SNAFU; high performance 318is build that lives up to the name, Turbo M42 ➞ Turbo M20

[Dj Buttchug]

varg go 3.25 if you can find it

[downforce22]

They're all impossible to find locally so far and too expensive when found online since it costs nearly $100 to ship, so I'll have some time. I do a lot of highway miles so I need something tall. I'm also getting ~15mpg now

the 3.64 is good, hard to find though. I get about 22 mpg with it, could do better if I didn't boost and stayed at about 65 mph

[varg]

They're all impossible to find locally so far and too expensive when found online since it costs nearly $100 to ship, so I'll have some time. I do a lot of highway miles so I need something tall. I'm also getting ~15mpg now

[ak-]

My friend's gt35r s50 mated to the g260 was such a dog to drive @ 450whp with the 2.93.
I have a 3.46 and think it's a happy medium between street and highway.

[gotaloveRWD]

The 4.10 diff has to go. First gear is only good for making 11s at WOT, I get 2nd gear wheelspin on dry pavement, and can spin them up in 4th in the wet if I'm abrupt with it. Seeking 2.93 LSD.[/QUOTE]


Do what you think you'll like but I've read a few people saying the 2.93 is too tall and something like a 3.15, 3.25 or 3.45 would be a good happy medium

she's looking good though!

[ForcedFirebird]

Need an iS lip to hide that pipe...or come over the shop for a couple hours lol.

[varg]

[varg]

Loving my car with the M20 swap. Sounds good, still handles great, much more torque.

The 4.10 diff has to go. First gear is only good for making 11s at WOT, I get 2nd gear wheelspin on dry pavement, and can spin them up in 4th in the wet if I'm abrupt with it. Seeking 2.93 LSD.

[varg]

370z nismo rated at 350ish?

Yes, and ~3,300lbs.

Just looked over this. Awesome read. Looking at getting those xxr wheels but just wondering how much you had to roll the fenders to get em to fit?

Thanks. I just had to roll the rear lip enough to fold it over, didn't have to push the fenders out at all. The rear tires rubbed on the lip when the car squatted, the front fender lip got bent out when I hit a big bump with the wheels turned, so the front should probably be rolled too.

[ThatM20Guy]

Just looked over this. Awesome read. Looking at getting those xxr wheels but just wondering how much you had to roll the fenders to get em to fit?

[fresh_TD]

I know it's faster than a 370Z Nismo though ;D

370z nismo rated at 350ish?

[varg]

How much power are you putting down at 13psi?

I know it's faster than a 370Z Nismo though ;D

[fresh_TD]

How much power are you putting down at 13psi?

[varg]

Took some more pics this weekend.















Ignore the low hanging charge piping which looks like ass. That's the only way I could get it to fit with what I had, and a custom pipe down the road will fix it.

I'm up to 13psi of boost now, and though my closed loop boost control isn't 100% dialed in I'm having fun with the car. 13psi is as high as I'm planning on going until I have the time and funds to rebuild the head and o-ring the engine, so if I'm going to make any more power it will be entirely in the fine tuning, leaning to the target AFR and maybe adding a little bit of timing advance to my conservative in-boost map.

If you ever feel like o-ringing the block, i can rent you the tool. I'm jealous of your tuning Knowledge, thats the only thing that scares me on my turbo build.

I would, but I've never o-ringed an engine before and don't plan on doing that part of it myself, I'll probably have John at WOT Tech do it. Tuning isn't hard, you just have to be methodical and it helps to ask other people and see what other people's maps look like with similar setups.

[johnr617]

If you ever feel like o-ringing the block, i can rent you the tool. I'm jealous of your tuning Knowledge, thats the only thing that scares me on my turbo build.