Nissan 240SX Forums banner
1 - 20 of 24 Posts

·
Registered
Joined
·
48 Posts
Discussion Starter · #1 ·
as much as i've searched and searched, i haven't been able to find a straight forward answer to engine swap questions. so now, i would like to ask the community if anyone was able to legally pass their ls1 in california. if someone could give me maybe just a simple yes or no answer that would be awesome. :chicken
 

·
Registered
Joined
·
775 Posts
As far as I know there is nobody in Cali with a legal V8 swap. People have been swapping V8s into RX-7s for quite a while longer than the 240s and there is only 1 Cali legal V8 powered RX-7.
 

·
Registered
Joined
·
7,497 Posts
yeah especially when you can goto a fake smog shop (not that i condone it) and have it smog just dont get pulled over by the cops
 

·
Registered
Joined
·
775 Posts
that makes it pointless to me if im putting an ls1 in my car i dont want to lose power i want to gain some
You would make a lot more power and torque by switching out the stock KA and dropping in a LS1. You would only lose power compared to a smog illegal LS1, not the KA.
 

·
Premium Member
Joined
·
9,568 Posts
I thought any engine swap in general was illegal in cali? thats what I always understood anyways, I dont live there or anything so im not sure or anything.
 

·
Registered
Joined
·
775 Posts
I thought any engine swap in general was illegal in cali? thats what I always understood anyways, I dont live there or anything so im not sure or anything.
There are basically three guidelines for an engine swap in Cali.

1. The engine must be the same year or newer than the chassis it's going in.
2. You can only use engines out of the same type of vehicle. Only car engines can go in cars, only truck engines can go in trucks ECT.
3. The new engine must have all of the emissions equipment from the donor car (or a like vehicle) installed into the new car and be operational.

Say you have a OBD I 240SX and legally swap in an OBD II LS1, your car will be viewed by the state as an OBD II car and you can never go back to OBD I again.
 

·
Registered
Joined
·
775 Posts
Sure, GM's recently even come out with a 50 state legal "LSx and all the smog equipment in a crate" package to make it easy if you've got the money for that package.
And of all the cars they decide to drop that emissions legal combo into it ends up being a freaking smog exempt Bel-Air!!!

I've seen Sikky, they are a sponsor over at LS1Tech. They're still overpriced like Hinson.
 

·
Registered
Joined
·
11 Posts
do it yourself and save alot of money, build your own mounts, wire harness, etc and with all the money saved buy new sensors for the swap, if you did the right job it will pass, i just moved from cali and will only go back to visit, i moved to one of the states where you dont smog your car "Wyoming" where the red necks in cummins diesels "roll cole" all day so none of this is and issue for me. in cali i almost never passed emissions in any of my camaros ( ive owned 5) because of strict epa guidlines. "if you build it they will come" (the epa)
 

·
Registered
Joined
·
370 Posts
There are basically three guidelines for an engine swap in Cali.

1. The engine must be the same year or newer than the chassis it's going in.
2. You can only use engines out of the same type of vehicle. Only car engines can go in cars, only truck engines can go in trucks ECT.
3. The new engine must have all of the emissions equipment from the donor car (or a like vehicle) installed into the new car and be operational.
So if you only have to follow those guidelines then is it technically possible to have a smog legal sr20 in CA.
 

·
Registered
Joined
·
622 Posts
^ 'cept the part that the engine came from japan, so from my understanding SR is illegal with these guidelines.
 

·
Registered
Joined
·
11 Posts
not too sure about sr's did you give up on the ls swap? i had an lq4 in a 94 camaro and it passed the smog, but i used all the sensors and computer and also changed the gauges to a newer 98 and up obd 2 ones, to keep the check engine light functional, in california you can have 2 flashing icons and pass the smog, any more than that it is a promised fail. just do more research and youll find what your looking for.
 
1 - 20 of 24 Posts
Top