This pretty much says it. Raced a few times last week and then clutch pedal went all the way down to the floor but was still engaged to engine unless I poped out clutch with foot. Then I can shift but would quickly sink down again until engine would just lock up and stall at idle and wile driving...Is this the clutch or the tranz? I mean I just replaced the clutch master cylinder because thats what everyone thought it was but no luck..So are thier any people who know what this is for sure?

 

Clutch throwout bearing? That's my guess.

 

Ziggy682...Im curious as to why u think this? I mean explain it. I know the throwout bearing rides on the release forks pushing the friction disk against the pressure plate. But It doesent seem like it can be the cause because I dont hear any unusual sounds.

Also this happend when I raced and slipped the clutch. But my dad says it could be the main shaft on trans or something I dont know exactly what he said...Just weird.

 

Did you replace/rebuild the slave cylinder for the clutch?

I have heard the pressure from a new master can blow the seals on the slave if they are old.

Did you bleed the system all the way.

 

Yes I bled the system. The system has enougf pressure in it to not stall the car im sure...... NOW . I thought the slave cylinder was used for shifting only...Can this device stall my car?

 

Bad slave or bad hose.
OR two issues-

clutch not disengaging (for whatever reason) and a big vacuum leak somewhere in the brake booster or hose/fitting