Engine Swap Process here in CA - Toyota Nation Forum : Toyota Car and Truck Forums
Corolla 7th Generation (1993-1997) Specific discussion of the 7th generation

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post #1 of 28 Old 05-21-2019, 01:33 AM Thread Starter
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Engine Swap Process here in CA

Hey guys in the future I would like to swap my engine for another like a 4AGE or any others you guys reccommend?

I live here in CA and I want to make sure when I swap engines it's still legal especially with smog and everything. Anyone out here in CA done a engine swap and how was process. I read you have to get new engine inspected and make sure it passes certain guidelines.

Also what other engines are good fit. I was also looking into engines from a 98-02 Corolla. Just want something with a bit more horsepower
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post #2 of 28 Old 05-21-2019, 10:27 AM
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Pretty sure CA requires the transplanted engine to be newer than the car.

@DannoXYZ and @Haloruler64 will probably have more info.

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post #3 of 28 Old 05-21-2019, 10:36 AM
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Same MY or 1 MY newer is the rule in CA. You should be fine as long as it's the same as when it left the factory.

Some people are under the impression that JDM engines are legal. Unfortunately, they aren't since they lack the smog requirements of CA. Now, if the donor vehicle is Federal certified, you should speak with the Smog Referee for more details.

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post #4 of 28 Old 05-21-2019, 01:17 PM Thread Starter
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Same MY or 1 MY newer is the rule in CA. You should be fine as long as it's the same as when it left the factory.

Some people are under the impression that JDM engines are legal. Unfortunately, they aren't since they lack the smog requirements of CA. Now, if the donor vehicle is Federal certified, you should speak with the Smog Referee for more details.

Would importing a 4AGE be ok then since they came stock on them overseas.

Im leaning more towards a 4AGE but just want to make sure I won't have issues down the road smogging it.
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post #5 of 28 Old 05-21-2019, 01:57 PM
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Would importing a 4AGE be ok then since they came stock on them overseas.

Im leaning more towards a 4AGE but just want to make sure I won't have issues down the road smogging it.
Years ago I did a swap and just kept the original engine ready to go and would swap it back in for the smog check only. Weekend out and a weekend back in. I did maintenance on my swapped out motor while it was on the stand.
Keep in mind they can change the rules while your project is under construction.
https://bar.ca.gov/Industry/Engine_C...uidelines.html

Do you have any family in a friendlier State? Register it there!
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post #6 of 28 Old 05-21-2019, 02:16 PM Thread Starter
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No I don't have family in another state. Ill look into it.

So it might be easier to just put another engine from a car here in the US instead of an imported one from Japan like the 4AGE
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post #7 of 28 Old 05-21-2019, 03:25 PM
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Where are you located OP? California has a basic and enhanced areas when it comes to smog testing.

California is only getting more strict as time goes on for vehicles prior to 1996 or OBD0 and OBDI vehicles. Their belief is that the dynamometer portion of the test is where most failures occur. If a vehicle isn't able to hold 3k rpm @ 25 mph for 45 seconds or hold 2500 rpm @ 15 mph, then it's emitting too much NOx and HC out.

Therefore, unless you are going to use the Corolla on the track, the fines and penalties will out weigh in the favor of California.

It's cheaper to retire the Corolla and replace it than mess with California.

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post #8 of 28 Old 05-21-2019, 03:29 PM
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Originally Posted by Pete Suhman View Post
Pretty sure CA requires the transplanted engine to be newer than the car.

@DannoXYZ and @Haloruler64 will probably have more info.
It has to be same generation to pass smog inspection. No idea how the Honda guys do it, but it's not impossible.

As a matter of fact, back in 2015 or maybe 14, smog operators got rounded up in a sting for illegal smogs.

High price to pay to drive in California. Jail time and lots of fines.

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post #9 of 28 Old 05-21-2019, 03:44 PM Thread Starter
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Originally Posted by 75aces View Post
Where are you located OP? California has a basic and enhanced areas when it comes to smog testing.

California is only getting more strict as time goes on for vehicles prior to 1996 or OBD0 and OBDI vehicles. Their belief is that the dynamometer portion of the test is where most failures occur. If a vehicle isn't able to hold 3k rpm @ 25 mph for 45 seconds or hold 2500 rpm @ 15 mph, then it's emitting too much NOx and HC out.

Therefore, unless you are going to use the Corolla on the track, the fines and penalties will out weigh in the favor of California.

It's cheaper to retire the Corolla and replace it than mess with California.
I'm in Central valley/Merced county area.
I'm not gonna use far for track, it's my daily. I just wanted it to have a bit more horsepower. Cuz I notice it doesn't accelerate too fast. So just wanted to see what options i would have for changing engine since I know California is strict.

I don't wanna retire it either I love my Corolla and just wanted to see options I had out there.

So I would be able to put a 98-02 Corolla engine in it or probably not?
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post #10 of 28 Old 05-21-2019, 04:55 PM
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You can use a 97 or 98 engine. Nothing more.

In the garage,

9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"
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post #11 of 28 Old 05-21-2019, 05:10 PM Thread Starter
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You can use a 97 or 98 engine. Nothing more.
So 97 or 98 even if my car is a 1993?
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post #12 of 28 Old 05-21-2019, 05:11 PM
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93 or 94 only then.

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post #13 of 28 Old 05-21-2019, 05:43 PM
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Originally Posted by 75aces View Post
93 or 94 only then.
Pretty ridiculous.

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post #14 of 28 Old 05-21-2019, 06:03 PM
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Originally Posted by Pete Suhman View Post
Pretty ridiculous.
This route might work? A performance shop near me says "most" turbo systems are legal if the emission systems aren't removed. Being a 1993 you have less smog crap than most newer cars.
They show another kit for a different engine, didn't know which your car has in it.
https://www.turbokits.com/Toyota/Cor...Turbo_Kit/827/

Or you could go the old fashion route and get all your research and ducks in a row and build it with the internals of a matching motor from a different year that performs better. Pistons, cam, head work, polish intake etc.
Looks stock and they can't see inside

Last edited by sdspeed; 05-21-2019 at 06:15 PM.
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post #15 of 28 Old 05-21-2019, 06:56 PM
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Quote:
Originally Posted by sdspeed View Post
Quote:
Originally Posted by Pete Suhman View Post
Pretty ridiculous.
This route might work? A performance shop near me says "most" turbo systems are legal if the emission systems aren't removed. Being a 1993 you have less smog crap than most newer cars.
They show another kit for a different engine, didn't know which your car has in it.
https://www.turbokits.com/Toyota/Cor...Turbo_Kit/827/

Or you could go the old fashion route and get all your research and ducks in a row and build it with the internals of a matching motor from a different year that performs better. Pistons, cam, head work, polish intake etc.
Looks stock and they can't see inside <img src="https://www.toyotanation.com/forum/images/ToyotaNation_2014/smilies/tango_face_devil.png" border="0" alt="" title="Devil" class="inlineimg" />

The only way this gets accepted is if the kit is CARB certified. Only kit I have seen CARB certified is for the Miata. Kit was built by Jackson Racing.

Companies have realized that it takes a lot of money and R&D just to even get the parts in front of CARB. Most won't even consider it now since it's more strict.

In the garage,

9th Gen Corolla XRS
2012 Mazda 5

"If it ain't broke yet, it's probably still working like a Swiss time piece; until you open it up and all hell breaks loose"
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