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Long impact extension? 24-inch or 36-inch?

GSMotorrad

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I'm trying to decide if 24-inches will reach the transmission bell-housing bolts (in most cars/trucks) or if I should get the 36-inch.

Or is it 24-inch for cars and 36-inch for trucks?
 
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firebox40dash5

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I haven't had any issue with a 24" in anything up to an Allison 1000. I'd go with one like the Matco, that's 1/2" diameter and necks down at the very end, rather than the Snap On style that necks down at the female end. I have a SO I bought cheap, but it's practically worthless on an impact. Can't break squat loose with it, it absorbs too much torque.
 

djb2

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On some BMWs you need something a little longer than 24". But access is better if you have a slight kink near the working end, so a 24" + wobble/universal + 12" works best.
 
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GSMotorrad

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I haven't had any issue with a 24" in anything up to an Allison 1000. I'd go with one like the Matco, that's 1/2" diameter and necks down at the very end, rather than the Snap On style that necks down at the female end. I have a SO I bought cheap, but it's practically worthless on an impact. Can't break squat loose with it, it absorbs too much torque.

Cool, the S*K I'm looking at does that 1/2-inch down to 3/8-inch thing:

SK Tools Model SKT-46175 Long Impact Extension/Adapter 1/2" F-3/8"M 36-inch

SK Tools Model SKT-46174 Impact Adapter/Extension 1/2-Inch F-3/8-InchM 23-Inch

36". 1/2" drive with 3/8" at business end. Grey Pneumatic has a good one.

I couldn't find the GP one. So far we have one vote for 24" and one for 36". Should have made this a poll.

On some BMWs you need something a little longer than 24". But access is better if you have a slight kink near the working end, so a 24" + wobble/universal + 12" works best.

**** just got real, son! It's starting to look like both might be the best bet, but if you could only buy one . . .
 

Ruger_556

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I've used a socket - 12" extension - swivel joint- 24" and it was still a pain. Anything over 24" you usually don't have a straight shot anyway.
 

redwrench60

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24" will do 95% of everything you'll run into. As others have said get one that's the diameter of a 1/2" drive extension with a 3/8" end instead of a small diameter one like Snap On sells, it's one of the very few truly worthless tools Snap On makes. My favorite ones are Cornwell extension adaptors. Matco makes good ones too. Avoid the ones with hog ring retention; it gets loose and drops sockets. Get one with a locking end or friction ball.

I vote against the Gray pneumatic. The problem is GP doesn't warranty extension adaptors or any reducing adaptors for that matter. I had one and it said 'not warrantied' right on the drive end. Guess what, it broke and there I was, money wasted.
 

ttpete

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For a long extension, you need one that's full diameter the whole length to avoid twisting and torque limiting. My SO SX-24 is .615" in diameter.
 

brownbagg

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get the 36, snap on has one with 3/8 business end and 1/2 impact end. best tool i ever own. nobody borrow it. with a swivel I can reach the top transmission bolts no problem.
 
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GSMotorrad

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24" will do 95% of everything you'll run into. As others have said get one that's the diameter of a 1/2" drive extension with a 3/8" end instead of a small diameter one like Snap On sells, it's one of the very few truly worthless tools Snap On makes. My favorite ones are Cornwell extension adaptors. Matco makes good ones too. Avoid the ones with hog ring retention; it gets loose and drops sockets. Get one with a locking end or friction ball.

I vote against the Gray pneumatic. The problem is GP doesn't warranty extension adaptors or any reducing adaptors for that matter. I had one and it said 'not warrantied' right on the drive end. Guess what, it broke and there I was, money wasted.

I read that on their site about the lack of warranty, but then S*K says the same thing, but they worded it in a very confusing way, "Warranty: -Lifetime warranty. This socket adapter has a 1" diameter and is 35" in length... -No warranty."
 
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GSMotorrad

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24" will do 95% of everything you'll run into. . .

Thanks for all the great advice, everyone. I ended up just going for the big-daddy, for that 5% the 24-incher will have trouble with. The S•K 36-incher ($36.02) with 1/2-inch Female and thick stock all the way down until it goes to the 3/8-inch Male end. I got the S•K, just because it was less than half of what the Grey Pneumatic goes for ($77.24), with the same exact warranty - NONE.

I managed to score free shipping, so it was about a dollar per inch.
 
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Mohawk Dave

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That sux about GP warranty. I mean, "Pneumatic" is part of your name and you don't make a tool that you feel is good enough to last long enough...even with a few warranties here and there. Bad taste in my mouth right now.
 
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GSMotorrad

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marcusicp

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I haven't had any issue with a 24" in anything up to an Allison 1000. I'd go with one like the Matco, that's 1/2" diameter and necks down at the very end, rather than the Snap On style that necks down at the female end. I have a SO I bought cheap, but it's practically worthless on an impact. Can't break squat loose with it, it absorbs too much torque.

I agree completely with going with Matco for this. I do however find that the 36" is handy on 4wd truck when dropping the transmission and transfer case as a unit.
 
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GSMotorrad

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I know the OP ordered his, but I was wondering if this Blue Point one is a good one?

Blue Point extension

Oooh, it's "locking"!

I just looked, for the 35" SKs site says lifetime warranty

That's great news! I see where it says that: http://www.skhandtool.com/impact-sockets/46175.aspx

I worked at a transmission shop for two years and all I did was R & R Transmissions. I bought this 1/2 to 3/8 24" locking extension from Blue Point. It was by far my best tool purchase for that job and I still use it today. I wouldn't want anything to do with one without the locking function.

IMSFXL24

http://buy1.snapon.com/catalog/item...roup_ID=681787&store=snapon-store&dir=catalog

I did "make" mine locking by grabbing one of those "locking adapters" in the same order. I got 'em in 3/8-inch and 1/4-inch drives. From my limited research, I think one OEM manufacturer makes this piece for Snap-On, Matco, Mac, Armstrong, and S•K - I think they're all exactly the same.

SK-45195.jpg~original


Just in case there are other cheapskates out there, looking for the most inexpensive and versatile options. The Harbor Freight sets of four locking extensions cost the same as one of these little (USA) adapters (after tax - just about). I think it's a decent price. I've seen 'em go for $40 on eBay (1/4-inch version here and 3/8 version here), but since I ordered over $75 with my Amazon/ToolTopia order, they gave free shipping, so it was a lot less money. ($23.35 for the 3/8-inch and $21.11 for the 1/4-inch with free shipping)
 
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redwrench60

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I know the OP ordered his, but I was wondering if this Blue Point one is a good one?

Blue Point extension

I have that one in the 24" version and it works well, positive socket retention and it's nice and straight but it's not that strong due to the skeletonized end to house the locking mechanism. I've broken the end off it twice but gets warranted no problem.
 

Strouty

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I have that one in the 24" version and it works well, positive socket retention and it's nice and straight but it's not that strong due to the skeletonized end to house the locking mechanism. I've broken the end off it twice but gets warranted no problem.

Thanks for the info, does Snap On actually have one? When I searched the site, that was what kept coming up.
 

redwrench60

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Thanks for the info, does Snap On actually have one? When I searched the site, that was what kept coming up.

Surprisingly, they don't. The only ones Snap On actually makes are the non impact extension adaptors in the thin diameter.

The Bluepoints are rebrands of some type. They're good quality and highly functional but with a slight penalty in strength due to the locking end.
 

Mohawk Dave

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GSMotorrad,

Am I missing something? I understand the piece locks onto the socket, but what keeps said piece locked onto the extension? Wouldn't the socket stick to the fastener with said piece stuck to it? Or does it somehow lock onto the normal extension?
 

lilscorpion

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GSMotorrad,

Am I missing something? I understand the piece locks onto the socket, but what keeps said piece locked onto the extension? Wouldn't the socket stick to the fastener with said piece stuck to it? Or does it somehow lock onto the normal extension?

A set screw. I have some that came with a set screw and some that didn't. The ones that didn't, I tapped the hole and added one in a few minutes. When attaching one to my 36-inch extension, I can easily slam in the bell housing bolts quickly. Probably the only way it would be easier is if I could find a magnetic universal impact socket...that would be sweet!
 
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GSMotorrad

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GSMotorrad,

Am I missing something? I understand the piece locks onto the socket, but what keeps said piece locked onto the extension? Wouldn't the socket stick to the fastener with said piece stuck to it? Or does it somehow lock onto the normal extension?

lilscorpion is correct in all regards. It's supposed to come with the allen key for its set screw, and that allen wrench is also supposed to be made in the USA as well.

The female end has the set-screw, so it's not permanently attached to whatever extension. With a little fiddling, it can be used on whatever length extension you need at the moment. For poorer people who aren't on flat-rate (like me), it's a small inconvenience to pay.

After reading about people breaking that part on the Blue-Point locking extensions, I'll be extra cautious, because these are my first S•K tools, and I've heard it's a difficult warranty process.

A set screw. I have some that came with a set screw and some that didn't. The ones that didn't, I tapped the hole and added one in a few minutes. When attaching one to my 36-inch extension, I can easily slam in the bell housing bolts quickly. Probably the only way it would be easier is if I could find a magnetic universal impact socket...that would be sweet!

That's an excellent idea, lilscorpioin. If you've modified these thing by tapping threads already, it seems like it wouldn't take much to JB-weld a magnet into a universal/swivel socket or something.
 

greasemonkey44

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memphis
On the retention of bell housing bolts; I've used a glob of grease to hold them in the socket, or a bit of paper or plastic bag
The sk I use I never got around to buying a locking adapter for it; I just use some electrical yaoe
 
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