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got a ? bout the 1970 firebird

  
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got a ? bout the 1970 firebird

 
thomas.russell thomas.russell
New User | Posts: 28 | Joined: 12/11
Posted: 01/08/13
05:22 PM

so i changed out my trany mount and now there is a weird banging sound under the car feels like somethings hitting the floor by the shift and i have lost hp wen i tryed getting on it my trany didnt want to shift till it hits the end of the red line and acting up idk and wen im going 70 mph i hear a hollow but fast and quiet thumpping sound and a kick in my gas pedel and idk just a bunch of things  

 
Brazil Brazil
Addict | Posts: 3697 | Joined: 06/09
Posted: 01/08/13
05:31 PM

Need to look and see what that is.  

 
idrivejunk idrivejunk
Addict | Posts: 4478 | Joined: 12/09
Posted: 01/08/13
05:48 PM

Yep, coulda run over a varmint and ripped the vacuum line loose, idk. DMY. If you installed a poly trans mount, did you follow the instructions? Re-check your bolts? Are your engine mounts torn now? Yeah you better jack it up and investigate.  
idrivejunk