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  1. Second Generation Pontiac Firebird (1970 - 1981)
    I have a 79 Firebird that came with the 301 engine and 350 trans. I recently put in a 383 stroker and rebuilt the trans... First, something is now not right with the brakes.... they go straight to the floor and have little effect. I've heard I need to add a booster? Any ideas? Second, the...
  2. Brakes
    Hi folks, Im new to the forum. I just purchased a 1975 TA 4 spd and am putting a parts list together for some restomod work. Im having difficulty identifying the rear end/axle on the car so I can order the correct rear brakes from Wilwood. Is anyone able to clarify for me? As best I can tell...
  3. First Generation Pontiac Firebird (1967 - 1969)
    I have a 67 firebird with 308 gears 4 speed as you know 1st gear is like taking of in 2 gear. REAR END CASTING#9783393. My question is wanting to change gears to 3.73 and called ZBAG about pricing they said you cant just change ring and pinion you have to change carrier brake also do to rear...
  4. First Generation Pontiac Firebird (1967 - 1969)
    I am looking to switch out my stock non posi, drum brake rear for a 88 chevy iroc disk brake, posi rear. I was told it will fit nicely with minor alterations. If some one happens to have their wheels off their stock 67 or 68 rear, can you tell me the dimension from the face of the base plate...
  5. Drivetrain
    Hello, First off, I'm new here - this is my first post on the forum! I am restoring a 1980 firebird. I have aquired a Chevy 350 small block, and intend to swap it out for the v6 that is currently in there. I want to convert the 3-speed auto to a four on the floor standard transmission, and...
  6. Fourth Generation Pontiac Firebird (1993 - 2002)
    hello - new to this site - I have a 2002 TA WS6 and had the dealer replaced the pinion bearings on it 4 years ago - and now they tell me that the bearings have gone bad again --- now they add that the differential housing is leaking which caused the bearings to go bad. they want me to replace...
  7. Fourth Generation Pontiac Firebird (1993 - 2002)
    Hey guys, I want to swap out my open diff for a Posi diff, I have a 3.23 and I want to keep that gearing because it's a daily driver that sees the highway way more than the track. Anyways from what I've read, it seems the axles are identical between open and posi cars, so I only have to swap the...
  8. Drivetrain
    Guys - I have a 69 that was originally a 4 speed but was converted to a TH400 by the previous owner. He also changed out the rear end to a Chevy 12 bolt 3.73 ratio. My question is whether or not I need to be concerned with the gearing of the 4 speed that I install? Would there be an advantage...
  9. Fourth Generation Pontiac Firebird (1993 - 2002)
    So I bought a 1999 Firebird V6 with stock everything and had a few things to address after purchasing it. First was a noise coming from the rear end of the vehicle that sounded like a mix of rubbing styrofoam together and metal "clunking". Tricky thing was that the noise was on audible at low...
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