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-   -   Q: What happens when you hammer it in third? (http://forums.pelicanparts.com/porsche-911-technical-forum/413861-q-what-happens-when-you-hammer-third.html)

peritus 06-09-2008 05:04 PM

Q: What happens when you hammer it in third?
 
A:

http://forums.pelicanparts.com/uploa...1213056073.jpg
http://forums.pelicanparts.com/uploa...1213056125.jpg
http://forums.pelicanparts.com/uploa...1213056149.jpghttp://forums.pelicanparts.com/uploa...1213056214.jpghttp://forums.pelicanparts.com/uploa...1213056277.jpg

Dantilla 06-09-2008 05:06 PM

That's why I always hammer it in 2nd when autocrossing.

Mitch Leland 06-09-2008 05:38 PM

Is the 3rd gear smaller or weaker than 2nd?

Thanks,

peritus 06-09-2008 06:00 PM

No, it comes down to personal preference... that is, what is the preferable gear to smoke a Corvette. LOL

Gogar 06-09-2008 06:41 PM

Are you sure you don't mean:

Q: What happens when you hammer it INTO third?

Gogar 06-09-2008 06:42 PM

Are you sure you don't mean:

Q: What happens when you hammer it INTO third?

Flieger 06-09-2008 07:43 PM

Why would you want to hit your 3rd gear with a hammer? You must not like it very much. Try swapping the ratio if you are unhappy with its character. Until then, it will work much better if you turn it, not hit it.;)

peritus 06-09-2008 08:32 PM

I should have named this post, "What happens when you let your girlfriend drive your Porsche!".

(I hope my girlfriend isn't surfing Pelican in the next room)

the 06-09-2008 08:38 PM

That's most definitely NOT from hammering it while in third. That could never happen. It's from hammering it into third.

peritus 06-09-2008 08:48 PM

Quote:

Originally Posted by the (Post 3993743)
That's most definitely NOT from hammering it while in third. That could never happen. It's from hammering it into third.


Nope

dentist90 06-09-2008 08:48 PM

Those little dog teeth are the things that break off when you force a gear. The damage above is what happens when one of those little dog teeth get between the driven gears! Any other damage??

peritus 06-09-2008 08:50 PM

high hp and 25 year old machinery (that also had an affair with a 3.8 some time ago) is a troublesome combo...

peritus 06-09-2008 08:52 PM

not really. the dog teeth are fine. the prob was really isolated to the 3rd gear set.

the 06-09-2008 08:55 PM

Quote:

Originally Posted by peritus (Post 3993760)
Nope

yep.

Matt Monson 06-09-2008 08:59 PM

Quote:

Originally Posted by peritus (Post 3993770)
not really. the dog teeth are fine. the prob was really isolated to the 3rd gear set.

Dentist's asking about the condition of the teeth on the idler gear that is the mate to the gear you have posted. It's pretty rare for teeth to just fracture off the main body of the gear without an instigator. The instigator is usually teeth breaking off of the engagement gear (or dog teeth) which is pressed onto the idler gear and is a seperate peice. Another common cause is for teeth to snap off of the operating sleeve as it engages with the dog teeth.

Either way it is still accurate to say that this is what happens when you hammer it into third, but this is the end result. The cause isn't pictured. Show us pictures of the mate idler gear and the op. sleeve and hub.

the 06-09-2008 09:04 PM

Quote:

Originally Posted by Matt Monson (Post 3993782)
It's pretty rare for teeth to just fracture off the main body of the gear without an instigator.

Yup.

TechnoViking 06-09-2008 09:04 PM

Quote:

I should have named this post, "What happens when you let your girlfriend drive your Porsche!".
Pics of girlfriend who slams Porsche into 3rd are required at this point ;)

peritus 06-09-2008 09:06 PM

Quote:

Originally Posted by Matt Monson (Post 3993782)
Dentist's asking about the condition of the teeth on the idler gear that is the mate to the gear you have posted. It's pretty rare for teeth to just fracture off the main body of the gear without an instigator. The instigator is usually teeth breaking off of the engagement gear (or dog teeth) which is pressed onto the idler gear and is a seperate peice. Another common cause is for teeth to snap off of the operating sleeve as it engages with the dog teeth.

Either way it is still accurate to say that this is what happens when you hammer it into third, but this is the end result. The cause isn't pictured. Show us pictures of the mate idler gear and the op. sleeve and hub.

http://forums.pelicanparts.com/uploa...1213070809.jpg

peritus 06-09-2008 09:10 PM

Quote:

Originally Posted by Martin Smith (Post 3993796)
Pics of girlfriend who slams Porsche into 3rd are required at this point ;)


There she is!
http://forums.pelicanparts.com/uploa...1213070999.jpg

dentist90 06-09-2008 10:18 PM

Didn't find any of these in the bottom of the tranny?

http://forums.pelicanparts.com/uploa...1213074849.jpg

mmmm.... crunchy! Coulda possibly come off a different gear, too. Hopefully none of the other gears choked on the debris. Don't forget to check the diff case carefully too!!


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