mase:) Posted March 3, 2011 Report Share Posted March 3, 2011 hi, one of my friends was wondering if it would be possible to switch out his stock coils in the back of his 2002 gmc envoy to aftermarket bags, something like slam specialties. he is a pretty good fabricator and he would make some strong brackets on top and bottom of the bag to secure them in place of the old coils. he also wanted to not use a air tank or compressor and in place of them just have a few hand valves and tire fills to fill his bags up with a outside tank (like a home compressor). all this to be able to lower his suv when just driving and when he tows or puts his dirt bike rack and bike on he can pump the pressure up so it does not sag like old people :0 come concerns were how fast would air leak out even with a good sealed setup? what would be some good size bags to use and good brands? what psi would you guess he would need? Link to comment Share on other sites More sharing options...
white4d96 Posted March 3, 2011 Report Share Posted March 3, 2011 Use a tank and comp or forget it. Too many projects, too little time... Link to comment Share on other sites More sharing options...
zachfowler222 Posted March 3, 2011 Report Share Posted March 3, 2011 why doesnt your friend just get air springs? my buddy has them on his Dakota r/t and u release air to lower it and hook up a air compressor to raise it.... thats alot smart idea instead of making your own stuff plus they are only like 250 or 300 I SCAM PEOPLE OUT OF MONEY... AVOID ME LIKE I AM AN AIDS INFECTED RETARD... Link to comment Share on other sites More sharing options...
bumonskateboard6 Posted March 3, 2011 Report Share Posted March 3, 2011 This has got bad idea written all over it...if he wants air suspension he needs to save and get air suspension not half ass it...my 2c Current Systems: 2011 BMW 335i Hertz HDP1 DC LVL3 12" Full Carbon Fiber 2002 Acura TlKenwood DNX9980HD2 DCLVL4 12" Subs with LVL5 Parts D.7 CoilsDC 3.5kHertz HSK-165 up front HCX-165 RearHertz HDP4 AmpDC Power Engineering 260 Amp AltBig 3 and amp powered with KNU 1/0XS Power D2400 Up Front i pulled out my dick in class many of times and had it shown. get over it bitch...stupid open legged hairy beavered bitch... going over rms = smaller box, under rms = bigger box... Low voltage doesn't blow amps. That's a myth. A router that does the sub holes makes rounded edges also? Link to comment Share on other sites More sharing options...
BlitZ Posted March 3, 2011 Report Share Posted March 3, 2011 the only time i would run that type of setup is if it was for helper bag setup. if he wants to replace the springs with bags i would HIGHLY recommend even a small tank and onboard compressor... old set up Alpine IDA-X305S Memphis M-Class 4x6" Focal Access 6.5" Hifonics BRZ2100.1D 2x DC Audio Lvl 4 15's Big 3, DR44 Alt, Yellow Top http://www.youtube.com/user/SicNoma003 Link to comment Share on other sites More sharing options...
mase:) Posted March 3, 2011 Author Report Share Posted March 3, 2011 could he run something like this (first link) in the back. lot less modifying and still no tank like in my second link.(read above the picture of the bag) http://cgi.ebay.com/ebaymotors/GMC-ENVOY-2-NEW-REAR-AIR-SPRINGS-2002-2009-/200564758797?pt=Motors_Car_Truck_Parts_Accessories&hash=item2eb297590d http://forums.trailvoy.com/showthread.php?t=10075 Link to comment Share on other sites More sharing options...
wL<3bass Posted March 3, 2011 Report Share Posted March 3, 2011 How is this halfway? I would not recommend taking the coils springs out but add the bags as helpers is the same as an aftermarket helper kit... I have it done on my Blazer to handle the extra weight. Vehicle: 1997 S10 Blazer 4dr 4X4 Exterior: Rear End Bagged, Black Grill, Lifted 2" Amplifiers: Rockford Fosgate T8004 & T10001bd Batteries: 2 Stinger SPV35, Kinetik HC2400 Electrical: Big 3, DC Power 290amp Alternator w/ MLA at 15.5v Enclosure: 4.2 ft³ @ 33Hz 84sq.in. of port (20sq.in. per cube) Headunit: Eclipse CD3200 w/ 80G iPod Mids/Highs: Rockford T152s (a-pillars), Rockford T162s (doors) Subwoofers: 1 15" Fi BL Fully Loaded Wire: All 1/0g Kicker Hyperflex My YouTube Videos My Fiberglass A-Pillar Build My "Seamless" Looking Box Build My DD1508 T-Line Bandpass Build "Seamless" w/ Acrylic Windows (for '05 TrailBlazer) My Stealth 8" Fiberglass Build (for '05 TrailBlazer) My Build For A Friend's '08 Cobalt 15" BL Sealed Off From The Trunk My feedback/references... Link to comment Share on other sites More sharing options...
wL<3bass Posted March 3, 2011 Report Share Posted March 3, 2011 Here's my setup with stock rear leaf springs to handle 400lbs+ pounds of stereo weight... Vehicle: 1997 S10 Blazer 4dr 4X4 Exterior: Rear End Bagged, Black Grill, Lifted 2" Amplifiers: Rockford Fosgate T8004 & T10001bd Batteries: 2 Stinger SPV35, Kinetik HC2400 Electrical: Big 3, DC Power 290amp Alternator w/ MLA at 15.5v Enclosure: 4.2 ft³ @ 33Hz 84sq.in. of port (20sq.in. per cube) Headunit: Eclipse CD3200 w/ 80G iPod Mids/Highs: Rockford T152s (a-pillars), Rockford T162s (doors) Subwoofers: 1 15" Fi BL Fully Loaded Wire: All 1/0g Kicker Hyperflex My YouTube Videos My Fiberglass A-Pillar Build My "Seamless" Looking Box Build My DD1508 T-Line Bandpass Build "Seamless" w/ Acrylic Windows (for '05 TrailBlazer) My Stealth 8" Fiberglass Build (for '05 TrailBlazer) My Build For A Friend's '08 Cobalt 15" BL Sealed Off From The Trunk My feedback/references... Link to comment Share on other sites More sharing options...
mase:) Posted March 3, 2011 Author Report Share Posted March 3, 2011 well he wants to be able to drop his rear down level with the front for looks. he wants the best of both worlds, looks and functionality of the hitch Link to comment Share on other sites More sharing options...
mase:) Posted March 3, 2011 Author Report Share Posted March 3, 2011 also i dont see what can go wrong. the worst is that he looses his air and has to get to a gas station to fill back up, or fix a airline or replace a bag, but that can happen to anyone with bags. if its done right its not going to be dangerous or anything. right? Link to comment Share on other sites More sharing options...
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