bbk shortie header swapp problems help - Mustang Evolution

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Old 02-15-2014, 12:42 PM   #1
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bbk shortie header swapp problems help

i recently had my mechanic change my factory headers with some shortie bbk headers and noww the car feels like it has zero acceleration since im waiting for my high flow cats i am running no cats i got a sct chip in my car sr cold airintake but idk mabey cause the open cats but i thought the chip fixes that ?
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Old 02-15-2014, 01:00 PM   #2
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Did you go to bigger piping? Are you sure there is no exhaust leak?
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Old 02-15-2014, 05:01 PM   #3
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Have a farting noise?
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Old 02-15-2014, 05:54 PM   #4
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Have a farting noise?
yes nasty noise on the passenger side and yes went with 2.5 pipes awhile bak but never caused problems
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Old 02-15-2014, 11:47 PM   #5
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Something is unplugged that shouldn't be but that noise on the pass side might be the idiot didn't put a gasket on the right header flange or just didn't torque right. This is why I hate shops and don't trust mechanics. They will never give even half a **** as much about your car as you will.
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Old 02-16-2014, 08:55 AM   #6
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^yeh your so right they dont really care actually they think they make more when you still have to take it back lol but ima just work on it myself like i was going to since the beginning only reason i didnt do it myself is i was working and get paid more a hour than it was gona take me so i paid the mechanic so i could make money im going to post some pics aint gonna help but here goes nothing
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Old 02-16-2014, 09:11 AM   #7
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I'd take it back to him and make him fix it for free honestly. And if he's the "boss" and he won't then you'll have to DIY but make sure to post negative reviews on google reviews/yahoo/forums/everywhere.
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Old 02-17-2014, 08:44 AM   #8
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lol jup but hes a old man and hes good with his word he would but fix it but i think its going to be diy lol but idk about his eyes dont get me wrong he is a awsome mechanic but hes just let time get the best of him to be 68 and under my mustang lol the last 5 years have been hitting him so probly diy job i was only charged a 100 to put the headers lol i read online some people pay 500-800 dollars on shops so just waiting on my high flow cats to arrive today and c what happens
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Old 02-17-2014, 12:44 PM   #9
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No codes either ?

Could be broken gasket ,
Or he didn't install it correctly

He has to fix it , he did it

---------- Post added at 01:44 PM ---------- Previous post was at 01:44 PM ----------

Remember to always use FORD
F.O.R.D gaskets .. Aftermarket ones are junk
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Old 02-17-2014, 03:46 PM   #10
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I've had great luck with the dead soft aluminum gaskets but for regular header gaskets I like the Fords.
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Old 02-17-2014, 04:14 PM   #11
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think it could be the now open cats im supposed to get them today. or shouldnt my chip fix that?
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Old 02-18-2014, 11:55 AM   #12
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yes nasty noise on the passenger side and yes went with 2.5 pipes awhile bak but never caused problems

Could be the flange on driver side. Go under and have someone rev the engine and if you hear it from there just tighten it up. Only 2 bolts

---------- Post added at 11:55 AM ---------- Previous post was at 11:55 AM ----------

Sorry ment passenger side
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Old 02-18-2014, 12:32 PM   #13
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Yeah ma pops thinks its that but would that affect the cars performance ? Would think it would run better open ??? but got my cats today wen I get off work in 40 hours will c if that helps and have them tighten the flange and headers again
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Old 02-18-2014, 02:04 PM   #14
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Quote:
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Yeah ma pops thinks its that but would that affect the cars performance ? Would think it would run better open ??? but got my cats today wen I get off work in 40 hours will c if that helps and have them tighten the flange and headers again
It would run great at high RPMs, but you lose all your low end exhaust velocity
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Old 02-18-2014, 04:57 PM   #15
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very true very true aww man cant wait to go back home to work on my car !
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Old 02-20-2014, 10:56 AM   #16
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Quote:
Originally Posted by scottydsntknow View Post
Something is unplugged that shouldn't be but that noise on the pass side might be the idiot didn't put a gasket on the right header flange or just didn't torque right. This is why I hate shops and don't trust mechanics. They will never give even half a **** as much about your car as you will.
Yeah some plugs were unplugged and the headers were not torqed right now I think the gasket is f*^%$d I tried tightening it helped a bit but still leaking now what
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Old 02-20-2014, 11:17 AM   #17
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Ahhh... After my X-pipe install and P.I. Swap, I had to double check EVERYTHING... I replaced the passenger header flange (was leaking) and found a lot of vacuum lines were not tight. Runs great and my mpg is awesome again. DIY because no one is going to be as thorough as you

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