L33

1998 S10 4L60e with 65/70 upgrade, 3k stall, with 420HP 5.3 in front of it...
At the track, caught hard wheel hop shifting into second (auto shift in OVERDRIVE, I think it caught rev limiter before the shift)...

Hard grinding sounds and locked the back wheels up for a few feet, rolled out the 1/8 mile and returned to the pits, at about 30MPH on the slow down roll, it locked the tires again for a few feet...

First thought was broken pinion tooth in the rear end, but upon inspection the diff is still perfect.

I pulled the pan and filter and had a good amount of metal but didnt seem burnt so it seems like something physically broke.

Just curious what yall thought I broke. I could still drive it around the lot and drove it on and off the trailer, but I believe if it were to try for second gear something would break... Can you like blow clutches apart?? Planetary?? Sun Shell?

Its going to the shop but im just curious for now.

98CayenneT/A

Possibly low roller sprag/clutch

Jays_SSZ28

iTrader: (2)

Is this a guessing game to see what forum member gets lucky? Then they will be thought of as being the smartest...

L33

I like that idea lol

but I'm just curious what wheel hop would break internally.

Jays_SSZ28

iTrader: (2)

The low roller, forward sprag, sunshell, front gear set, or rear gear set. Seeing how it still moves a little probably not a shaft.

MaroonMonsterLS1

Heres a thought...take it apart and tell people what broke...obviously its trashed so why bother guessing

L33

Thanks for the help, I'll keep that in mind.
My apologies for trying to learn and plan. I'll just wait and keep everyone happy.

MaroonMonsterLS1

" i think if it went in 2nd it would break"
why would you think that...did you try?

This is why forum guessing games are silly

Just take the thing apart and find out what broke.

What are you trying to learn and plan for? **** is broken...are you going to guess what part broke and order before you have it apart? If so, that's one of the funnier things i've read all day.

L33

Cool story bro,
Sprag is busted, btw.