Hey im looking for a new turbo just didnt know what one is gunna be better? what will produce more power and be a better turbo in general

 

What sort of power are you wanting? Are you happy to sacrifice quick spool for more power or do you want a quick spoling turbo with lots of low down torque

 

well this is the question the mods i have so far is a full 3" decat system, uprated fuel pump, uprated headers, cold air intake, front mount intercooler and need a set of 750cc injectors so wondered what turbo would be better with that lot to hit the 400 horses mark

 

Vf43 i dont know
18g around 350/370
20g 370/400

All dependand on what other stuff you have fitted with them

 

An 18g wont get to 400 a 20 might at a push

 

but will the VF43?

 

43 i dont know. The 18's max out around 370 or just over. But the low down spool is great.

 

is that what you running then on yours mate?

 

Vf43 is good for 350-360 max. The 20g with a meth mix map would get the 400 you want. I am going down the vf48 route with meth map

 

Yep i have an 18g. Had it about 4 years now and still going strong

 

Mainly depends what you have STi or WRX,2.0L or 2.5L and from this you should have look for turbo.



Jura

 

i have a 2002 sti 2.0 litre and aint the 43 and 48 practically the same?

 

The vf48 produces better results, do a search on them.

 

Yes they're similar just VF48 will flow more and made more bhp,but still these turbos are great on 2.5L

If you looking for spool and real quick road car i would go with 18G or VF34,these two turbos are similar and have similar spool characteristic.

If you are looking for BHP,i would go with 20G,with right setup is possible 400bhp+,with VF43/48 not sure if they will made 400bhp+

VF48 will make with right parts around 360-380bhp,VF43 will make again with right parts 340-375bhp.


Jura

 

Don't bother with the VF43, they are prone to cracking VF48 is supposed to be a good turbo OEM upgrade

 

TBH all the above will give similar reults on a bug STi in the real world IMHO

When I went for my TD05 18G plus a bit of methanol on my bug I went for EXE-TC suspension to try and stop it from killing me...

http://www.exe-tc.co.uk/news_images/...20Iss%2042.pdf

Shaun

 

is that a plug there shaun lol

Grant

 

Sc38 or Sc40 be perfect on a new age sti. sc40 if its a jdm

 

sorry for my ignorance but what is a sc38? and its not a jdm its just a sti prodrive

 

Scooby clinics billet range

 

If you looking for spool and real quick road car i would go with 18G or VF34,these two turbos are similar and have similar spool characteristic.


He has a 35 from standard so a 34 will give little or no gain

 

Would be a vf30 if bug prodrive.

 

Would not. Vf35 from factory. Have one on my garage floor lol

 

Seeing as you have 740cc's i.e. loads of fuelling (for well over 500!), then I'd whack on the SC42 Billet. Assuming all other supporting mods are sorted, you'd be unlucky not break 400 on V-Power only (probably lol).

Kev at the Clinic seems to think the spool of the 42 is similar to the "2 sizes down" SC38!

 

TD05-18G for me produces 388 PS at a 2.0 lt engine with supporting mods

 

I have always wondered how an 18G would compare directly to the VF48 actually. Particularly interested in seeing them with a meth mix!

 

Looking to swap my 18g for a vf35 if anybody interested

Wiley

 

I have a vf35 coming off my car in 10 days time and if you are certain about swapping it i will do a deal with you mate.

 

Why are you going for a smaller turbo?

 

Better spool than VF35 have VF34 or 18G.


Jura