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Swapping out 305 for chevy 400

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Old Oct 14, 2006 | 05:40 PM
  #1  
sting87's Avatar
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Swapping out 305 for chevy 400

I just need to know if everything would bolt up in my 85 trans am that i want to swap out the 305 that is in it for a chevy 400 long block.
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Old Oct 14, 2006 | 05:44 PM
  #2  
//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
provided the 400 heads have all the assessoiry holes
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Old Oct 14, 2006 | 06:13 PM
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xpndbl3's Avatar
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
same size externally so it will fit
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Old Oct 14, 2006 | 06:31 PM
  #4  
evoluzione1's Avatar
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From: ohio
Car: 88IROC vert and a 83 w/evo body
Engine: 400 and 350
Transmission: T56 and 700R4
Axle/Gears: 323 and 373
You will be missing on accessary bolts in one of the heads but it will still work fine. Just a heads up.
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Old Oct 14, 2006 | 11:56 PM
  #5  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
If "everything" includes the front damper and flexplate/flywheel, the good news is they will bolt up, the bad news is they're the wrong parts for a 400.
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