Im running a VF34p18 on my 2.5L with no dramas at all. Makes full boost by 3,000 rpm and yes it tails off in the top end but because the 2.5 doesnt rev as hard as the 2L changing at 6500rpm works out well as thats when the power peaks anyway. Pulls like a train on the road but havnt tried it on drag strip on track. It all comes down too what do u want it for?

personally, i would not put a vf34p20 on a 2ltr. 2.5 yes.

If you're comparing to a 20G TD series turbo though?

Just because you've become a twinscroll advocate Tode!

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thanks guys thats some good help for me !
just need to keep saving so u can buy me a turbo

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True fun come from suspension mods, not engine!!

i like the sound of that, mmmmmmm..... ive priced up my new engine $3300 fitted 98 STi from JWS so thats the motor the TD05 will go onto...hopefully in the next few months..(fingers cross)
Now to find my injectors, fuel pump, ECU and other various bits and pieces
cheers guys

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married *check*
3 kids *check*
offroad toy *check*
my scoobie * to be continued*