I got a 1973 dodge dart swinger with a 225 in it and an automatic transmission, but i would rather have a 5 speed. I'm still inexperienced. I want to turn the car into a daily driver/weekend road racer eventually. What would be good transmissions and rear ends to use? Getting ratios would be nice as well. I'd like to go with more modern setups but whatever you guys suggest is all good.

No bolt up options for a 5 speed. Most folks use a T5 Ford Mustang trans and 8 3/4 rear 3.23 gears would be a good start.
Frank

_________________
Scrapple: Because a mind is a terrible thing to waste.
73 Duster - Race Car
66 Dart Wagon - DD
178" FED
82 D150
All Slant powered

so should i use the dana 60?

Please go read this whole thread.

_________________
一期一会
Too many people who were born on third base actually believe they've hit a triple.

NO WAYYY to heavy. Actually an 8 1/4 is plenty stout enough but you cant change gears easy.
Frank

_________________
Scrapple: Because a mind is a terrible thing to waste.
73 Duster - Race Car
66 Dart Wagon - DD
178" FED
82 D150
All Slant powered

like i said i'm inexperienced. could i just slip a different LSD into the stock rear-end though? would it stand up to about 280-340 hp?

The 60 is a heavy mofo, that's for sure. Definitely overkill for anything but the most seriously buitl slants (maybe even for those too). An 8 1/4" will serve just fine behind a slant. 8 3/4" will easily take anything a slant can throw at it.

_________________
'74 Duster w/ HEI ignition, beat to snot suspension, A904, 8.25" 3.55 SG rear, still being tuned up and gets 17 MPG

Know how they always build a better idiot? That's me