gibson23

Hey I want to rebuild a 1969 dodge charger beater i bought if I put in a 383 engine with a 727 transmission and a 8 3/4 rear end would this set up work im new to this im only 14 soo im just lookin for some info

78D200

It sure would. You'll have to look intot he measurement in the 8 3/4 to make sure that it is the right width, but all of those go fast items will fit in there nicely.

You'll need some other items too though. FYI.

67 GTX

that setup would easily work
but, you have to measure

gibson23

what if I was to put in a 340 would a 727 transmission still work if soo what would be the best rear end and gears for just a street car that can go fast but not like raceing or anything

78D200

for a 340. you'll need a small block 727, the big block 727 will not bolt up.

The 8 3/4 rear axle is a great axle to go with reguardless to what you have in there for a motor. For the street, i'd go with a set of 3.23-3.55 gears with sure grip.

67 GTX

agreed

gibson23

sweet thanks man and will the 340 go in a 69 charger cause i dont know if they came with 340s i think it went 318 383 440 426 hemi but im only likt 60 percent sure

67 GTX

i think you are right
i've never seen a 340 69 charger

gibson23

but it should fit becuase arnt a 318 and a 340 the same block

67 GTX

yes they are the same block
340 is just a higher displacement

gibson23

What kind of fuel milage would the 383 2 barrel get
also what would a 340 get

67 GTX

the 340 would be faster than the 383 2 barrel
mileage all depends on what gears are in the rear

gibson23

So what would be the best way to go gear wise for a 318 or 340 to get the best gas milage but still be some what fast

Coronet1970RTguy

Hot Rod TV is doing a budget build on a 360 that is putting out some nice HP. I think it would still fall under the small block 727 but if you look in the junk yards Im sure they are there.

Welcome to the Mopar fold and at a young age its good to see its not a Honda

67 GTX

from the factory, auto's got 3.23 and stick's got 3.54

62Furious

the 383 is the way to go you can get a 4 barrrel intake and 600 holley carb at any swap meet and have more power than a 340 and with 355 gears it will make it from gas station to gas station with half a gallon to spare, that is my input if you would like to have a weekend warrior

6fury4

When swapping rear ends pay attention to the brakes as well. If you end up with 15's on the rear and have 14's on the front you might have a brake bias problem, easily solved with proper proportioning valve. Also the brake wheel cylinders could be a different size affecting master cylinder. Sounds complicated, it really isn't.

sgnrulz

On my newport i have a 383 with a two barrel gets about 18 to the gallon surprisingly.
I have a 8 3/4 rearend but im not sure on the gear ratio. Its not super aggressive so i think 2.93 or 3.23 probably.