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Author *Topic: 3400 FWI Install  (Read 3329 times)
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DiscoStudd(4) Euro(3) 99RegalGS(2) AWeb80(2) Lingenfelter(2) Dstanic(2) mfewtrail(1)
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DiscoStudd
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« on: July 14, 2007, 04:04:56 PM »

Well I, too have joined the fray of homemade 3400 FWI's.  

I cheaped out on the filter and bought a $24 PepBoys ricer special instead of springing $69.99 for a genuine K&N.  Otherwise I took a 14 1/2" length of 3" ABS, glued it to a 45* street elbow on one end, and tied the other end into the MAF with a rubber coupler.  







Where the pipe passes through the core support, I installed a rubber roof flashing.  I attempted to hold it to the core support with some double-sided tape, but the tape wouldn't hold against the flashing.  I'm thinking about making a frame out of some aluminum strapping to keep it in place against the core support.







I also ran a pipe clamp to the inner fender to hold the pipe in place above the PCM and core support, and away from the headlight.





I also bought and installed a PCM Tray, as the PCM normally resides inside the stock airbox.

Anyways, a week after installation, all appears to be well.  No vibrations, squeaks, or rattles are present.  I'm not too sure whether or not I gained any HP, but the thing sure does sound cool when you drop the hammer while you're cruising at highway speed!
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Kevin B.
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« Reply #1 on: July 14, 2007, 07:53:40 PM »

Yay for fenderwell intakes!!!!
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-Sean
99 Regal GS : L67 / 4T65E-HD
Mods: 3.5" pulley, 4" FWI, Tinted Headlights, 180* T-stat, Walbro fuel pump, Woodgrain delete, GMPP Handling kit, 04 Radio swap.
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« Reply #2 on: July 15, 2007, 09:40:09 AM »

Sweet!!!
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« Reply #3 on: July 15, 2007, 06:52:59 PM »

When you want to step up to a K&N, check out ajusa.com Kevin. They usually have lower prices than anyone else on them.

EDIT: S&B filters are another option, they're on par with K&N's or supposedly a bit better.
http://www.bakerprecision.com/sandb1.htm
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DiscoStudd
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« Reply #4 on: July 15, 2007, 08:30:51 PM »

Quote from: "mfewtrail"
When you want to step up to a K&N, check out ajusa.com Kevin. They usually have lower prices than anyone else on them.

EDIT: S&B filters are another option, they're on par with K&N's or supposedly a bit better.
http://www.bakerprecision.com/sandb1.htm
Cool man, thanks for the info! thumbup
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Kevin B.
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« Reply #5 on: July 15, 2007, 08:43:49 PM »

Awsome.  It's nice having room on these cars to make FWI/CAI unlike my GP which had a bunch of shit (including the battery) in the way...
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Dave _ 2003 Impala LS_ berry metallic _ SERIES II 3800
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« Reply #6 on: July 16, 2007, 09:37:15 AM »

Quote from: "MrSelfDestruct"
Awsome.  It's nice having room on these cars to make FWI/CAI unlike my GP which had a bunch of shit (including the battery) in the way...


that is why my battery is in the trunk...

..and FWI's sound sweet on 60*'s.
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DiscoStudd
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« Reply #7 on: July 16, 2007, 10:31:41 AM »

Quote from: "MrSelfDestruct"
Awsome.  It's nice having room on these cars to make FWI/CAI unlike my GP which had a bunch of shit (including the battery) in the way...
Amen to that!
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Kevin B.
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« Reply #8 on: July 16, 2007, 01:44:54 PM »

If I didn't have to bother with swapping out in the winter to avoid potential motor damage, I would put one in for sure.
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« Reply #9 on: July 16, 2007, 02:45:13 PM »

if I didn't have to take of my whole damn bumper, cut up my inner fender well, I'd totally do this too!!!
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« Reply #10 on: July 16, 2007, 04:08:12 PM »

Quote from: "Euro"
if I didn't have to take of my whole damn bumper, cut up my inner fender well, I'd totally do this too!!!


With GPs it's easy to just pop out the headlight for racing isn't it?  I have no idea about Impalas...
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Dave _ 2003 Impala LS_ berry metallic _ SERIES II 3800
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« Reply #11 on: July 16, 2007, 05:11:35 PM »

Impala FWI usually go directly behind or slightly below the driverside headlight. When you take it to the track, you take out the driver side headlight to allow additional air into the area.

From NewImpala forums, you could try looking up 04DetroitLS. He has done this several times and taken pictures of his car with the light removed. He also runs 13.5's in the quarter mile, but that's another story wink
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« Reply #12 on: July 16, 2007, 05:38:29 PM »

Quote from: "MrSelfDestruct"
Quote from: "Euro"
if I didn't have to take of my whole damn bumper, cut up my inner fender well, I'd totally do this too!!!


With GPs it's easy to just pop out the headlight for racing isn't it?  I have no idea about Impalas...


Yeah it's pretty easy I've heard.  I haven't tried it yet though.
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DiscoStudd
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« Reply #13 on: July 17, 2007, 12:36:10 AM »

Impala headlight removal procedure:

1.) Raise hood
2.) Remove 3 "push-in" style retaining clips from splash shield between grille and core support, and remove splash shield
3.) Remove 2 white clips from each side of headlight
4.) Remove headlight
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Kevin B.
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« Reply #14 on: July 17, 2007, 03:10:38 PM »

I have a S&B filter for my intake. $30 shipped for a 8" filter!!! MUCH cheaper then K&N!
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-Sean
99 Regal GS : L67 / 4T65E-HD
Mods: 3.5" pulley, 4" FWI, Tinted Headlights, 180* T-stat, Walbro fuel pump, Woodgrain delete, GMPP Handling kit, 04 Radio swap.
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