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#3181812 - 11/08/13 02:29 AM WD-40 Specialist Rust Release Penetrant Spray
jdmstr22 Offline


Registered: 12/04/12
Posts: 275
Loc: Illinois
Picked up a can for 97 cents today with a $5 off at wally world. Anyone ever used it,what do you think?

I know everyone is going to tell me about the wonders of kroil i'm sure its great but hard to find,and i find it hard to believe it can be so far superior to stuff like PB or liquid wrench where it could justify the cost.
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#3181904 - 11/08/13 07:11 AM Re: WD-40 Specialist Rust Release Penetrant Spray [Re: jdmstr22]
chubbs1 Offline


Registered: 06/09/10
Posts: 4574
Loc: Merritt Island FL, USA
Good product. Excellent price.
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#3181995 - 11/08/13 09:00 AM Re: WD-40 Specialist Rust Release Penetrant Spray [Re: jdmstr22]
bigt61 Offline


Registered: 02/12/13
Posts: 2402
Loc: Virginia
Never heard of that stuff before but it sounds good. Where was the coupon?
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#3182015 - 11/08/13 09:25 AM Re: WD-40 Specialist Rust Release Penetrant Spray [Re: jdmstr22]
JHZR2 Offline



Registered: 12/14/02
Posts: 38110
Loc: New Jersey
Kroil is good as are lots of others. I'm sure it's just fine.

But is it an aerosol? I prefer liquid penetrates myself. I like the original liquid form of liquid wrench, but can't seem to find it.for 97c you can't beat it.

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#3182064 - 11/08/13 10:14 AM Re: WD-40 Specialist Rust Release Penetrant Spray [Re: jdmstr22]
951Indy Offline


Registered: 10/09/09
Posts: 179
Loc: Indy
Sounds good for 97 cents, but 50/50 mix of ATF/Acetone (at least for the purpose of freeing fasteners) will have you using the old aerosols for starting fires..

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#3186217 - 11/12/13 10:47 PM Re: WD-40 Specialist Rust Release Penetrant Spray [Re: jdmstr22]
bmwjohn Online   content


Registered: 01/04/08
Posts: 524
Loc: indianapolis in
yeah, where is the coupon? I did use the AAP discount and ended up with a gallon of wd40 and a gallon of pb blaster WITH squirt bottle ($20 and $28?) before -40% when I ordered $100. Product was donated, don't know if it got to end user and results.

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#3254072 - 01/20/14 01:55 PM Re: WD-40 Specialist Rust Release Penetrant Spray [Re: jdmstr22]
AP9 Offline


Registered: 07/10/13
Posts: 256
Loc: Chicago suburbs
Got some a few months back FAR. Seems to work fine.

In a few places you might still find some cans that have the manufacturer's rebate coupon attached.


Edited by AP9 (01/20/14 01:56 PM)
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#3283458 - 02/15/14 07:36 PM Re: WD-40 Specialist Rust Release Penetrant Spray [Re: jdmstr22]
morris Offline


Registered: 08/24/08
Posts: 3681
Loc: ks, wichita
WD-40 is good for what it is for. but it is a little thin so it will be gone after while. but being thin is what makes it good.

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