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T25/T28 too small for a 250whp goal on a B16a2?

Old 04-26-2009, 08:31 AM
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JDP
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Default T25/T28 too small for a 250whp goal on a B16a2?

Im after doinfg a lot of track days (popular here in the uk) and im aiming for 250whp. More about drive-ability than outright power, so would a t25 or t28 sized turbo be adequate enough? Any other better suggestions?
Its off on a b16a2 with forged pistons and s300 hondata. Should standard injectors etc be sufficient for the power im after?

Any help would be greatly apprecited as honda turbos are new to me!


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Nik
Old 04-26-2009, 10:04 AM
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Default Re: T25/T28 too small for a 250whp goal on a B16a2?

For 250whp, you'll want a little more fuel, 330cc injectors or more. 450 should be sufficient. Those turbos will be quick on spool, a good tune will be your best friend.
Old 04-26-2009, 06:38 PM
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Default Re: T25/T28 too small for a 250whp goal on a B16a2?

The T25 will NOT be able to maintain that power with that engine application. the GT28RS would be more appropriate
Old 04-27-2009, 05:13 AM
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Default Re: T25/T28 too small for a 250whp goal on a B16a2?

sweet so im looking at a gt28rs for an ideal setup What a/r ratios we talking here on comp and turbine housings?
Old 04-27-2009, 08:49 AM
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Default Re: T25/T28 too small for a 250whp goal on a B16a2?

If staying with the T2 flanging system, it is best to use the .86A/R setup. If T3 flanging is used with the manifold w/ an external wastegate, use the .63A/R.
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