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Precision Billet Turbos

R32GTR/Iceland
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SimonR32 Grand Master

SimonR32

Posted
Posted

that one is defs a 2.8, asking for ya boi vims see if there is a graph for a 6870 on a 26

Think it made over 800rwhp for about 3000rpm which is just silly!

Not sure on a 2.6L, it would shit out power but be fairly laggy. Doesn't vims want a track car?

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SimonR32
SimonR32

The 6262 sillyness is never ending... New cams just got the most power and torque it's ever made

SimonR32
SimonR32
Mick_o
Mick_o

Dale is 100% correct its a well proven fact that smaller cams in RB's aid in response. Even going from a stock cam to a type b pon cam will cost you response. Been many track guys that have thrown the

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GTRPSI Mentor

GTRPSI

Posted
Posted

Think it made over 800rwhp for about 3000rpm which is just silly!

Not sure on a 2.6L, it would shit out power but be fairly laggy.

Id agree with that, some good results happening on 3.0L and 3.2 stroker kits with the 6870 from what im seeing around.

Could be OK for a 2.6 if a small enough rear housing is selected, but it would be a issue up top end when at song. (depending on how hard you pushed it)

jangles Veteran

jangles

Posted
Posted

Very very nice mate must come on song strong !

6466 is still my fav turbo, seen results range from 500- to over 600kw

No need for dirty big 6870's and 7175's etc

Haven't got it back yet. Imagine it would push towards 600 with another 3-5psi like other results I've seen.

Definitely a good choice for E85.

GTRPSI Mentor

GTRPSI

Posted
Posted

Do you have a dyno graph or 38psi 2nismo?

I saw a dyno result of a 6870 on a 2.6 today with cams, low 30ish boost, make mid 500'sKw, was as laggy as hell, not very impressed, looked like a slug to drive on the street, nothing then all.

Seen a few like this so far on 2.6's, seems like the 6870 is more towards the extra 15% capacity that a 3.0L or stroker delivers.

Looks like 2.6's run a larger area under the curve on the 6466....

SimonR32 Grand Master

SimonR32

Posted
Posted

Do you have a dyno graph or 38psi 2nismo?

I saw a dyno result of a 6870 on a 2.6 today with cams, low 30ish boost, make mid 500'sKw, was as laggy as hell, not very impressed, looked like a slug to drive on the street, nothing then all.

Seen a few like this so far on 2.6's, seems like the 6870 is more towards the extra 15% capacity that a 3.0L or stroker delivers.

Looks like 2.6's run a larger area under the curve on the 6466....

It's a 1100hp turbo on a 2.6L, it was never going to be responsive. I would say my 6262 is right in the sweet spot for a 2.6L non drag application but it's rated at 705hp.

6466 would be a good all rounder for a 2.8L and a 6870 isn't too bad from what I have seen but more towards a drag power band.

HarrisRacing Proficient

HarrisRacing

Posted
Posted (edited)

It's a 1100hp turbo on a 2.6L, it was never going to be responsive. I would say my 6262 is right in the sweet spot for a 2.6L non drag application but it's rated at 705hp.

6466 would be a good all rounder for a 2.8L and a 6870 isn't too bad from what I have seen but more towards a drag power band.

I completely agree, 6262 or BW EFR 8374 is the biggest I would go on a real streetcar, up to 3.0L. I wonder how far off the compressor maps the 2.6 is with some of these giants? And I guess I will keep wondering because Precision doesn't need no stinkin' compressor maps!

Edited by HarrisRacing
2rismo Grand Master

2rismo

Posted
Posted

Do you have a dyno graph or 38psi 2nismo?

I saw a dyno result of a 6870 on a 2.6 today with cams, low 30ish boost, make mid 500'sKw, was as laggy as hell, not very impressed, looked like a slug to drive on the street, nothing then all.

Seen a few like this so far on 2.6's, seems like the 6870 is more towards the extra 15% capacity that a 3.0L or stroker delivers.

Looks like 2.6's run a larger area under the curve on the 6466....

No point until it has enough injector. Then you'll see the whole thing. Ethanol and a torque converter fill the hole that might otherwise be there with a petrol/manual.

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