Borg Warner EFR Series Turbo's V 2.0

[Predator1]

3 hours ago, Full-Race Geoff said:

The 9180 1.05 can easily supply 500rwkw worth of airflow.  the rest of the setup will need to support this, fuel is the biggest factor (knock)

Full-Race has a few in stock, there will be a sale for the big holiday in the states this weekend

BTW, I meant awkw, not rwkw.

[Piggaz]

2 hours ago, Predator1 said:

BTW, I meant awkw, not rwkw.

Piss it in. 8374/1.45 on my setup went 517 AWKW at 122,000 turbine RPM. 490 AWKW with the 1.05 bum.

[Predator1]

21 minutes ago, Piggaz said:

Piss it in. 8374/1.45 on my setup went 517 AWKW at 122,000 turbine RPM. 490 AWKW with the 1.05 bum.

Thanks mate. Is that on a 2.8 and on 98 or flex? Looks like you were just under the line there - for the 8374, is it 125k max shaft. speed?

[Piggaz]

2.8, heavily modified head, e85 fuel.

128k is the max for the 8374 from memory.

[Nismo 3.2ish]

Paul , you have had the 1.45 on for a while now and at first you were sort of thinking about switching back to the 1.05.

You have had a few runs now and one today with Dan , have you made your mind up yet ?

 

[fatz]

1.45 no good? 

 

Dont they make like 4 million kw in seppo land? 

[fatz]

1.45 no good? 

 

Dont they make like 4 million kw in seppo land? 

[Lithium]

2 hours ago, Nismo 3.2ish said:

you have had a few runs now and one today with Dan , have you made your mind up yet ?

 

Nugget. Spending money on the wrong things, needs a shift boot and a front lip ffs.

I am too upset to talk about it in depth right now but will update with more when I am back in NZ ?

Edited August 31, 2018 by Lithium

[Piggaz]

56 minutes ago, fatz said:

1.45 no good? 

 

Dont they make like 4 million kw in seppo land? 

1.45 has its place. Did the Huntley hill climb today and just doodling through it at a corner that I had huge issues with the twins, it was ready to turn tyres.

I won’t be going back to the 1.05. Sub 3000 RPM there is Definately a penalty to pay, it feels a bit “soft”, from 4000 RPM it’s fine. If you’re “driving it” it’s all there. The 0.92 IMO should be made redundant IMO. No need for it.

Still well infront is the -5’s that we’re on it either way. 

[Nismo 3.2ish]

Without the head work you have done and slightly higher CR 9.1 ish , would the 1.45 still give you what you want or just lag it to much for what you like in a Street car

Guess without some sort of comparison it would be hard to know how much difference it would make .

[Piggaz]

11 hours ago, Nismo 3.2ish said:

Without the head work you have done and slightly higher CR 9.1 ish , would the 1.45 still give you what you want or just lag it to much for what you like in a Street car

Guess without some sort of comparison it would be hard to know how much difference it would make .

Stock head no.

Depends on what you want, what you’re happy with. Having driven both, I would want my cake and eat it too. If the engine ever comes out I’ll throw a V cam at it and possibly bump the compression up a tad higher. Cake and eat it too?

[Nismo 3.2ish]

As you know I am thinking of doing some headwork ( never ends lol) wondering if anyone has a 3.0 or 3.2 Lt that has has the compression increased  up to 10.5 ish   , mine is down to 8.1 for whatever reason during work on the stroker build ?

Maybe also done  some port & polish work?

Back to back Dyno runs would be great 

I will stick with the 8374/1.05 

[GTSBoy]

Of course you should do that.  8:1 is 1980s CR for boost.  But you won't get that increase by changing the head. You'll need pistons.

20% increase in capacity means a 20% increase in head flow wouldn't be a bad idea.  Easily achieved with sensible porting.  1mm bigger valves gives the perfect opportunity to properly do the seat angles and shape the bowl into the back of the seats.  And there goes 5 grand.

[Piggaz]

8 minutes ago, GTSBoy said:

Of course you should do that.  8:1 is 1980s CR for boost.  But you won't get that increase by changing the head. You'll need pistons.

20% increase in capacity means a 20% increase in head flow wouldn't be a bad idea.  Easily achieved with sensible porting.  1mm bigger valves gives the perfect opportunity to properly do the seat angles and shape the bowl into the back of the seats.  And there goes 5 grand.

A decent full effort head costs as much as the bottom end. That’s where the last 15% of performance is found. Depends on how much that last bit is worth to you.

 

 

Sort it out Pete!

[Nismo 3.2ish]

20 minutes ago, GTSBoy said:

Of course you should do that.  8:1 is 1980s CR for boost.  But you won't get that increase by changing the head. You'll need pistons.

20% increase in capacity means a 20% increase in head flow wouldn't be a bad idea.  Easily achieved with sensible porting.  1mm bigger valves gives the perfect opportunity to properly do the seat angles and shape the bowl into the back of the seats.  And there goes 5 grand.

There will have to be new pistons to go with the new work, it will have to be done properly especially with the Vcam in the car, I already have 1mm OS valves 

i decided that if I am going to pull the donk down, get it all done at the same time

Wouldn’t do it if I did not have E85 close by now ?

[Nismo 3.2ish]

24 minutes ago, Piggaz said:

A decent full effort head costs as much as the bottom end. That’s where the last 15% of performance is found. Depends on how much that last bit is worth to you.

 

 

Sort it out Pete!

Yeah mate , as you know I have been tossing it around for a long time and can’t help myself, must do it , have to feel the difference when I press the peddle, like an Fn drug ?

[fatz]

Pulling down a running motor is just dumb

just saying

 

break then fix

[Ben C34]

Nitrous

[Nismo 3.2ish]

Just now, fatz said:

Pulling down a running motor is just dumb

just saying

 

break then fix

Know what you mean but I am not going to break it anytime soon and at 76 , F it I want to finish It , just wish I knew what I wanted at the getgo, but I think there are many blokes doing work on their cars and the goal posts just seem to keep moving 

But I had no idea I would go this far , it just gets in your blood like herpies and just keeps coming back when you think it over ?

[Nismo 3.2ish]

7 minutes ago, Ben C34 said:

Nitrous

Pass mate