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  1. -25% to -30% Fuel Trim at Idle, worried about CA SMOG

    4.6L Tech
    I am about at my wits' end... A few weeks ago, I took all of my non-CARB compliant parts off and put my stock parts on to go get smogged here in the People's Republic of California. Well as soon as I did that, I started throwing misfire codes in cylinders 2 and 8. I swapped COP’s and still...
  2. Smog Removal

    Classic Tech
    Hello. I have a '67 Mustang (San Jose built) with a 289/2bbl. I am now in New Mexico and want to remove the smog system as I have no plans to move back to California. I did some research and got some plugs for it only to find out that they were way too small for the openings I need to plug...
  3. What is a thermactor and should I remove it?

    Classic Tech
    Hello. I'm in the process of resto-modding my 1965 Mustang coupe, and I think it may have a thermactor but I'm not sure. So I have some questions. 1. What is a thermactor? 2. How do I tell if I have one? 3. Are there any benefits to removing it? Does it effect horsepower? Here are 2 pictures...
  4. Missing Pulleys affecting functionality?

    5.0L Tech
    I bought an 87 notchback a few months back and since I wasn't familiar with mustangs at the time I didn't notice anything strange. Then I started messing with underdrive pulleys and things of that nature and noticed something was strange whenever I looked up a serpentine belt diagram for a 5.0...
  5. 2000 mustang smog pump

    V6 Tech
    I have a 2000 mustang V6 with automatic. I am not able to get the electric air/smog pump to run at startup when the engine is cold. Also my check engine light is on and the code is P0412. First of all I have replaced the air/smog pump, CCRM, and relay attached to the air pump and I have checked...
  6. Will 2011 GT without CA emissions pass a smog test?

    2011 - 2014 Mustang GT Tech
    Hi, I'm looking at buying a used 2011-2012 Mustang GT possibly online. This would mean that I would possibly get a non-CA emissions approved vehicle. I know if it doesn't have the sticker it has to have at least 7500 miles on it for CA to consider it a used car. Once it's past that mark...
  7. Looking for CA legal mid-pipe for 2008 Mustang GT

    2005-2010 Mustang GT Tech
    This is my first post on here however I have been reading through these threads for a while now but this time I need some help. I just moved to California and its time for the smog test. I have an 08 GT/CS with a MAC off road X pipe, stock manifolds and Pypes exhaust (I no longer have the...
  8. CA smog legal swaps ricers vs mustangs

    5.0L Talk
    Just here to be enlightened and blow some steeam I dont get it how u can swap almost any engine into a honda/integra/nissan even if it was never offered for tha specific model and even have engines shipped from japan that were never offered in the USA and still somehow pass smog in CA:nono:. But...
  9. California Smog check on 06 GT with Bama Tune info

    2005-2010 Mustang GT Tech
    Hey gang, I did some searching around on this topic before hand, so I thought I would help out anyone else looking for info. I am running the FRPP CAI with a 91 Performance tune. Took it in today for the CA smog test and passed with no problems. Thanks to Chris Rose for answering my PMs while...
  10. CA legal cold air intake: suggestions?

    5.0L Talk
    Can anyone recommend a cold air intake (filter + tube arm) that is CA legal? And not too spendy? Thanks! Trying to pass the damn visual smog test . . . To see if i can even pass the real smog test n
  11. car will not idle after it warms up

    5.0L Talk
    i hope there is someone out there smarter than i am. I have a 1994 mustang cobra, all stock, just as it came from the factory. this was my daily driver (i have a 1970 torino convertible as my toy). i just rebuilt the engine and transmission after 1/4 million miles. I put everything back in and...
  12. How to Delete Smog Lines?

    5.0L Tech
    I need some help, the guy I bought my car from a while ago deleted the smog pump and left all the smog lines hanging around, the only ones that are coming from the black vacuum cluster are the one that goes to the egr and the one to the intake. How to I go about getting rid of this mess behind...
  13. EO number for a cold air intake on 2000 Mustang GT

    4.6L Tech
    Hi All, I am looking for the EO number of a Roush Cold Air Intake on 2000 Mustang GT I recently bought. I need it for the Smog to clear. Can anyone please help. Thanks, VP
  14. 1986 mustang gt smog pump removal w/o a/c

    5.0L Tech
    Hello I have a 86 mustang gt 5.0. It has no a/c no cats, no o2 etc.. The way I bought it dual flowmaster loud as can be. but it has balls of steel with only 67k. had to do some frame welding and all and the floors need to be replaced do to crappy patching from inside the car. but I have a squeal...
  15. 1992 Smog Pump Problem

    5.0L Tech
    Recently I noticed a "squeaking" noise coming from my engine. I figured out it was the smog pump. when I spun the pulley it makes a bad squeaking sound. Do I need a new smog pump? or could I get new bearings for it? or do I need a new pulley?
  16. 5.0 intake for SMOG. Ca DMV is the best isn't it.

    5.0L Tech
    I have a 1989 GT which I recently bought with a bbk intake already installed. Unfortunately it did not come with the CARB sticker or any paperwork for California smog. I have been trying to locate a stock intake to make it cheap and easy but I should know better than that by now. Does anybody...
  17. Mustang Help! Failed Smog

    5.0L Tech
    So I'm looking for a new car and the fellow down the road owns 5 (was 6) mustangs. He has always worked on them and done various upgrades to each car. He is selling an 87 (If i remember correctly) mustang that was converted to look like a Saleen and suspension is Saleen as well by the previous...
  18. dead givaways for 351 swap in a fox

    5.0L Tech
    my block cracked in my mustang so im thinkin 351 with my trick flow heads would be bad ass since i live in California it needs to pass smog ,but how would a smog checker know i have a 351 vs my 302 its just a taller deck height do they check casting numbers or something, maby if i got a ford...
  19. 351 efi swap smog legal in california

    5.0L Tech
    ok thinking about selling the vortech and cobra motor in the stang and eaither doing a 347 with h/c/i or being bad ass and stroking out a 351 to a 408 and h/c/i it has to be efi and for sure needs to be smog legal in california if i cant smog a 351/408 i will go the 302/347 route
  20. 1966 Mustang 289-need help identifying part

    Classic Tech
    Hi everyone, I have a 1966 coupe with a 289 v8. From the vin number and door tag plate I know this was a California car. The engine has remnants of the emissions smog system still on it, but I'm planning on removing it completely. However, there's some kind of valve screwed into my intake...