GTX4294r or GT4508r for my 20B?
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Joined: Mar 2012
Posts: 1
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From: Australia
JUst out of interest..My input
I have a 20b that makes 703.7hp atw @20psi on 98 RON Pump fuel with meth enrichment (fine really small amount - safer for the engine on higher boost incase I get a bad batch on fuel) and I have a GT4508r...
But on straight pump on only 16psi, I make up near 600hp atw..
It is quite responsive too for a large turbo on the street as we used a smallish rear housing.
Any questions, feel free to ask
Paulie
I have a 20b that makes 703.7hp atw @20psi on 98 RON Pump fuel with meth enrichment (fine really small amount - safer for the engine on higher boost incase I get a bad batch on fuel) and I have a GT4508r...
But on straight pump on only 16psi, I make up near 600hp atw..
It is quite responsive too for a large turbo on the street as we used a smallish rear housing.
Any questions, feel free to ask
Paulie
Last edited by Paulie_Aust_20b; Mar 1, 2012 at 10:25 PM.
