Vf28 turbo wanted
Discussion
VF series is a newer design with a better centre bearing and is a less laggy than the TD series units.
With a few tweeks TD05's can produce more power than a Vf28.
Especially if you machine them to fit a TD06 20g cartridge and port the exhaust.
But, the strandard TD turbos' as fitted to Version 1/2 cars from the factory will not fit later 3 onward cars as it has a top entry cold side and not the front entry cold side that was fitted to the later cars.
With a remap, decat, fuel pressure increase and nothing else a P1_Sti5/6 will net you a genuine 320bhp.
The same car could get 20bhp more from a hybridised TD05 20G.
With a few tweeks TD05's can produce more power than a Vf28.
Especially if you machine them to fit a TD06 20g cartridge and port the exhaust.
But, the strandard TD turbos' as fitted to Version 1/2 cars from the factory will not fit later 3 onward cars as it has a top entry cold side and not the front entry cold side that was fitted to the later cars.
With a remap, decat, fuel pressure increase and nothing else a P1_Sti5/6 will net you a genuine 320bhp.
The same car could get 20bhp more from a hybridised TD05 20G.
Edited by Hol on Thursday 5th March 13:35
Hol said:
VF series is a newer design with a better centre bearing and is a less laggy than the TD series units.
With a few tweeks TD05's can produce more power than a Vf28.
Especially if you machine them to fit a TD06 20g cartridge and port the exhaust.
But, the strandard TD turbos' as fitted to Version 1/2 cars from the factory will not fit later 3 onward cars as it has a top entry cold side and not the front entry cold side that was fitted to the later cars.
With a remap, decat, fuel pressure increase and nothing else a P1_Sti5/6 will net you a genuine 320bhp.
The same car could get 20bhp more from a hybridised TD05 20G.
Thanks for that explanation. I've got a UK Turbo with a TD05 18G running around 300bhp, apparently the mapper held back a bit as its a 15yo 95k mile car on the original engine and gearbox. With a few tweeks TD05's can produce more power than a Vf28.
Especially if you machine them to fit a TD06 20g cartridge and port the exhaust.
But, the strandard TD turbos' as fitted to Version 1/2 cars from the factory will not fit later 3 onward cars as it has a top entry cold side and not the front entry cold side that was fitted to the later cars.
With a remap, decat, fuel pressure increase and nothing else a P1_Sti5/6 will net you a genuine 320bhp.
The same car could get 20bhp more from a hybridised TD05 20G.
Edited by Hol on Thursday 5th March 13:35
The 18G is a bigger turbo than I would have liked but the specialist I use recommended it and in fairness it drives very nicely but it is a bit laggier than I'd have liked. I think a 2.1 stroker build would sort this nicely...when funds allow! I'd then hope for c.330bhp (still on the TMIC) but with much earlier spool and a fatter torque curve without (hopefully) breaking the box!
Apologies OP for derail!
HonestIago said:
Hol said:
VF series is a newer design with a better centre bearing and is a less laggy than the TD series units.
With a few tweeks TD05's can produce more power than a Vf28.
Especially if you machine them to fit a TD06 20g cartridge and port the exhaust.
But, the strandard TD turbos' as fitted to Version 1/2 cars from the factory will not fit later 3 onward cars as it has a top entry cold side and not the front entry cold side that was fitted to the later cars.
With a remap, decat, fuel pressure increase and nothing else a P1_Sti5/6 will net you a genuine 320bhp.
The same car could get 20bhp more from a hybridised TD05 20G.
Thanks for that explanation. I've got a UK Turbo with a TD05 18G running around 300bhp, apparently the mapper held back a bit as its a 15yo 95k mile car on the original engine and gearbox. With a few tweeks TD05's can produce more power than a Vf28.
Especially if you machine them to fit a TD06 20g cartridge and port the exhaust.
But, the strandard TD turbos' as fitted to Version 1/2 cars from the factory will not fit later 3 onward cars as it has a top entry cold side and not the front entry cold side that was fitted to the later cars.
With a remap, decat, fuel pressure increase and nothing else a P1_Sti5/6 will net you a genuine 320bhp.
The same car could get 20bhp more from a hybridised TD05 20G.
Edited by Hol on Thursday 5th March 13:35
The 18G is a bigger turbo than I would have liked but the specialist I use recommended it and in fairness it drives very nicely but it is a bit laggier than I'd have liked. I think a 2.1 stroker build would sort this nicely...when funds allow! I'd then hope for c.330bhp (still on the TMIC) but with much earlier spool and a fatter torque curve without (hopefully) breaking the box!
Apologies OP for derail!
I've got a forged 2.0 running a VF37 (twin scroll) and although I do love it, dependent on the requirement there can be cheaper options which can deliver either as much or more.
I liked the idea of the twin scroll for faster spool whilst still delivering a great top end but there is a lot of work required to do that. The car sounds utterly different and to call the performance great would be an understatement!
Anyway here is a useful guide on turbo's http://www.scoobynet.com/general-technical-10/9453...
AntiLagGC8 said:
Good choices!
I've got a forged 2.0 running a VF37 (twin scroll) and although I do love it, dependent on the requirement there can be cheaper options which can deliver either as much or more.
I liked the idea of the twin scroll for faster spool whilst still delivering a great top end but there is a lot of work required to do that. The car sounds utterly different and to call the performance great would be an understatement!
Anyway here is a useful guide on turbo's http://www.scoobynet.com/general-technical-10/9453...
The 37 and 36 are fantastic turbos. I've got a forged 2.0 running a VF37 (twin scroll) and although I do love it, dependent on the requirement there can be cheaper options which can deliver either as much or more.
I liked the idea of the twin scroll for faster spool whilst still delivering a great top end but there is a lot of work required to do that. The car sounds utterly different and to call the performance great would be an understatement!
Anyway here is a useful guide on turbo's http://www.scoobynet.com/general-technical-10/9453...
I owned a remapped Twinscroll car back in 2005 and it had awesome power delivery and gave 416ibs of torque.
There's a thread about it on SN, with notes and explanation by Bob Rawle.
Edited by Hol on Saturday 7th March 10:40
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