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What Turbo For 450Wkw+


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  • Waiting for the 1st N/A 12!
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  • Member For: 17y 12d
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  • Location: Sydney

Alot of talk but no facts! Anyone got dyno charts with RPM and Boost for aftermarket turbo setups? I have a GT3566r in a machined 0.5 cover and in 4th (T56) I don't see 16psi (full boost) until 3500+ rpm, and hence I have less than a 2000rpm full boost power band. No increase in peak power either. The stock turbo performed much better on the street IMO at my boost level. The 66mm cast wheel just doesn't do it for me....im regretting not going for a smaller billet compressor that has decent transient response and less lag.

Here's my 440 run can't find my 450+ one!

This is with GTX2582r spec we ended up making more powert with less boost later on.

Oh and on E85 as well.

pW6eC.jpg

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  • Waiting for the 1st N/A 12!
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  • Member For: 17y 12d
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so the gt4094 comes on quicker then your GTX Matt? did you run it up with a set of ching wah's? lol

we did the ching wah tune after this and believe me it comes on quicker than this tune! On 3k its signing pretty good!

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  • Waiting for the 1st N/A 12!
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Nice one veva, so what's it see at 3000rpm, bit hard to read!

Will have to find the other sheet, but I'd reckon something like 250 - 275!

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  • Member For: 19y 7m 15d
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So veva's is around 14psi and Ben's looks to be over 15psi. I got 6psi at 3000rpm according to the dyno and 8psi according to the SCT software / t-MAP sensor. PATHETIC!!!! GT3566r in a 0.5 cover........no thanks!

post-6920-0-27761700-1327936242_thumb.jp

post-6920-0-10010500-1327936425_thumb.jp

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  • Member For: 15y 5m 6d

This tune is from a year ago, however shows a good comparison between the GTX4294r and my old turbo GT3566r..

The GTX, even though substantially larger spools faster and is a lot more responsive than the GT3566r..

post-37304-0-59093700-1327954952_thumb.j

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