Review and install guide for the MSD Atomic AirForce intake manifold. - Page 4 - LS1TECH



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Old 05-09-2016, 12:20 PM
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Review and install guide for the MSD Atomic AirForce intake manifold.

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Old 04-16-2015, 11:09 PM   #61
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Looks to me like the bracket needs to bolt under the fuel rail were the brass boss is and wrap around to the left.
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Old 04-17-2015, 07:01 AM   #62
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Looks to me like the bracket needs to bolt under the fuel rail were the brass boss is and wrap around to the left.
The problem with that is now you have an "S" bend in the cable, which is less than ideal.
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Old 04-17-2015, 07:08 AM   #63
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It's difficult to tell, but can you just rotate the L-bracket around 180*? That should buy you a little more clearance.
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Old 04-17-2015, 11:38 AM   #64
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Well, I'm going to check something when I get home.
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Old 04-17-2015, 02:01 PM   #65
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I have mine hooked up but it just isn't running right. Has a high idle and is running terrible. Does anyone know if there's anything I need to reprogram or anything after switching from an OE throttle body to 102mm FAST one? I'm pretty sure the throttle body is causing my problem
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Old 04-17-2015, 03:05 PM   #66
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I have mine hooked up but it just isn't running right. Has a high idle and is running terrible. Does anyone know if there's anything I need to reprogram or anything after switching from an OE throttle body to 102mm FAST one? I'm pretty sure the throttle body is causing my problem
I would think you definitely need a re-tune. What intake are you running?
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Old 04-17-2015, 03:12 PM   #67
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yes you need a tune...your running air flow tables will be off due to how much more air the 102 is flowing. Aside from that the Fast TB is one of the worst units to get the idle sorted out.
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Old 04-17-2015, 05:30 PM   #68
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yes you need a tune...your running air flow tables will be off due to how much more air the 102 is flowing. Aside from that the Fast TB is one of the worst units to get the idle sorted out.
Agreed. I bored all the air flow holes out yesterday at work on my FAST 92. They were so tiny. Made a world of difference at low speeds and start up.
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Old 04-17-2015, 09:59 PM   #69
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That's not what I wanted to hear lol. Thanks though. Do I have to do an iac relearn procedure of some sort? I'm finding tons of completely different ones I'm not sure which one to do I have a 2002 z28. I have a Diablo in-tune tuner is this something I can straighten out with that? I just got it so I don't know much about it. I was looking at getting an hp one but I don't know a whole lot about tuning and it looked pretty advanced. Thanks for the help!
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Old 04-18-2015, 06:17 AM   #70
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Allen, you do need a tune, from a real tuner, using HPTuners or EFILive, it's not something you can get out of a handheld tuner.

Well, back to the topic at hand.

There's a reason why I don't work on the car late at night, after a long day. I checked after work yesterday and I was adjusting the throttle cable wrong. I was pulling on the plastic cable sleeve, thinking it would make it 'longer', but it actually makes the amount of cable coming out of the end shorter. So I adjusted it, and all is fine now.

I'm just waiting on an AN fitting to come and I can start the motor.
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Old 04-18-2015, 08:45 AM   #71
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If I went to a 92mm TB do you think I would still need a tune?
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Old 04-18-2015, 10:27 AM   #72
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Yes you still need a tune. I am not sure why you feel a tune is a set back? Contact LSx power tuning and have them do a base tune of you are not comfortable with doing it yourself.
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Old 04-18-2015, 12:56 PM   #73
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Might I suggest a pair of 45* AN fittings on the front of the rails. Curve the line in front of the intake over the TB.

Glad to hear some initial thoughts about the intake. I'll never own one though. FAST 102 fits with whiskers space between it and my hood.

It looks like it will be much better for boost than the fast design. (three top center bolts)
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Old 04-18-2015, 07:38 PM   #74
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How much higher is the MSD than the Fast 102. With that throttle cable mount it looks quite a bit taller.
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Old 04-19-2015, 05:55 AM   #75
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It fits perfectly fine under my hood, but I have a WS9 outlaw hood, so it sits up a little higher than a WS6 hood.
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Old 04-19-2015, 06:42 PM   #76
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Is the throttlebody sitting lower than stock location? It looks to be low
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Old 04-19-2015, 06:44 PM   #77
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I don't think it's any lower, it's that the manifold is that much taller.
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Old 04-19-2015, 11:35 PM   #78
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That throttle bracket...holy crap. That's terrible. Ugly and way out of place. Looks like it needs to have a bracket that sits lower/closer to the intake and extends forward just a bit. Like was said already, I bet turning it around will help a bit.
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Old 04-20-2015, 08:15 AM   #79
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That throttle bracket...holy crap. That's terrible. Ugly and way out of place. Looks like it needs to have a bracket that sits lower/closer to the intake and extends forward just a bit. Like was said already, I bet turning it around will help a bit.
It might not be pretty but it's well engineered. The bracket actually can't be turned around because it is bent at an angle and would pinch the cable if you rotated it.
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Old 04-20-2015, 11:37 AM   #80
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Right in the instructions, they state that if running a manual throttle body, you will need to figure out a mount. Who knows, maybe they will or are working on that at this time, and will have something in the future, I don't know.
I think that was a poor decision on their part. Hopefully their new bracket is readily available in the future.
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