GT17 too small? - Toyota Yaris Forums

Brad D · 06-07-2009, 03:42 PM

keep in mind the samller the turbo the more low end power.. the more low end power the more TQ.. more TQ = more cylinder pressure. We have had a few stock B18 hondas at 370wtq and any thing more than that and the cylinder splits. So you can still have the same HP with a bigger turbo but with less TQ..

I would go with a GT25.. or a GT28 if you ever want higher power goals.

Tamago · 06-07-2009, 03:44 PM

Quote:

Originally Posted by Brad D

keep in mind the samller the turbo the more low end power.. the more low end power the more TQ.. more TQ = more cylinder pressure. We have had a few stock B18 hondas at 370wtq and any thing more than that and the cylinder splits. So you can still have the same HP with a bigger turbo but with less TQ..

I would go with a GT25.. or a GT28 if you ever want higher power goals.

also keep in mind, smaller turbo = hotter charge air :)

my VF39 came into full boost before 3800rpm and made around 5lbs at 3000

perfect IMO

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06-07-2009, 03:42 PM	#1
Brad D Drives: 07 Yaris RS 3dr Join Date: May 2009 Location: Winnipeg Posts: 34	keep in mind the samller the turbo the more low end power.. the more low end power the more TQ.. more TQ = more cylinder pressure. We have had a few stock B18 hondas at 370wtq and any thing more than that and the cylinder splits. So you can still have the same HP with a bigger turbo but with less TQ.. I would go with a GT25.. or a GT28 if you ever want higher power goals.