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Old 01-06-2010, 06:54 PM   #1 (permalink)
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Installed AFE Stage II on 300 SRT8-HELP

I just installed the AFE Stage II Intake with the dry filter on my 2006 300 SRT8. When I hit the throttle at 60MPH + on the highway the car seems sluggish(And this is with the 93 CAI Perf Predator Tune) and makes a choppy sound, like it is not getting enough air. Hard to describe. THe AFE did not have the rubber gasket for the MAF sensor, so I made one from a little silicone and electrical tape. Does the MAF have to be positioned a certain direction to work properly? I think this may be the problem? THe first gear take offs are sick, but seem sluggish at speed when more air is coming through the intake. Thanks for the help...
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Old 01-06-2010, 08:48 PM   #2 (permalink)
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Originally Posted by ssapienza View Post
I just installed the AFE Stage II Intake with the dry filter on my 2006 300 SRT8. When I hit the throttle at 60MPH + on the highway the car seems sluggish(And this is with the 93 CAI Perf Predator Tune) and makes a choppy sound, like it is not getting enough air. Hard to describe. THe AFE did not have the rubber gasket for the MAF sensor, so I made one from a little silicone and electrical tape. Does the MAF have to be positioned a certain direction to work properly? I think this may be the problem? THe first gear take offs are sick, but seem sluggish at speed when more air is coming through the intake. Thanks for the help...
Check your PM's.
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Old 01-06-2010, 10:30 PM   #3 (permalink)
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Can you post pics?

There is no rubber gasket around the MAF that needs to be included, you pull it out of the stocker and put it in the AFE. Point the open end into the airflow. If you rub a little WD-40 onto your fingers and lube up the base of the MAF it goes in with a little finesse.
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Old 01-06-2010, 10:44 PM   #4 (permalink)
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Can you post pics?

There is no rubber gasket around the MAF that needs to be included, you pull it out of the stocker and put it in the AFE. Point the open end into the airflow. If you rub a little WD-40 onto your fingers and lube up the base of the MAF it goes in with a little finesse.
That was my concern. I sold him the AFE, and didn't send him any rubber grommet because the only one I had was the one that came on the car from the factory. I'm assuming that the factory one is still left in his stock intake.
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Old 01-07-2010, 03:39 AM   #5 (permalink)
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please...

There is no MAF (mass air flow) in these cars anywhere!

The sensor you are speaking of is the IAT (intake air temp). Like Eric said, point the open end into the airflow.

I really hope this is the only problem, I am concerned about the choppy sound.
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Old 01-07-2010, 06:50 AM   #6 (permalink)
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The IAT is fairly delicate. It is quite common for people to damage the IAT during removal or reinstallation.

Check for DTC's with your Predator.
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Old 01-07-2010, 07:55 AM   #7 (permalink)
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Quote:
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There is no MAF (mass air flow) in these cars anywhere!

The sensor you are speaking of is the IAT (intake air temp). Like Eric said, point the open end into the airflow.

I really hope this is the only problem, I am concerned about the choppy sound.
Great point, I've been reading his questions and replacing the MAF with IAT automatically in my mind. lol Weird...
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Old 01-07-2010, 09:02 AM   #8 (permalink)
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At 60 mph and in D you'll be in 5th gear and about 2100 RPM IIRC... not exactly the power band of these cars. With the 93 CAI tune you should downshift with aggressive throttle action and burst into the power band... but you didn't mention the tranny downshifting, only that the car was sluggish.

Try manually downshifting to 4th (autostick bump left) or even 3rd and then hit the throttle. It should set up back in your seat quite nicely. You can approach 110+ mph by redline in 3rd ya know)... at least that's been my experience at the track.
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Old 01-07-2010, 09:37 AM   #9 (permalink)
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Quote:
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Great point, I've been reading his questions and replacing the MAF with IAT automatically in my mind. lol Weird...
LOL - me as well. Thanks for keeping us honest Steve
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Old 01-07-2010, 03:05 PM   #10 (permalink)
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You can approach 110+ mph by redline in 3rd ya know)... at least that's been my experience at the track.
Actually, in D, you'll upshift into 4th at around 118 under WOT....since I've never been above 140ish, I don't know if there's a WOT shift point into 5th...I can imagine that a throttle position above a certain value (85%, perhaps?) will prevent the car from shifting into 5th in D....
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