Behold!!! the powah of the Nissan 4cyl turbo SR20DET engine

[gregshin]

Wow not bad for a 10year old stock engine block. Click on the links below for dyno and pics...let the import bashing begin!!!

1/13/03 - The race car preliminary hit the XS dyno today. Car made 239rwhp @ 0.6bar of boost pressure. Upon further tweakings and couple more runs, the car generated 302rwhp @ 0.8bar of boost pressure. At this point we will need to do more changes to the car and change out the wastegate spring to a more stiffer spring, and will go back to the dyno for 18-25psi tuning on race gas to see how far the stock motor setup will go!


5/2/03 - It's been awhile without any updates, got the car shortly back on the dyno today, @ 14psi the car generated 345rwhp! More to come after we fix MOOOOOOORE problems...life just can't go on without problems, but that is fine because one won't learn if there's no problems. Right now we are getting serious to have the car finished by Summer of 2003, with race wheel setup, new paint job and body kit, and have custom chromoly roll cage fabricated before shake down run.


5/12/03 - Did some clean up and tricks to the car to clean up the air flow and ignition curve, hit back the dyno today again @ 14psi pump gas generated 350rwhp!! Next is 18psi run..we'll see how long the stock motor can last.

UPDATE** 1.3 bar generated 388rwhp on pump gas (91 octane!)- overall air/fuel ratio 11.0:1. Slightly leaner ratio with higher boost level, push beyond 400rwhp on stock motor is within reach. (FYI: The motor that's in the car right now is no different than the average SR20DET frontclip everyone gets, this proves the SR20 is a very capable motor. However, since this car will probably not see public road, we still recommend keeping the HP tame for reliablity reasons).


5/15/03 - Fixed the misfire problem, mix in some 104 high octane race gas, turn the boost up to 20-21psi generated 422rwhp! ** UPDATE *** 25psi generated 474rwhp!!


Pics and Dyno

 

[Marshallj]

Nissan builds strong engines. A guy on the Z board is putting out 630 rwhp on his stock VG30DETT. Engine is still all stock internals. And others have put out more. An Aussie guy was putting out over 700rwhp on stockers.

And Escort racing races their drag Z, which has 1,200+ rwhp. They are still using the factory Nissan engine block and stock crank.

 

[JeffreyLebowski]

Nissan 4evar.

 

[BCYL]

That's really impressive for an engine with all stock internals... No wonder these engines are so popular in Japan...

But you have to wonder how long it can hold up this way in everyday driving...

 

[JeffreyLebowski]

what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

 

[gregshin]

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

 

[StageLeft]

Originally posted by: JeffreyLebowski
Nissan 4evar.

 

[isekii]

hehe

3S-GE,GTE with dual VVTI and 2JZ-GE,GTE for me

 

[JeffreyLebowski]

Originally posted by: gregshin

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

I had a 240 and wanted to keep it street legal so, building up the KA is the only way to go.

By dropping in the SR20det you are making your car not street legal.

 

[gregshin]

Originally posted by: JeffreyLebowski

Originally posted by: gregshin

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

I had a 240 and wanted to keep it street legal so, building up the KA is the only way to go.

By dropping in the SR20det you are making your car not street legal.

yeah...especially in cali where we have the smog nazis...but its all for the cause =) *crosses his fingers* my car BACKFIRES like you wouldnt believe and i cringe everytime i see a po po

 

[Spac3d]

Originally posted by: JeffreyLebowski

Originally posted by: gregshin

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

I had a 240 and wanted to keep it street legal so, building up the KA is the only way to go.

By dropping in the SR20det you are making your car not street legal.

Why is that engine not legal?

 

[ElFenix]

Originally posted by: Skoorb

Originally posted by: JeffreyLebowski
Nissan 4evar.

 

[NutBucket]

Originally posted by: Spac3d

Originally posted by: JeffreyLebowski

Originally posted by: gregshin

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

I had a 240 and wanted to keep it street legal so, building up the KA is the only way to go.

By dropping in the SR20det you are making your car not street legal.

Why is that engine not legal?

It was never certified by the Smog Nazis as someone so delicately put it. Technically the Honda motor I have waiting to go into my car won't be legal either but since there's an very similar US-model I can hopefully slip it through. That's what I'm hoping for anyway

 

[gregshin]

Originally posted by: Spac3d

Originally posted by: JeffreyLebowski

Originally posted by: gregshin

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

I had a 240 and wanted to keep it street legal so, building up the KA is the only way to go.

By dropping in the SR20det you are making your car not street legal.

Why is that engine not legal?

2 reasons why.....

#1 there is no Exhaust gas recirculater
#2 no is no air injection valve

 

[atom]

Originally posted by: gregshin

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

What makes it so much more difficult?

 

[JeffreyLebowski]

Originally posted by: atom

Originally posted by: gregshin

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

What makes it so much more difficult?

Mainly cost of parts and finding them for that engine. Plus there's not as much info out there as far as doing it, were as the sr20det is a drop in replacement that only requires a wiring harness change, and tranny if you change over from auto to stick(or change from a 5speed to an available 6 speed)

 

[atom]

Mainly cost of parts and finding them for that engine. Plus there's not as much info out there as far as doing it, were as the sr20det is a drop in replacement that only requires a wiring harness change, and tranny if you change over from auto to stick(or change from a 5speed to an available 6 speed)

When you swap KA to SR, you need the whole SR tranny or the bellhousing. What parts exactly are so much more expensive on a KA than a SR? You might not have as much a variety, but for the most part costs are very similar.

 

[Angrymarshmello]

That's not yours is it?

 

[gogeeta13]

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

Well, difference is the KA is not as strong as the SR. The SR can, and people do, run 15psi or more on a SR. This is due to the sr being built for boost. Little things like thicker rods, and bigger injectors, and ECU all make the SR a much cheaper(in the long run) engine to bost.

On the other hand, building a KA-T setup is extremely well yielding. The 2.4 has more displacement making it spool up even big turbo's very fast. It has lots of low end torque also. I have seen KA-t setups with t3/t4s that spool up 80% of their power by 3000rpm and we are talking a peak of 400 or more rwhp.

You just gotta build the motor first, tho. And run 300zxtt injectors, etc, etc.



anyways

gregshin, nice ride, I am looking for a 240 as my next car.

 

[gogeeta13]

Originally posted by: gregshin

Originally posted by: Spac3d

Originally posted by: JeffreyLebowski

Originally posted by: gregshin

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

I had a 240 and wanted to keep it street legal so, building up the KA is the only way to go.

By dropping in the SR20det you are making your car not street legal.

Why is that engine not legal?

2 reasons why.....

#1 there is no Exhaust gas recirculater
#2 no is no air injection valve

many people boosting USDM engines JBweld over their EGR valves anyways.....

 

NICE.
400+ bhp outta the engine is SWEET for stock man.
That things going to RIPPPPP when it's done!

 

[shabby]

No fair, he's using a cheater gas cap

Is that a 60-1 wheel by any chance?

 

[Mani]

Originally posted by: JeffreyLebowski
Nissan 4evar.

 

Could you drop something like this, into say a Bronco 2?

 

[NutBucket]

Originally posted by: gogeeta13

Originally posted by: gregshin

Originally posted by: Spac3d

Originally posted by: JeffreyLebowski

Originally posted by: gregshin

Originally posted by: JeffreyLebowski
what gets me thou is the KA24DE that comes in the 240sx has the same potential, just to many people want the SR.

mmm americans are big on displacement. The SR was 2.0 liter while the KA was 2.4liter non turbo. The potential to build a 2.4liter turbo monster is awesome...but doesnt justify the cost of building a N/A motor up to be turboed. I was gonna turbo my 2.4 liter but found it was just a headache to work with.

I had a 240 and wanted to keep it street legal so, building up the KA is the only way to go.

By dropping in the SR20det you are making your car not street legal.

Why is that engine not legal?

2 reasons why.....

#1 there is no Exhaust gas recirculater
#2 no is no air injection valve

many people boosting USDM engines JBweld over their EGR valves anyways.....

But the guy doing the smog doesn't know that. All he's looking for is that its actually there.