my friend has a 97 GS-T with turbo back exhuast, upgraded intercoller piping ....what kind of injectors would you guys suggest for a pretty gain...plans are to swap to a walbro 255 fuel ....look for 300hp after front mount upgrade and fuel mapping dyno tune thanks for your help....



(like what brand and how much i am looking for ....maybe if any body has any for sale lemme know)

 

If he is still on the stock turbo then he really doesnt need to upgrade injectors yet.

 

no need yet, in the mods you listed...no need.
jeff

 

450cc's supply plenty of fuel for the T25.

Maybe a data logger and afc tuned and you will see some nice results.

btw, the T25 is good for approximately 250whp

Depending on what your goals are? I use rx7 550cc's high impedance that I purchased for $100 then sent to have them cleaned and flowed to rc engineering for $100.

 

will the 14b from the 1st gen get you to 300...(sorry dont know the dsm thanks for your help)

 

you say there is now need for injetors ...then what should be the next few mods he should add in the line of performance progression

 

PSIfactor is a liar dont beleive anything she says. haha jk. But she did make a good suggestion with the data logger and S-afc. Its a good idea to have your car tuned or ready to tune before you make any major upgrades, you dont want your car to blow up or something. If he doesnt want to do internals yet, i'de still change the head-gasket, and while you got the head off you could do a lot to that, 3-5 angle job, oversized valves, HD valve springs, ARP bolt kit. From there I would do intake if he hasn't. Then I would put in a good clutch i like the 6 puck from ACT personally.
These things aren't really for power, but they will increase the efficiency and longevity of the car before you add serious power. It sucks to just add power and then have something stupid go ya know? things can come down the road are forged pistons, stress-relieved rods, hone or bore the cylinders, open up the oil feed lines, better cams, adjustable cam gears, get your crank shaved and the whole moving essembly balanced. this is when you would worry about fuel delivery, better fuel pump, fuel rails, injector size, throttle body, SS oil feed line to the turbo, ummm i mean the list goes on. Theres a formula that you put in your estimated horsepower and a bunch of other junk and it will tell you the injector size you need, but i forgot it as you can tell.
But as you can tell...it can be a lot of work, not a good idea just to bolt a turbo on, IC, piping and turn up the boost...something bad happens and everyones seen it, its best to build the motor, then you will see a very good size increase in power.
jeff

 

what about going a slightly bigger turbo

 

i don't know what he wants to do...i drive a 240 with a sr20det my motor stock is good for like 500 at the crank so i don't have to worry about internals.....i just need to upgrade the turbo injectors and get a rom tune.....going to a t28 with a front mount should put me in the 300s with all the upgrades listed above...a little easier with the nissan...i guess.....but thanks for you helpfull insite spoolin

 

yea man i like the sr20det for that reason, very reliable too. as far as turbo engines anyway. If he wants a slightly bigger turbo go for it, The turbo I have had my eyes set on was an 18g with the td-06 hotwheel. or he could go 60-1. but its all in his preference ya know. How many miles your sr20 got?
jeff