I have heard numerous claims that a T-25 will only support 250 or so HP? Is this true and is this claim for Wheel HP or HP at the crank?
How much HP can a T-25 generate?
Orange Crush
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365 Posts
My personal opinion is that going from a T25 to a 14B is a much larger jump, than going from a 14B to a 16G. Athough I do think that 300 whp is about the limit for the 14B...
As far as I know the 300ZX TTs used the T28, I'm not sure of the skyline. As to using springs to hold the wastegate closed...I guess that's a delicate balancing act between holding it closed and overwhelming the actuator. Maybe I should calculate the force the diaphram should exert. Thanks for the info 4npower. 
not the 84-90 300zx, they use 1. but yes the others do use 2-t25s but they are also 6 cylinders. basically what i'm trying to say is that the t25 can't be all that bad if japan decided to use it on 2 of their supercars.Jehu said:Yeah, but don't both of those cars use TWO T25s?
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176 Posts
I'm not feeding BS here, he ran about 20psi that fell off to 15psi by redline and ran 12.9 @104mph. If you people are all skeptics here a few details that really set his car apart from other's:
Autronic stand alone!!
Race Gas
He own's an import race shop, so he's well versed in setting up cars to go fast (he now has a t3/t4)
- look how low his mph was too 104.0 <-- he ran 12's on the 60ft
Autronic stand alone!!
Race Gas
He own's an import race shop, so he's well versed in setting up cars to go fast (he now has a t3/t4)
- look how low his mph was too 104.0 <-- he ran 12's on the 60ft
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176 Posts
That's why I love my 93 Tsi AWD, it can really launch!! I just wish more people believed proper parts selection and tuning is really what is going to create the power, not just slapping on 10 aftermarket parts.
I want to see those pics of the T25 with the spring mod too 4npower! I didn't want to "bend" my actuator bracket as described in another thread to compress the spring a bit. Your idea sounds "safer" though I'm not sure the exact detail of it.
-'96 GSX
-'96 GSX
Well 96 GSX, you just have to figure out a way to mount a spring such that you are increase the force keeping the wastegate closed. Shouldn't be too complicated to figure out . I wouldn't bend the bracket. I'd rather lengthen the actuator rod, by cutting it and using a threaded fitting, then to bend the bracket.
. I wouldn't bend the bracket. I'd rather lengthen the actuator rod, by cutting it and using a threaded fitting, then to bend the bracket.
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779 Posts
I'm all for making my t25 go as far as possible but it just sucks because I'm to floor it in first. If lets say you run a t25 at 20+psi, do you need anything more than a fuel pump? I thought the t25 could handle that much pressure all the way through the rpms
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779 Posts
I screwed up may last post. I meant to say that It sucks because I'm afraid to floor it in first because of traction. And I thought t25s could not handle the pressure from 20+ psi. What can they stand without causing stress?
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15 Posts
hehe 20+ psi to the t25 ya... pass me the crack pipe.
If you ported out the t25, then it really wouldnt be a stock t25 would it? Again pass me the crack pipe
just my two cents, i couldnt get 15 psi to stay in my t25 with no pressure drop whatsoever.
l8r
-jeremy
If you ported out the t25, then it really wouldnt be a stock t25 would it? Again pass me the crack pipe
just my two cents, i couldnt get 15 psi to stay in my t25 with no pressure drop whatsoever.
l8r
-jeremy
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