jed_1989

As above, just wondering out of those of you running 400 bhp on newage 2.0 engines, what sort of torque is/was the car running at. What are the best upgrades and turbo to increase torque?

Mine is running md555, with FMIC, 1000cc injectors, full 3" miltek and decat etc... @ 1.5 bar and is 414bhp and iirc 340 lb/ft, but as I've been looking about I've noticed people getting quite abit more. I know the 2 litre engine is not the best for torque but what realistically is achievable on my spec. Was thinking of adding equal length headers and a perrin inlet but the guy who mapped it recommended a different turbo which I didn't really want to swap.

Any advice would be great!

Thanks
Jed

jed_1989

On v power alone, not interested in meth figures as I'll not be using it, cheers

Rbon91

iTrader: (6)

Had this problem with mine ended up being knock sensor holding it back..... after days looking at everything my blob on a md321t was running 440/409
ryan

jed_1989

Interesting...

Is that on v power? Mapper just told me it was the turbo
U had equal length headers didn't you?

Rbon91

iTrader: (6)

Yes on vpower rcm gt spec header equal length

cheers ryan

jed_1989

He did mention it was holding back
But then had it back and it made better power and torque but not as high as I thought

How did u find out it was the knock sensor?

Blocks85

My 04 2.0 blob Sti.
Tdo6 20g billet( mapped 2 weekends ago with badly blowing manifold)
Port matched Japspeed headers, up pipe , de cat down pipe, induction kit, silicone intake pipe, 660's, Japspeed fmic


Going for a re map this sat after going making the turbo rotated turbo kit, more efficient straight inlet and no blowing exhasut mani so will see what it can do and if the torque increases. Cheers

Blocks85

Torque normally follows the boost curve, prior to this turbo I had a heavily ported vf43 and a meth map.
When that hit its full boost peak of 1.7bar at 4k it was making 412lb/ft torque. Then the boost died off to 1.2 bar

jed_1989

What was max torque? 390?

Blocks85

Yeah 390 mate

Rbon91

iTrader: (6)

Only thing that didnt check and had a spare one... sorted it straight away!!

Blocks85

On the vf43 I was making 390 torque on v power and 412 torque on meth.
Here is the graph.

Blocks85

When Martyn mapped my car through the stages, the biggest increase in torque he said always came from the headers giving the turbo more flow. More flow, more boost, more torque.
I gained like 60ft torque form headers and front mount

jed_1989

Might be worth a go, I spoke to turbo dynamics and they said this turbo should achieve 360+. Can't understand y it's making good power but low torque

jed_1989

I wanted to go for the headers but Gaz @ gr said it was pointless on this turbo

Blocks85

There where your odeon on torque due to no headers.
That's a big turbo to not put headers on. Rcm headers on that's would change it

scooblet

iTrader: (5)

This is interesting as i have just bought a car that made 413bhp and 330lbft torque. so im interested to know the answer to this too, guy i bought the car from mentioned it could be the up pipe being too big but would that make that much difference.

Blocks85

For the better.
So much benefit to be had with them

Blocks85

My tubular headers and up pipe are ported right to the edge of the gasket to as big as it can possibly be taken out.
On a ported vf 35 I was making this
352/360 torque

jed_1989

Like i said mate, Gaz said if ur going to get headers u need to change turbo n said not to bother :/ would like a 2nd opinion but not really any other mappers round my way and I do like GR

What turbo is that on, I'm not sure if mines about 335lb/ft.
I know it's just shy of 340 but not sure of exact figure without digging paperwork out

jed_1989

You seem to be getting the figures id expect from mine :/ was just abit confused as to y Gaz sed don't bother with the headers on the md555

scooblet

iTrader: (5)

My turbo is RCM400.

Blocks just facebooked you fool! check your inbox

Blocks85

Yeah I can't really get that either, Martyn at ENGINETUNER has mapped my car 4 times and the biggest jump he said had been down to headers.
I'm hoping for somewhere around 410/430hp and 400 torque on sat

kevfawcett

iTrader: (7)

On a sc42 billet mine made 410bhp and 360lb/ft which I thought/think is a bit low and boost doesn't come in till 4500-5000rpm so I may look at the knock sensor as well

craigyp

iTrader: (5)

im running a mdxt on 440hp and only 370 torque.

jayallen

iTrader: (31)

404bhp/365ftlb on a 20g @1.4bar

Jacko4130

iTrader: (3)

429/380 Sc46 @ 1.8 bar

peter zippy reid

iTrader: (25)

420/368 on aet 20g

Ozne

My old 2.0 blob was running 370bhp and 340ft lb on an SC42 and was pretty laggy.

My new 2.5 is kicking out 485ft lb on V Power and much less laggy, SC 46.

jed_1989

Might have to try knock sensor, see if that makes a difference