help on making more power.

[J3t]

Hi ive got an sr20det s14 blacktop. the turbo im running i got for a deal so i went ahead and took it. its .83 on the hotside and .50 on the cold side. i know thats big but i havnt had the car dynod yet so im not sure what kind of power im putting down. I would just like some help on how to spool a little quicker as i make full boost at 4-4.5k not exactly sure. Im running 550cc injectors with a front mount and other custom parts. Would it take building the motor and boring it out to achieve more pwoer and qicker boost response??

[DrifterProdigy85]

Wondering what all you have done already?

[cheapscheisst]

the most crucial items to reduce lag - greddy intake mani, stainless exhaust mani(megan works great, especially for the price), stainless turbo elbow and downpipe, test pipe, and exhaust. air flow is everything.

[DuckyD]

the most crucial items to reduce lag - greddy intake mani, stainless exhaust mani(megan works great, especially for the price), stainless turbo elbow and downpipe, test pipe, and exhaust. air flow is everything.

I've been told that the Greddy Intake Manifold would actually make it a tad more laggy. The manifold moves the powerband slightly higher. So you would make more peak power but less low-end torque. One of Enjuku's cars made 450rwhp on the stock intake manifold.

[cheapscheisst]

yeah i think you're right, but with a turbo that big, the mani has a pretty minimal effect on lag, and as you said, the top end gains are quite substantial

[J3t]

i have already got tons of top end power. Once i get my exhaust run 3 inches back and skip the cat ill see what happens but im already running a custom top mount exhaust manifold. and custom Down pipe. Ill see hwo it works once i get mroe exhaust wrk done and think about getting a different intake manifold. thanks guys and anything you guys and tell me is much appreciated.

[cheapscheisst]

you have a top mount w/o a full 3" exhaust (or bigger)!?! jesus no wonder you have major lag. once you put on an exhaust and test pipe, you should see a VERY significant decrease in lag. do you have any sharp bends in the custom exhaust mani and downpipe? this will hinder airflow and increase lag.

[J3t]

i have already got tons of top end power. Once i get my exhaust run 3 inches back and skip the cat ill see what happens but im already running a custom top mount exhaust manifold. and custom Down pipe. Ill see hwo it works once i get mroe exhaust wrk done and think about getting a different intake manifold. thanks guys and anything you guys and tell me is much appreciated.

[acidbbg]

Hi ive got an sr20det s14 blacktop. the turbo im running i got for a deal so i went ahead and took it. its .83 on the hotside and .50 on the cold side. i know thats big but i havnt had the car dynod yet so im not sure what kind of power im putting down. I would just like some help on how to spool a little quicker as i make full boost at 4-4.5k not exactly sure. Im running 550cc injectors with a front mount and other custom parts. Would it take building the motor and boring it out to achieve more pwoer and qicker boost response??

Exhaust cutout..i had on my old mazda protege 5..i had a t3 mounted...had lots of lag..but when i got the exhaust cutout..i never had lag...my friend dyno'd tested..at 18psi..noticed a 20hp increase...he was running racefuel at the time.

http://www.quicktimeperformance.com/QTEC/

i plan on getting one for the 240sx when the sr20det gets dropped in

[J3t]

yea im pushing 18 lbs ona stock motor right now.... fun stuffs. were putting the exhaust and sisterboard for tuning on next week so ill see what happens.

[BoostGetsULaid]

Add E-Ram the Electronic Supercharger. It reduces Turbo Lag and also change 10-15hp too