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Old 12-22-2006, 06:10 PM   #1
BBBsti LTD
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Default Any recomendation on electric impact gun??

I am going to change my springs soon and I was thinking on getting an impact gun/wrench to remove the 19 mm bolts on the struts. I found this impact wrench at SEARS with around 1056 in/lbs of torque. Is that enough/too much? How much torque should I look for that kind of work??? I dont have space to get a compresor, that would be the ideal tool.

Any recomendation on electric or batery tools?
This one is batery operated...
http://www.sears.com/sr/javasr/produ...seBVCookie=Yes
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Old 12-22-2006, 06:24 PM   #2
2gnt2wrx
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I think that would be more than enough. I just bought the craftsman impact driver and got an adaptor for it for less than half the price. It also came with the 19v driver 2 batteries and a charger for $110. I have yet to use it but im sure it will do the job.

http://www.sears.com/sr/javasr/produ...seBVCookie=Yes
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Old 12-22-2006, 06:33 PM   #3
BBBsti LTD
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Thaks for your quik reply.... I saw your and obiously $$$ sound better, I was not sure for the TQ needed to breake loose those bolts!!!! Also the tip or where you connect the socket looks kinda weird, is that 3/4, 1/2 or 3/8??
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Old 12-22-2006, 06:41 PM   #4
2gnt2wrx
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The one shown is a 1/4 inch but they make a 3/8 also which is like $2. I have no experience removing the nuts on the struts of a wrx but when i did it on my eclipse they wernt hard to remove.
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Old 12-22-2006, 08:16 PM   #5
Tim Sanderson
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Those two nut's/bolts are bastards. I've seen one impact capable of loosening them and it was'nt electric. You might as well go ahead and purchase a real long 1/2" breaker bar while your at it.

You might get lucky because your car is still pretty new. Good luck
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Old 12-24-2006, 07:41 AM   #6
leecea
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Quote:
Originally Posted by BBBsti LTD View Post
I am going to change my springs soon and I was thinking on getting an impact gun/wrench to remove the 19 mm bolts on the struts. I found this impact wrench at SEARS with around 1056 in/lbs of torque. Is that enough/too much? How much torque should I look for that kind of work??? I dont have space to get a compresor, that would be the ideal tool.

Any recomendation on electric or batery tools?
This one is batery operated...
http://www.sears.com/sr/javasr/produ...seBVCookie=Yes
1056 in/lbs = 88 ft/lbs, which is not even close to what you'll need for those bolts. The torque specs for them are way higher and getting them loose for the first time is even harder.

What I believe you will need is:
  • Breaker bar (1/2" drive)
  • Length of pipe for extra leverage
  • 19mm 6-point socket (1/2" drive impact socket is extra sturdy)
  • 19mm closed end wrench, as long as you can get.
  • Big hammer!

The fronts can be done with the breaker bar and pipe. It is hard to get a socket on the rears, so pounding on the wrench (being careful not to damage anything else) is one way I've used. Of course, the car must be securely on jack stands.

BTW: there are existing threads with good descriptions on the whole process (try this forum plus suspension forum, and a very complete one at ScoobyMods). I think you'll find it helpful to check them out before getting started. They have tool lists, t-specs, etc.

Last edited by leecea; 12-24-2006 at 07:50 AM.
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Old 12-24-2006, 11:48 AM   #7
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Quote:
Originally Posted by BBBsti LTD View Post
Any recomendation on electric or batery tools?
Again, there are some good threads discussing this. The CN version seems to be Pep Boys Goodyear 1/2" impact is a best buy at <$100. Expensive ones are better! Some people claim to have done suspension with the Goodyear, others say it is too weak and an air impact is needed.

I guess I must be bored to be making these posts on Christmas Eve - well, Happy Holidays anyway
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Old 12-25-2006, 01:58 PM   #8
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Thanks I was COMPLETLY confused with the in/lbs and ft/lbs.
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Old 12-25-2006, 02:18 PM   #9
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do NOT get an impact DRIVER...

they suck... i've used one... they are designed for people putting screws into cement and stuff... they use a tiny little hex head... and if you get the adaptor to fit sockets, they will snap...

i have the makita 14.4V 1/2" impact GUN...(not driver... different)

super quality, and i have yet to find a bolt on the car that couldn't be removed using it...(haven't tried strut bolts...)

i have removed exhaust, diff, engine, heads off the engine, disassembled diff, taken off shocks, wheels, ect ect...

there are only a few bolts that can't be removed with it...

my uncle had an impact driver and tested the torque on it... could only get it to about 40-50ft/lbs... and snapped the bits...

the impact gun however got up to 80-90ft/lbs... the more extensions you put on an impact gun, the less torque you get... hence the drivers aren't as good...

don't get a black and decker thing or craftsman... sears makes good hand tools... but i won't buy any of their power tools...

get a makita, hitachi, dewalt, snap on, ect ect...
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Old 12-25-2006, 03:13 PM   #10
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Can I have model/price/details of your MAKITA??
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Old 12-25-2006, 05:31 PM   #11
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Before purchasing anything, please note that torque specs for Impreza strut/hob bolts are something in the range of 125 ft/lbs front and 160 ft/lbs rear. If they are stuck, they will be even tighter.
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Old 12-25-2006, 07:04 PM   #12
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......i'd be REAL-REAL surprised if you could use any electric impact to break the strut bolts loose
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Old 12-25-2006, 07:09 PM   #13
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I was looking into buying a nice gun but I found this and a buddy of mine said it worked great.
http://www.cumminstools.com/browse.cfm/4,1281.htm

Its a 1/2in drive and has 240lbs of TQ which is pretty handy.

It takes off lugnuts and also suspension bolts with ease, I just replace my struts and tophats with this gun.

Not bad for $99...
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Old 12-25-2006, 08:41 PM   #14
Zefy
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Quote:
Originally Posted by BBBsti LTD View Post
Can I have model/price/details of your MAKITA??
i actually got a combo kit... it has a 1/2" drill along with the 1/2" impact gun... they share the same batteries (comes with 2)...

part # is 6934FDWDE-D

they are rather uncommon since most people don't buy the impact guns... most people who need an impact gun are typically in a shop with air... i had to wait 2 weeks to get mine since they only had 1... in toronto...

i got a deal though... when all was said and done i paid 500 CND including tax... included in that price is a 10 piece impact socket set, impact grade adaptors (1/2" to 3/8", ect ect) and a few other small tools...

sticker price on the impact gun alone is 410 bucks... sticker on the drill is 375... i got mine at KMS tools... dunno what you've got around your area for tool stores so i dunno what price you could get...

the kit alone (my price) was 430 with no tax... i have no idea what the sticker price on the kit would be... although i'm sure you could get a same kinda deal...

it's a lot more money than other brands... but i've used the cheaper brands, and i don't like them... go big or go home...

here is a link to the specs page...

http://www.makita.ca/index.cfm?event=tool&id=27

and here is a link to the impact gun specifically...

http://www.makita.ca/index.cfm?event=tool&id=32

part # for the gun alone 6934FDWDE...

i bought it because i am pretty much never near a power outlet let alone air... and i carry it around in my car with me... really sucks to get a flat or something and don't have anything but a tire iron and jack to fix it... (i have a toolbox in my car... but w/e... )

whenever i service at rallies, most of the big teams use snap-on (18V) i found...

but SWRT uses makita...

i found that out after i got mine though...
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Old 12-26-2006, 02:56 AM   #15
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My impact gun is a Dewalt with cord. They have two models, I have the more powerful one @ 345ft/lbs. I've never attempted the bolts you are talking about, but I've done plenty of suspension and drivetrain work with it before with no problems. I think I got it @ Home Depot for around $125.
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Old 12-26-2006, 06:06 AM   #16
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....and the other issue with some of these electric ones is clearance......many of them just will not fit in the space available due to their physical size.
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Old 12-29-2006, 08:48 PM   #17
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dewalt 18 volt cordless 1,180 pounds torque per square inch
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