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Stock 2JZ Power Potential ??

 
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2jzmkiv



Joined: 22 May 2015
Posts: 82

PostPosted: Wed Jul 15, 2015 5:03 pm    Post subject: Stock 2JZ Power Potential ?? Reply with quote

I do not know if this is the place for this question but i see a lot of experienced people here so i will just leave it here.

How much horsepower at the wheels do you think a completely bone stock 2jz engine can safely push with a single turbocharger that has 74.56mm compressor wheel inducer and 75mm turbine wheel exeducer with 1.10 a/r t4 divided turbine inlet and pushing 15-30psi of boost supporting fuel system and ecu included and what would be the safe rpm limit ? fuel options will be initially 93 pump then 93 + water meth. I would really like to hear some estimates thank you Smile
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joe90



Joined: 19 Mar 2013
Posts: 382
Location: under the car

PostPosted: Thu Jul 16, 2015 12:35 am    Post subject: Reply with quote

3 litres, 2 bar of boost.......900HP at the flywheel.
Subtract 100HP for drivetrain loss....800HP at the wheels.
Allow for a dyno BS factor of 20% drivetrain loss...add that back on.
That's 1000HP on a dyno.
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2jzmkiv



Joined: 22 May 2015
Posts: 82

PostPosted: Thu Jul 16, 2015 5:43 am    Post subject: Reply with quote

I bought my car last year since this year i have only driven it 500km +-50km it already has 100k kilometers on it wich is roughly 60k miles engine is clean and well taken care of with a good history and papers to prove it. In this case i know i would drive it less than before when my car is done so would reliability be an issue?
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TwinTurboM3



Joined: 21 Mar 2008
Posts: 535

PostPosted: Fri Jul 17, 2015 2:03 pm    Post subject: Reply with quote

on www.supraforums.com you can read 100s of threads about stock engine's limits.

It all comes to:
-how well the engine has been maintained.
- torque figures.


A very recent topic demonstrates bent rods of a stock but boosted 2JZ.

So even if your stock engine has 1 mile off the factory you can bend the rods at over xxxx torque.
_________________
XM3 all wheel drive M3 twin 6266

0-60 mph 1,8 sec @ low boost
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