a Z car. Like I said, it's your vehicle so do what you like best to your car. Personally I'd love to do a JZ swap into one, but right now I cannot afford to have another project car on my hands. 
Keep us posted on your car's progress though.
Keep us posted on your car's progress though.
07-25-2012, 12:09 AM
#28
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Join Date: Apr 2012
Location: victorville
Posts: 95
It's all good, no offense taken. I'm just throwing ideas out there for you. There are many ways to setup a Z car. Like I said, it's your vehicle so do what you like best to your car. Personally I'd love to do a JZ swap into one, but right now I cannot afford to have another project car on my hands. Keep us posted on your car's progress though.
Keep us posted on your car's progress though.and i think im gonna go with the ka, because i want to auto cross racing. so i heard the ka is a good in low end torque
07-25-2012, 03:23 PM
#29
Just remember... the 280zx has a close to perfect 50/50 weight distrib. Swapping in a light weight KA24 will throw that off a bit. Weight distribution is very important for racing.
We already have a thread here about swapping a supercharged KA24DE into a 280zx... dunno if he ever finished it tho... he stopped posting half way through the build.
We already have a thread here about swapping a supercharged KA24DE into a 280zx... dunno if he ever finished it tho... he stopped posting half way through the build.
07-25-2012, 11:42 PM
#30
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Join Date: Apr 2012
Location: victorville
Posts: 95
Just remember... the 280zx has a close to perfect 50/50 weight distrib. Swapping in a light weight KA24 will throw that off a bit. Weight distribution is very important for racing.
We already have a thread here about swapping a supercharged KA24DE into a 280zx... dunno if he ever finished it tho... he stopped posting half way through the build.
We already have a thread here about swapping a supercharged KA24DE into a 280zx... dunno if he ever finished it tho... he stopped posting half way through the build.
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