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Author
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Topic: Question for tuning on my 86 5.0
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86xchpstang
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Member # 11800
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posted
 
 
So I just recently got some things installed in my car (systemax intake mani, 47lb injectors, 340lph fuel pump) and a dyno tune. So my question is if I install a afm power pipe (i have a bbk cold air right now) and/or a bigger 75mm TB (I have a bbk 70mm right now) will I have to get it tuned again???
Posts: 94 | From: california | Registered: Mar 2012
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moeofit32
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Member # 10393
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posted
it will throw your air/fuel ratio off by how much i dont know but it will change things for sure....i say retune better safe then sorry
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95 stroked and blown cobra
Posts: 2387 | From: antioch ca | Registered: Oct 2010
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86xchpstang
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Member # 11800
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posted
Ok. Damit! What about just the afm pipe?
Posts: 94 | From: california | Registered: Mar 2012
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moeofit32
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Member # 10393
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posted
to my knowledge any change can be harmful to the motor if your racing it once its been tuned and u change something......if u are not ripping on the throttle or swinging donuts it wont kill it as i drove around without ripping on the throttle in my stang with a blower and no tune for a few weeks
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95 stroked and blown cobra
Posts: 2387 | From: antioch ca | Registered: Oct 2010
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SLOWSN95
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Member # 8269
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posted
Normal driving should be just fine, your 02 sensors will take care of that. You personally may not even notice a difference during a WOT pull. But because you made changes after the tune, you should at least throw it on a dyno and check where your air/fuel is at.
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94' GT
347 Stroker
MM Suspended
2003 SB SVT Lightning
Pullied and Lowered
89'Hatch-SOLD
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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86xchpstang
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Member # 11800
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posted
Ok guys thx so much for all the info!!! Looks like I'll have to wait until I get a turbo or sc to dyno it again
Posts: 94 | From: california | Registered: Mar 2012
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nitrous_bob
CAFords OG
Member # 77
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posted
quote:
Originally posted by 86xchpstang:
So I just recently got some things installed in my car 47lb injectors, 340lph fuel pump
when your talking about 800 hp you should just burn a custom chip
most guys here can give advice to about the limits of a blown stroker, and no more than 500 or so hp
your in BIG BOY territory
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5.0 OG since 1990
Posts: 1402 | From: st clair shores MI | Registered: Nov 2000
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89Rodknocker
CAFords OG
Member # 2951
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posted
47lbs injectors on a na build? what u got a monster motor or preparing for some type of forced induction. id put some smaller injectors in it until your blown.
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89 lx (stolen and stripped)
94 gt runner (sold)
89 lx Stock(sold)
86 gt T-trim (sold)
73 Camaro BBC
01 5.0 Explorer limited Borlas (sold)
Posts: 2488 | From: Bay Area | Registered: Jun 2003
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86xchpstang
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Member # 11800
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posted
Yeah sc or turbo kit. Soon!!! I don't drive it much!
Posts: 94 | From: california | Registered: Mar 2012
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