20G on a 2.5 what kind of figures?
17 July 2009, 11:34 AM
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20G on a 2.5 what kind of figures?
my car is currently been run in by engine tuner its a ver 4 sti type r with a built 2.5, i had my 20G previously on a 2litre build and it made 419/379 with 10% meth. i have full suporting mods and im going for a engine tuner S206 once i get used to that power again which proberly mean end of the month.
what kind of figures are people getting from 20G on a 2.5 and where in the rev range are they getting full boost??
what kind of figures are people getting from 20G on a 2.5 and where in the rev range are they getting full boost??
17 July 2009, 07:19 PM
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more torque sounds like more fun that would be great for a few weeks i guess ill proberly take a trip to the strip to see if i can get a quicker time than last time..
17 July 2009, 08:49 PM
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Unmapped 12.4s @ 105
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Location: Newcastle. 330bhp-289lb/ft @ 1bar boost - 12.4s @ 105mph
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Mates car;
434bhp and 388lb/ft in a Type R
TyneTeesScoobies :: Garage
Lashed him 5 times at SSO last year.
434bhp and 388lb/ft in a Type R
TyneTeesScoobies :: Garage
Lashed him 5 times at SSO last year.
17 July 2009, 10:30 PM
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434bhp bloody hell thats bloody good but im sure his using meth 388lb/ft is 8 more than i had on my previous 2 liter build.
full boost at 3k sounds the nuts
full boost at 3k sounds the nuts
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18 July 2009, 09:10 AM
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Unmapped 12.4s @ 105
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Just on V-Power I beleive. It was on the ragged edge of standard pistons though, and let go a couple of weeks ago 
To be fair, he knew it was on borrowed time.
To be fair, he knew it was on borrowed time.
18 July 2009, 12:08 PM
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434 on standard fuel chuck in a bit of meth and that should surpass andyF 440bhp when he had the 20G lol you sure it wasnt some dodgey rollers?
19 July 2009, 02:00 PM
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From what I have seen on this forum, 22b.com and nasioc 20G's on E257's seem to make less power than what they do on 2.0/2.1's however they make alot more torque, every single one is producing more than 400lbsft
22 July 2009, 01:41 AM
#17
On straight petrol and a representative rolling road this turbo was never likely to do 434 bhp. Incidentally the car in question was also running "ported O/E headers". Comparing claimed turbo output figures on different rolling roads, on different days, without absolute knowledge of the fuel and boost in use is rather pointless.
There have been some spectacular headline figures in the past but the current crop of 05-06 20G turbos often struggle to make 380 bhp, sometimes a good bit less and 380-400 bhp on V-Power plus NF is a good one which is beyond the reach of most. Unfortunately there are many disappointed owners of these turbos.
There have been some spectacular headline figures in the past but the current crop of 05-06 20G turbos often struggle to make 380 bhp, sometimes a good bit less and 380-400 bhp on V-Power plus NF is a good one which is beyond the reach of most. Unfortunately there are many disappointed owners of these turbos.
22 July 2009, 08:27 AM
#18
Since then, the intake was found to be faulty and letting random air flow past the MAF mount, so its gone back to a std air box with snorkelectomy (& remap).
It now struggles to 355 hp (Zen RR again) while showing a definite power peak curve, so a decent intake will now be sourced and normal service hopefully resumed.
nick
Last edited by Butty; 22 July 2009 at 08:31 AM.
23 July 2009, 02:18 PM
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Pat Holborn mapped my 2.5 although it's never been on the rollers he thought it was somewhere in the region of 400 400 it make's for an incredible road car !! It really is very very quick point to point !!!
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