Turbocharger Change VF43 or VF48?
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Turbocharger Change VF43 or VF48?
I have an S202 which after a recent remap by Bob Rawle which is achieving 348 bhp/338 lbs/ft torque - but as has happened some many times before I now find myself wanting more power.
Now the car has already been partly modified as it has a full 3" exhaust system with a 100 cell sports cat, TSL Hybrid Green air filter and an Ecutek remap.
I am looking at changing the VF34 turbo for either a VF43 or 48 depending on best bhp/torque output, plus I am also looking at fitting ported headers and up-pipe or would sending them off for porting be just as good?
In short which turbo would be better (or suggest a different turbo capable of up to 400bhp) and what bhp/torque figures do you think would be feasible and ported headers or send away for porting?
Now the car has already been partly modified as it has a full 3" exhaust system with a 100 cell sports cat, TSL Hybrid Green air filter and an Ecutek remap.
I am looking at changing the VF34 turbo for either a VF43 or 48 depending on best bhp/torque output, plus I am also looking at fitting ported headers and up-pipe or would sending them off for porting be just as good?
In short which turbo would be better (or suggest a different turbo capable of up to 400bhp) and what bhp/torque figures do you think would be feasible and ported headers or send away for porting?
Last edited by Cannon Fodder; 23 January 2010 at 11:49 PM.
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im running the standard vf43 on my RB320 with green filter,3 inch 100 cell sports cat mated to the nurspec r, recently made 376bhp and 410 ft/lb of torque,martin at enginetuner reckoned with forged pistons he could get the car to **** 400bhp
Last edited by greg320; 24 January 2010 at 12:44 AM.
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399bhp fromn a VF35 and 400bhp from a VF43 on vpower ?
Wow, there's some fancy 'sooped up' dynos around these days
Last edited by Andy.F; 24 January 2010 at 02:47 PM.
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Ported headers will help, whether you fit an exchange set or have your own ported should see the same results. The change will be subtle though and the power and torque will ultimately determined by the turbo itself.
I wouldn't expect to see anything over 380bhp on the VF43. TD05-20G is usually around 30 bhp ahead of the average VF43 however 380 isn't an average VF43, with the range typically 345-375bhp, the 20G averaging 370-400bhp.
To guarantee 400bhp you would be looking at a Garrett hybrid of sorts.
Andy.
I wouldn't expect to see anything over 380bhp on the VF43. TD05-20G is usually around 30 bhp ahead of the average VF43 however 380 isn't an average VF43, with the range typically 345-375bhp, the 20G averaging 370-400bhp.
To guarantee 400bhp you would be looking at a Garrett hybrid of sorts.
Andy.
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Ported headers will help, whether you fit an exchange set or have your own ported should see the same results. The change will be subtle though and the power and torque will ultimately determined by the turbo itself.
I wouldn't expect to see anything over 380bhp on the VF43. TD05-20G is usually around 30 bhp ahead of the average VF43 however 380 isn't an average VF43, with the range typically 345-375bhp, the 20G averaging 370-400bhp.
To guarantee 400bhp you would be looking at a Garrett hybrid of sorts.
Andy.
I wouldn't expect to see anything over 380bhp on the VF43. TD05-20G is usually around 30 bhp ahead of the average VF43 however 380 isn't an average VF43, with the range typically 345-375bhp, the 20G averaging 370-400bhp.
To guarantee 400bhp you would be looking at a Garrett hybrid of sorts.
Andy.
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I in no way suggested that it would be guarenteed, but more that it would be an interesting test
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There is a vf48 for sale on eBay but it has damaged impellor blades so tbh i would only consider it after a rebuild had been carried out.
It could be a fairly inexpensive way of getting close enough to my goal.
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Greg320's car didn't just make 376bhp and 410lbft, it made it easily at not much boost at all. I suggested based on this that with some good supporting mods it might be possible to make 400hp from a built motor on decent boost.
I in no way suggested that it would be guarenteed, but more that it would be an interesting test
I in no way suggested that it would be guarenteed, but more that it would be an interesting test
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I have PM'd the seller (I sold him an STi roof spoiler) who I think you mapped for a while back, I am going to contact a couple of turbo reconditioners tomorrow to get prices for a new impellor shaft/blades and balancing.
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