GoRideSno

Which 928 mods are CARB legal?
Cat-Bypass?
Chip?
RMB?
Supercharger?
Carbon fiber intake manifold?
Individual throttle bodies?
Headers?
RRFPR?
Swap to Euro TB and runners?
Kickdown switch mod?
Extrude honed intake?
Port and polish?
Stroker?
SMT piggy back?
Airbox/Filter mods?
Ott x-pipe?
Cylinder boring?
Exhaust Mods?
Bored TB
New FMS 4 hole injectors?
Larger injectors?
Billet Cams
Cam Swap from different years?
Adjusted timing?
AFM to MAF conversion?
85-86 with S4 intake?
Varo Cam?
5.0 block w/ 4.? heads?
Re-engineered LH controller?
AC conversion?

If you have any of these, where do you live and are they legal there?

Please feel free to add more to the list!


Andy K

mspiegle

there is actually something called a "referee" where you can go and have something certified. I did not know this...

a bimmer buddy of mine swapped a worked S50 (newer M3 motor) into this '88 325i. He went to the ref, got it certified, and now he can goto any normal smog shop and have his car smogged legally.

also, i bet 1/2 of those mods are totally unnoticeable to most eyes... but that probably isn't the point to your post anyways.

onebad928s

as far as i know, over here in New York is that if your car did not come with it stock its technically not legal.

Lou
83 928 5speed

Lizard928

BC lower mainland

Cat-Bypass? - no
Chip? yes
RMB? yes
Supercharger? yes
Carbon fiber Intake manifold? yes
Headers? yes
RRFPR? ??? what is this again
Swap to Euro TB and runners? yes
Kickdown switch mod? yes
Extrude honed intake? yes
Port and polish? yes
Stroker? yes
SMT piggy back? what is this
Airbox/Filter mods? yes
Ott x-pipe? requires removal of cat so no
Bored TB yes
New FMS 4 hole injectors? yes
Adjusted timing? yes
AFM to MAF conversion? yes
85-86 with S4 intake? yes
5.0 block w/ 4.? heads? yes

Jim bailey - 928 International

The referee can "approve" engine swaps . A later model newer engine can be installed IF and only IF everything smog related is also updated to the exact equipment used on the newer engine and it meets the emissions of the newer engine model year .You may not install older engines in newer cars . The referee can not "approve" aftermarket modifications ! The manufacturer of aftermarket equipment can apply for a Carb # BUT must prove in a lengthy and expensive test cycle that the new parts do not increase emissions and will function correctly for a long time . That for small market , small manufacturer can be difficult to justify . Nearly all "hotrod" products are sold as "off road use only " what the buyer does after he gets the part is beyond the control of the manufacturer .

Joe Dyer

None are legal in California...
Well maybe kickdown switch and a port and polish ;-)

nicobel

...nothing is legal in CA....

Lizard928

hey Joe what they cant see wont hurt them, how are they going to know if you stroke it

mspiegle

thanks jim for setting me straight on that one, misinformation is bad.

bcdavis

The reason for the post, is because Randy was asking if the supercharger kits were CARB legal. The point is that NONE of the aftermarket modifications are legal in CA. It is illegal in CA to modify your engine in *any* way other than the stock configuration. So why not ask Devek if their products are CARB legal? They aren't. Neither is the RMB, or any other popular modifications that people talk about... So why mention the supercharger kits? No engine mods are legal in CA... Anything you do has to be hidden from the inspection...

In fact, I am betting that Randy's convertible conversion may not be legal...
I'm sure when you drasticly modify the structure of a car, the govt. has to re-certify it as crashworthy, stable, roadworthy, etc...

GoRideSno

Hey lizard,
Is BC chill or wack I didn't think something could be both. Maybe it is an expression like stupid fresh? It must be chill if all those things are legal.
AK

Fastest928

A point that must be made is the difference between what is legal and what you can get away with easily.

What you can get away with easily is easy: anything that is not visually noteable or different from a stock looking and functioning engine bay, AND, those items are "invisible" do not increase emissions.

One huge advantage to stroker kits....nobody will ever know.....

I looked at the cost of cert'ing stroker kits, and actually started the process. But, the hoops you need to jump through are unreasonable. Not only emissions, but the mods must not increase emmissions over time due to engine wear increase over stock. I think the length of that time was around 5 years/100K miles???

I firmly believe in supporting the efforts to keep our environment clean, but it would be good to have a little slack cut once and awhile....maybesoon I will be able to run that 78....no holds barred.

Marc
DEVEK

bcdavis

I've said it before: All smog checks should be at the tailpipe only.

If it passes, it passes.

Normy

Everything is "legal" in Florida-

NO INSPECTION whatsoever!

N!

Joe Dyer

I agree, but we were talking "legal" here.
Hey, I'm the one with the very visable race only SC under the hood.
It's gonna be interesting in a year.