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rb25det bolt on power


akhelihoon907

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Hey guys im building a rb25det series 2 motor. Im not sure what kind if power to expect with bolt ons. Im not really going for a certain amount of hp, but I do want to add a few bolt ons to make my build a little easier and in my opinion look better.

If there is a link to a post that would be awesome but I didn't see anything and still searching.

 

 

This is what I have so far

Rb25det series 2 stock internals

Cx Header

3 inch dp and exhaust

Power fc d jetro

Wiring specialist harness

 

 

This is what I need still

 

Clutch im probably going to go with a spec stage 3 im not 100% sure yet

 

Greddy style intake or re route the stock upper manifold

 

Tial 38mm waste gate still doing research on this

 

Synapses blow off valve

 

Bosch 044 fuel pump I read they are more reliable then the walbro??

 

New injectors not sure what size yet with my future setup

 

Gtx3071 or gtx3076 I spoke to a guy at a shop and he was saying the the 3071 would be a little small but I thought I read it was a good fit.

 

This car will be daily driver and some auto x. With boost turned down and. Given the parts listed above what kind of power am I looking at. Is anyone running something similar to what I listed

Edited by akhelihoon907
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You should buy my turbo; Its big. haha.

 

But in all seriousness, you should decide what power goal you are looking for then build your spec sheet around that.

Make sure that before you install it get the factory nissan seal kit and put them all in with a new timing belt since its not in the car to make your life easier down the road and make it more reliable than however old seals and timing belt.  Before power though I'd say try to work out your chassis (for the auto X'ing). Brake pads, suspension, tires, etc. That's where I'd start. Then add power.

 

But the parts you've listed sound good for a nice mild build. Make sure you size your injectors for your power goals and fuel pump flow rate.

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Well the mods I listed above are my power goals whatever they give me is what I want. I don't know what they are ,but im guessing somewhere in the 400 hp range? I know that the turbo will be a big deciding factor then the waste gate size, injector size, and tune will all play a part. I was just wondering a rough estimate in power someone hast to have a setup close to what I mentioned.

 

I already have a rust free 72 240z, motor mounts, oil pan, tranny, tranny mounts, new gasket kit , timing belt. pullies. All I need is the clutch then I can drop it in.

 

I just want to hear it run and maybe take it around the block once before I redo the brakes, diff and suspension. one thing at a time you know. We only have 3- 4 months of summer here and it goes fast lol.

 

Im down for suggestions thats why I posted. What turbo do you have is it water cooled?

Edited by akhelihoon907
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It's a Precision T04E. I'm debating keeping it but I'm not entirely sure yet. It's a oil cooled unit. 

I have an RB20 with RB26 ITB's, RB26 intake, RB25 turbo, 440cc injectors, z32 maf, and a carl H tune. I'm told if I source some redtop cams and pop on a holset (or my T04E. little overkill but will do the job) turbo, I'm good for 450-ish hp at the crank with the correct tune. So I feel yes parts will do it, but with a good tune you can get a lot out of those parts.

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