GT Performance Mods 2005+ Mustang GT Performance and Technical Information

JBA Headers Installed!

Old Jan 3, 2005 | 08:19 PM
  #21  
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blksunshine: thanks for the refrence I'll give them a call.
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Old Jan 3, 2005 | 09:52 PM
  #22  
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I have visited JBA in San Diego, just left their performance shop on Conway and 59 Hwy. I was told they are using SCT Racer package to tune these cars with long tube headers. I purchased the same products from Truck Performance in California. I got the headers in stainless for $579.00 and the h-pipe for $175.00 with free shipping. I already have the SCT X-calibrator and am finding it somewhat difficult to perfect tuning as well. I already have JBA axle back exhaust and an MMR intake, hoping to break 300 rwhp with the headers and the correct tune. 273 rwhp with just the intake being the only mod installed. As for finding someone to help you tune try Ken at Modulardepot.com. SCT X-calibrator with PC cable to download tunes for $375.00. Ken has been helpful in sending tunes to me via e-mail and I install them with my home computer.
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Old Jan 3, 2005 | 10:09 PM
  #23  
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Did you purchase the long or short tube headers?
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Old Jan 3, 2005 | 10:12 PM
  #24  
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Originally posted by wild stray@January 3, 2005, 11:12 PM
Did you purchase the long or short tube headers?
Long tubes of course, I live in Missouri. No sniffer tests.
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Old Jan 3, 2005 | 10:24 PM
  #25  
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Thanks, nice pony by the way!
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Old Jan 3, 2005 | 11:04 PM
  #26  
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Originally posted by dhof303+January 3, 2005, 11:15 PM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (dhof303 @ January 3, 2005, 11:15 PM)</td></tr><tr><td id='QUOTE'> <!--QuoteBegin-wild stray@January 3, 2005, 11:12 PM
Did you purchase the long or short tube headers?
Long tubes of course, I live in Missouri. No sniffer tests. [/b][/quote]
must be nice stupid Cali emission laws
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Old Jan 3, 2005 | 11:16 PM
  #27  
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future, the worst part of it all, is even if your car passes the tests with flying colors, you will fail the visual inspection. Can't get it registered! Oh well, must be a little more creative.
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Old Jan 4, 2005 | 06:55 PM
  #28  
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Thanks everyone for all your help! I have begun "screening" potential Tuners. It's going to be a long hard prossess for sure. I want to avoid a hack job at all costs! As the CPU is the only thing on the Pony I won't be able to mod myself, so I'm going to have to find someone I can trust with it! I just spent 6 hours with my Tech at ford. I wanted him to check everything out and see what exactly the cpu was doing. It quite frankly was a can of worms! :bang: I had 2 lean codes which was the worst of them all (8 total), they were PO171 and PO174. The MMR intake was responible for 90% of the codes and the most serious of them. The 2 lean codes occur because the MMR intake flows to much air around the MAF sensor. The sensor (MAF) requires a certain amount of air to be forced through the small square opening on the sensor. It reads the preasure of that air to determine the proper air/fuel ratio's. The MMR intake has a bigger opening alowing more air to flow around the MAF sensor. This in turn decreases the preasure or the air flowing into the small hole through the MAF sensor. The computer basicaly reads a "leak" in the intake system because more air is going through the system via the larger opening and less air (preasure) is going through the small opening in the MAF sensor. As a result the computer copensates by making the air/fuel mixture much richer to avoid a dangerous and damaging lean condition from developing. This KILLS performance!! I took my MMR CAI off until I get a flash tune. The stock air box is back on and my car is running much better! The only code the headers are causing is the cat O2 sensors are missing. This code does not hurt performance. To be honest w/u I'm not verry happy with MMR's product. When replacing the stock box again(after flash tuner) I think I will personally opt for a CAI that is better engineered and more well made. The MMR looks cheap if you really look at it close and it dosent seem that any research at all went into thier product IMO. Those codes are not just a nussance (check engine light on) they can be a serious issue. At the very least your hampering performance at the worst well...Just passin on the information I'm gathering, hope it helps!
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Old Jan 4, 2005 | 11:38 PM
  #29  
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Vegasjay Hola Local Las Vegan. I talked to SCT today about getting my car tuned and they Gave me a number of a guy named ray and he said he could hook us Las Vegans up with a preprogrammed tuner. The come preprogrammed from SCT but Ray has already done a couple 2005 and has his own program with increases of up to 24 RWHP and 29 RWTQ. I left the number at my Girlfriends house but I will get back to you. I am going with a full Bassani kit myself. and a C&L intake once its released. Hey you should think of joining or car crew. well like I said I willget back to you with that number tomorrow
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Old Jan 5, 2005 | 12:43 PM
  #30  
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Originally posted by future9er24+January 4, 2005, 12:07 AM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (future9er24 @ January 4, 2005, 12:07 AM)</td></tr><tr><td id='QUOTE'>
Originally posted by dhof303@January 3, 2005, 11:15 PM
<!--QuoteBegin-wild stray
@January 3, 2005, 11:12 PM
Did you purchase the long or short tube headers?

Long tubes of course, I live in Missouri. No sniffer tests.
must be nice stupid Cali emission laws [/b][/quote]
Your not alone...Connecticut :angry:
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Old Jan 5, 2005 | 02:04 PM
  #31  
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I am looking forward to the dyno numbers when you get around to it.
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Old Jan 5, 2005 | 02:15 PM
  #32  
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Originally posted by davids2toys+January 5, 2005, 1:46 PM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (davids2toys @ January 5, 2005, 1:46 PM)</td></tr><tr><td id='QUOTE'>
Originally posted by future9er24@January 4, 2005, 12:07 AM
Originally posted by dhof303@January 3, 2005, 11:15 PM
<!--QuoteBegin-wild stray
@January 3, 2005, 11:12 PM
Did you purchase the long or short tube headers?

Long tubes of course, I live in Missouri. No sniffer tests.

must be nice stupid Cali emission laws
Your not alone...Connecticut :angry: [/b][/quote]
Only our county is regulated. The terrible part is all the traffic that comes from the surrounding counties with the black smoke coming out of their exhaust. And here I have to pay for them.
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Old Jan 5, 2005 | 06:19 PM
  #33  
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Thanks Brandon! Rays # would be very cool I would rather deal with someone local it would be much easier, and they could get to know my pony too. It's hard to find a good reputable Tuner! Are you in a car club in town? BTW: I found a cool licsense plate frame w/ the Punisher skull on it.
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Old Jan 5, 2005 | 06:32 PM
  #34  
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I will post Dyno results. I'm gona hold off until I get a tune. I don't see the point in dropin the cash for a dyno when I know she's not running quite right. When I feel I got it close, I'll dyno it and use that data to fine tune! You guys will know right after I do how I did and if the mods were worth it?
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Old Jan 5, 2005 | 07:25 PM
  #35  
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Originally posted by Vegasjay@January 5, 2005, 7:22 PM
Thanks Brandon! Rays # would be very cool I would rather deal with someone local it would be much easier, and they could get to know my pony too. It's hard to find a good reputable Tuner! Are you in a car club in town? BTW: I found a cool licsense plate frame w/ the Punisher skull on it.
Got a pic?
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Old Jan 5, 2005 | 11:32 PM
  #36  
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Originally posted by dhof303+January 3, 2005, 11:15 PM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (dhof303 @ January 3, 2005, 11:15 PM)</td></tr><tr><td id='QUOTE'><!--QuoteBegin-wild stray@January 3, 2005, 11:12 PM
Did you purchase the long or short tube headers?
Long tubes of course, I live in Missouri. No sniffer tests.[/b][/quote]
Wrong we do have them in Missouri You will never pass the visual but roll on until then.
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Old Jan 6, 2005 | 07:21 AM
  #37  
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Originally posted by Mongoose+January 6, 2005, 12:35 AM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (Mongoose @ January 6, 2005, 12:35 AM)</td></tr><tr><td id='QUOTE'>
Originally posted by dhof303@January 3, 2005, 11:15 PM
<!--QuoteBegin-wild stray
@January 3, 2005, 11:12 PM
Did you purchase the long or short tube headers?

Long tubes of course, I live in Missouri. No sniffer tests.
Wrong we do have them in Missouri You will never pass the visual but roll on until then. [/b][/quote]
Yes, laws are there, I have had 2 vehicles without cats for 5 years. In MO its not hard to find a shop that will pass you, at least not like it is in CA. Heck, 2 Ford dealers near my home have seen my previous 02 GT for service work (warranty) and haven't said a thing about my full exhaust without cats, CAI, shifter, gears, or underdrive pulleys. I even had $1280.00 in trans work covered.
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Old Jan 6, 2005 | 08:19 AM
  #38  
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In Arizona it has become quite interesting, at one time we were as tough as California, everybody HAD to get an emission test every year no exceptions whatsoever. I even had to get my 66' smogged Oh so long ago.... In the last 10 years though mandatory emission testing has fallen way off.

It seems as newer cars became cleaner, they quit requiring smog tests every year. I don't know exactly how they're determining it either. My 98 Civic was smogged once in the 4 years I had it. My 2000 Nissan Frontier has NEVER had a smog test, that's 5 years now!

So who knows how they're going to treat a new Mustang
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Old Jan 6, 2005 | 08:56 AM
  #39  
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I believe but don't quote me on this is that a new car you do not have to smog until it is 3 years old. I know for a fact that was true for my 99 honda, but someone told me it is 4 years for a new car. Correct me if I am wrong. BTW I'm in Calif. so this may not be true in other states.
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Old Jan 8, 2005 | 03:42 PM
  #40  
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Latest update: Got a call from JBA. Thier now saying that reps from Ford looked at thier 05 GT w/thier complete system on it (Long tube Headers, H-Pipe, Mufflers). Apperently there is a clearance issue on the passenger side at the frame/Headers, (I was thinking it was a bit tight ) Thier remedy is replacing the stock motor mounts w/Steeda mounts. Man I was considering doing this too! :bang: Doh! There is a slight rattling noise on hard acceleration, it's where the header is touching on the passenger side. Ford commented on how much this motor "shakes", causing this clearance issue.The Steeda mounts are solid compared to the stock hydra-mounts. JBA is also now welding in an extra set of sensor bungs so you can still run your cat O2 sensors eliminating that trouble code and the check engine light. Thier going to send me a set of the bungs so I can weld them in myself. One thing's for sure this is going to get expensive! JBA's on it, they are going to call me next week with some tuning info. Finally starting to make some progress! BTW: I have a funny little feeling this "personal" service may be a direct result from them learning of my posting here!! Thank's guys....Good job JBA!
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