vf23 or tdo4??
18 July 2008, 07:41 PM
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vf23 or tdo4??
which is best as my v3 had a vf23 before the engine blew and was changed for a v4 engine with a tdo4. been told td04 is better as it is a roller bearing but i thought a vf23 was better??? anyone know which is better and why
18 July 2008, 08:46 PM
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the garage who i bought the car off who also replaced the engine a couple of weeks ago after it blew up an hour after buying it.
i have asked if the vf23 is better as i wanted it back on but they say the td04 is a better turbo cos its rollerbearing???
i have asked if the vf23 is better as i wanted it back on but they say the td04 is a better turbo cos its rollerbearing???
18 July 2008, 10:45 PM
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Oh and the VF23 is a better turbo over the TD04, and id be worried if your car is suppose to have a VF23 and has a TD04 on its map, a bit scary!
Tony
18 July 2008, 11:53 PM
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well i queried the noise the turbo makes as you can hear it spooling up and down very clear, and they said its deffo a roller bearing turbo, is there anyway i can tell what it is just by looking at it,
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19 July 2008, 02:49 PM
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hi m8 thers no comparison with tdo4 to vf23. i have vf23 fitted to my2000 classic and mapped with apexi and all necessary mods,its awsome comes on boost early ,massive midrange all the way up to redline never tales off. you must have it mapped properly though to give you less lag at the bottom end. once sorted its some turbo in a lightweight classic for resonable money.
19 July 2008, 03:54 PM
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VF24 is standard off the V4 STI and is a roller bearing Turbo 
Did you get the boosting problem sorted?
Here is some info I found on the two turbos when I was checking mine out.
The VF23 starts the middle ground. It comes on boost around 3100 rpm and is capable of running 20 psi of boost. Expect to max out the VF23 somewhere in the 300-350 hp range.
The VF 24 starts to come on around 2900 rpm and will significantly improve power through the midrange over the stock TD04 turbo. However, the VF 24 is only capable of running around 17 psi.
Did you get the boosting problem sorted?
Here is some info I found on the two turbos when I was checking mine out.
The VF23 starts the middle ground. It comes on boost around 3100 rpm and is capable of running 20 psi of boost. Expect to max out the VF23 somewhere in the 300-350 hp range.
The VF 24 starts to come on around 2900 rpm and will significantly improve power through the midrange over the stock TD04 turbo. However, the VF 24 is only capable of running around 17 psi.
Last edited by rbaz; 19 July 2008 at 03:58 PM.
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