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Thread: raised the boost to 12.5 lbs and now im missfiring?

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Posts: 21-24 of 24
2008-07-17 19:17:06
#21
yeah these t28's are no joke man, im going with the S15 dual bb T28 also so even more room there, i think there are a couple 240 guys with them making well up past the 350whp mark or so. I plan to run my daily at 12psi and i will put some 100 octane in there and run 18psi. Not only will i be looking at probably a 60+whp gain at 6k rpms but an even bigger gain after that till redline since the power doesnt fall off like the T25 At 7K im probably looking at closer to a 100whp gain with this turbo at 18psi. Im hoping to run around an 11.2 or so well over 120mph. So we will see how it goes here in the next couple weeks.
2008-07-17 20:33:20
#22
Originally Posted by ashtonsser
yeah these t28's are no joke man, im going with the S15 dual bb T28 also so even more room there, i think there are a couple 240 guys with them making well up past the 350whp mark or so. I plan to run my daily at 12psi and i will put some 100 octane in there and run 18psi. Not only will i be looking at probably a 60+whp gain at 6k rpms but an even bigger gain after that till redline since the power doesnt fall off like the T25 At 7K im probably looking at closer to a 100whp gain with this turbo at 18psi. Im hoping to run around an 11.2 or so well over 120mph. So we will see how it goes here in the next couple weeks.



That is awesome, I had no idea the t28 was this bad ass honestly. Do you have to run 100 octane at 18psi or is 93 fine? This is kinda my daily driver because it gets pretty good gas mileage when im not flooring it.
2008-07-17 21:17:36
#23
since your running a de motor i would just to be safe, because at 18psi the turbo is pretty much maxed which also means its starting to produce heat along with it, kind of like my t25 does at a 19psi spike. but the t28 wont be as bad, at 18psi i would to be on the safe side of things. withough i would say around 14-15psi would be fine. Im doing it because i dont want to detonate at all. so yeah i would personally, but hey it might be fine. but then again maybe not.
2008-08-27 04:42:09
#24
the t28 is capable to around 350bhp, anything above that then u should look at the gt2871 or the daddy for the sr20det...gt3071, capable of around 450-500bhp with the correct setup. Quite common here in the UK for the pulsar gti-r
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