can iput an rx-7 engine in a, 04 mazda 3 hatchback.

 

i dotn know why u would, the rx-7 was notorious for poor reliability the 3 is bulletproof. If u realy need more performance u should have gone with the rx-8

 

You might as well turbo the 3 and upgrade the tranny....would be WAY!!!cheaper.

You would have to change the 3 to RWD, to make it worth anything. Custom fab the mounts, crossmembers, you would have to make a drivetrain tunnel. And although you could run the driveshaft through the exhaust tunnel...you would then have to make room for the exhaust.

 

honestly a turbo is 4000 and god knows how muich a new tranny is and i have all the bolt on **** you can get for the 3 and its only pushing 165 to the wheels its pretty pitifull. im saying if any one can find a turbo kit for under 3 id go for it

 

well if you want more power you gotta come up with the $$$. Its not cheap. And you really don't need a upgraded tranny to run a turbo. just saying you could upgrade the tranny to push higher whp...comparing a rotaryswap to boosting.

 

sell your 3 and buy a speed3.

 

i'd agree, there would be no benefit to dropping any other engine in your car over turbo'ing what you have. cost would be close to the same, and generally a lot more straightforward.

i'm also interested as to how you hit 165whp? is it just a guess or have you dyno'd, as i have yet to see a 3 crack the 160whp mark on the dyno.

 

An engine swap for this car is not worth going through the trouble with to make it half way decent, fyi id take a JDM 20b over the rx-8 motor anyday, like MrTea said no stock 3 is cracking the 160 mark to the wheels, its feels like even less than that until you hit VVT in 2nd gear. Anyway your not gonna find a turbo kit under for any 1st gen car under 4g's and thats all you need for the only company that makes a kit for this car thats worth buying.