VVL Dyno numbers!

Rockwood · 04-02-2002, 04:12 PM

well, shaggy (Chris Allen) dynoed amber's NX2000 with VVL motor

it did 176 whp, and 150 something torque, IIRC.

mods include:

stock SR20VE
HS G1 header
ghetto intake
stock NX2K computer
no exhaust.

i will see if the actual dyno chart cvan be furnished.

92SE-R · 04-02-2002, 05:36 PM

143 torque.

Rockwood · 04-02-2002, 05:51 PM

yeah, whatever, close enough!

enjoyDride · 04-02-2002, 05:52 PM

Quote:

Originally posted by HotshtSR20
well, shaggy (Chris Allen) dynoed amber's NX2000 with VVL motor

it did 176 whp, and 150 something torque, IIRC.

mods include:

stock NX2K computer

Stock ECU, so it didn't use the VVL affect??

Rockwood · 04-02-2002, 05:58 PM

nah, it has some sort of RPM switch, i forgot which. i think he is using a shift light, or the MSD RPM switch, one or the other.

autoxer7 · 04-02-2002, 08:08 PM

So Amber is running an 11:1 compression motor with the stock ECU which is designed for 9.5:1? I know that the VVL is supposed to be more detonation resistant but I'm not sure it's a chance that I'd take.

Does anyone know what JWT/Clark does to create a VVL specific ECU? I wonder if Clark just takes the fuel map from a stock VVL ECU and copies it over and then compensates for the cars injector size and MAF.

Steve

Slow 96R · 04-02-2002, 08:53 PM

I spoke to Benn today @ JWT. He said they fix the ECU to trigger the variable timing to make the cams work better to produce more power. It's $270 on top of the progaming of the JWT ECU for this. I believe it'll be worth it.

Rockwood · 04-02-2002, 09:19 PM

i think the motor is still running the 310cc injectors, which will make it burn more rich than it should, as it is getting signal for the 259cc's. this is just speculation, i will ask chris next time i see him.

chris200t · 04-02-2002, 09:26 PM

Here is the Dyno Chart.

The mods where as followed

1st GEN Stillen POS Header.
Ghetto Intake and No Exhaust

Ambers DYNO Cart BOW DOWN!!! :p

chris200t · 04-02-2002, 09:38 PM

Quote:

Originally posted by HotshtSR20
i think the motor is still running the 310cc injectors, which will make it burn more rich than it should, as it is getting signal for the 259cc's. this is just speculation, i will ask chris next time i see him.

No I swaped the 259's back in.. The fuel Mixture was 13.5:1 across the board. Leaner then most would like but just on the edge to make the most HP. Timing is probebly pritty agressive as well for the VE. I dyno tuned the car over at Sleeper Motorsports as Brian is Super Cool as fu*k and let me use there dyno for as long as I needed at no charge. Anything other then 15 deg of timing it lost HP. I set it to 17 and 19 deg and lost HP anywhere from 3-6 HP. But the car did leave with an extra 4 WHP so it is pretty dialed in at the moment. I am working on geting a Nice Exhaust Manifold built with all Burn's Stainless. I hope to see at least an extra 10 WHP from that along with a good exhaust. We will see what happen's

Burn's Stainless

CNibbana · 04-02-2002, 09:47 PM

ALL JWT does is program for the VE 314cc injectors and VE MAF if you are using it. That's it. If you opt for the $265 daughterboard option all it does is trip the VVL solenoids at 6xxx RPM. It doesn't do anything else VVL specific.

If you have JWT program for the injectors and MAF and use an MSD or other trigger you get the same effect with no disadvantages. In fact, you get the benefit of being able to adjust the VVL changeover point which is not an optiion with ther JWT daughterboard.

Quote:

Originally posted by Slow 96R
I spoke to Benn today @ JWT. He said they fix the ECU to trigger the variable timing to make the cams work better to produce more power. It's $270 on top of the progaming of the JWT ECU for this. I believe it'll be worth it.

chris200t · 04-02-2002, 09:58 PM

Quote:

Originally posted by CNibbana
ALL JWT does is program for the VE 314cc injectors and VE MAF if you are using it. That's it. If you opt for the $265 daughterboard option all it does is trip the VVL solenoids at 6xxx RPM. It doesn't do anything else VVL specific.

If you have JWT program for the injectors and MAF and use an MSD or other trigger you get the same effect with no disadvantages. In fact, you get the benefit of being able to adjust the VVL changeover point which is not an optiion with ther JWT daughterboard.

I am sure thay change the fule and timing maps on the dautherboard as well. and the VVL hits at 4800 RPM as of now I beleve. Thats where it is best to set as the Dyno says so.

Shoes59 · 04-03-2002, 09:37 AM

Quote:

Originally posted by chris200t
I am working on geting a Nice Exhaust Manifold built with all Burn's Stainless.

Please tell me you can make more than one. If it's designed for a B13 and will clear a N-Tech lower control arm brace I'll buy one.

BTW, can you offer any suggestions as to what plugs to run. I pulled NGK BKR6E-N's from the motor and the tech at NGK said I can use BKR6EIX or stock # 6418. Does this sound right?

chris200t · 04-03-2002, 09:41 AM

Quote:

Originally posted by Shoes59

Please tell me you can make more than one. If it's designed for a B13 and will clear a N-Tech lower control arm brace I'll buy one.

BTW, can you offer any suggestions as to what plugs to run. I pulled NGK BKR6E-N's from the motor and the tech at NGK said I can use BKR6EIX or stock # 6418. Does this sound right?

Ya from my understanding there are 2 stock plugs for SR20DE's theres a heat range 5 for low speed driving and a heat range 6 witch is most comonly used. So I would say yes to that just get some heat range 6's from the dealer.

CNibbana · 04-03-2002, 04:17 PM

Quote:

Originally posted by chris200t

I am sure thay change the fule and timing maps on the dautherboard as well. and the VVL hits at 4800 RPM as of now I beleve. Thats where it is best to set as the Dyno says so.

I spoke with Clark about it a couple of weeks ago and he told me they don't adjust the maps on the daughterboard. I also asked him if there was any benefit of going the daughterbaord route instead of the MSD triggers and he said no.

chris200t · 04-04-2002, 10:01 AM

Quote:

Originally posted by CNibbana

I spoke with Clark about it a couple of weeks ago and he told me they don't adjust the maps on the daughterboard. I also asked him if there was any benefit of going the daughterbaord route instead of the MSD triggers and he said no.

Humm. Well next time I am down there I am sure I will find out somthing new. Thay are allways busy working on making there stuff better. I know alot of work was done in the last few weeks on the VVL project.

JRios · 04-07-2002, 11:16 AM

176 whp, interesting. I don't know if anybody has thought of this but, isn't this engine supposed to come with 178 HP. Can we say underrated??

Mindset · 04-07-2002, 04:54 PM

I guess no one ever told you the difference between whp (wheel HP) and bhp (brake hp)
whp = hp the wheels are putting down to the ground.

176whp = over 200bhp

And btw the sr20ve comes with 187bhp. So i think its just fine.

sr20sleeper · 04-07-2002, 05:57 PM

I think that JRios meant that a stock motor putting 176 to the wheels when its rated at 187 to the crank makes him think they might underrate the actual output of the motor from the factory. If it was really 187 at the crank it should only be like 160whp instead of almost 180. Not that he doesnt understand the difference between BHP and WHP. at least thats how i took the statement.

nathan

bigtom · 04-07-2002, 06:50 PM