My built TT 370z is getting tuned today... What power can I expect?

braydo25

Done, made 700 after upgrading full system.

Chuck33079

If I had to make a wild-*** guess, you'd want to stop around 500whp. Going too much higher sounds sketchy to me with the fuel system you described. The good news is that you should be able to make a ****-ton more power down the line with a bigger pump/injectors/fuel return system.

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braydo25

Good to know

Yeah, for now just want the car tuned to a safe level. I'll probably get used to it in a month or so and want to push for more power. 750whp on pump was the original goal, hoping to hit that with a full fuel system on 92 octane.

Elmo370z

No way you're reachign 750 on pump. The way it sounds. You need to do some major research before trying to reach your power goals. I don't understand why you want to push the build to it limits. Limits= kaboom either your motor or something else, unless you have endless pockets, then hell yeah. Instead of wasting your money on that manifold you should of invested in a return fuel system, maybe some ID 1700 injectors, maybe a twin pump set up, lsd or clutch ( hoping you already have those upgrades) or add a stronger oil pump or add a baffled oil pan.

braydo25

So, longer story my cars been at this shop for 13 months after a lot of ups and downs. The money aspect isn't the problem, I'd just like to have my car back at this point and not wait another however many months. Fuel system upgraded will happen sooner than later.

Clutch was upgraded to one rated for > 800wtq, that shouldn't be a problem. Nismo oil pump used, lsd wasn't upgrade - I've never heard of them being an issue. The car is a nismo so idk if it has a better lsd / better axles than the other models.

Elmo370z

Lsd needs to be upgraded if you quote on quote want to make 700whp, or you will learn the hard way when the car sends you onto on coming traffic or a ditch.

“The car is a nismo so idk if it has a better lsd / better axles than the other models” that is what I was referring to about doing some research, my friend you are going down a very expensive road that isn’t for the good.

Rusty

You got the same axles as everybody else. As for the VLSD. It's junk. When they get hot. It's the same as an open diff. One wheel peeler.

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G3RSTY7

Who built the block? Will be in for reviews of that. We had a built block blow locally during the break in period and the builder is blaming a foreign object making it into the cylinder or timing causing the piston to hit the valve (or maybe their valve stuck and was hit by piston).

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braydo25

A shop in Langley BC (Canada) called Independent Speed Shop - they do a ton of high hp GT-R builds and just have a lot of crazy stuff come out of there.

JSur

I have a stock motor, same fuel pump and 600cc injectors. Made 550whp with no knocks. Only 10.7 lbs of boost. You should definitely be able reach 600whp, or close to it on your setup. Posting vids!?!


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Chuck33079

Yeah, but you get better gas in Florida. I'm sure there's 600 in it, but if the plan is to later add fuel and really put that built motor to use, he might want to stop short of the ragged edge. It would really suck to pop the built motor before it can be really pushed.

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JSur

You’re right. What he can hit vs what he should run are two different things lol. Gas down here ain’t bad. Most stations have 93, and E85 is gaining popularity as they build more pumps. But definitely better to tune it down to a safe number. I’ve had no issues at all where I’m at and I got tuned back in October, drove it all the way to North Carolina and back less then 12hrs after.


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braydo25

I'll definitely ask the tuner to keep power a decent away from the limit, wherever he finds that may be once it's tuned in a few hours.

Jayhovah

His built block has lower compression than your stock block.

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JSur

Good point. I overlooked that.


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