2002 twin turbo t4 5.3
05-13-2014, 10:44 PM
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2002 twin turbo t4 5.3 I have a 5.3 im going to twin turbo with truck manifolds in my 99 ranger im running twin s475 turbos hotside is a t4 divided .90 ar im going to be running 93 octane and a th400 with 2:73's . Was curious if anyone has run similar engine turbo setup and what type of power you were making and how was spool time?
05-14-2014, 07:18 AM
#4
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I have a 5.3 im going to twin turbo with truck manifolds in my 99 ranger im running twin s475 turbos hotside is a t4 divided .90 ar im going to be running 93 octane and a th400 with 2:73's . Was curious if anyone has run similar engine turbo setup and what type of power you were making and how was spool time?
Lag? Don't expect to see boost until 4 grand. Full boost won't hit until somewhere well north of there.
05-14-2014, 07:28 AM
#5
I'd agree 2 S475's are a poor choice on a 5.3... Heavy and take up a tone of space as well. Get yourself some 60-62 range small T4s. You'll be much happier.
Unless you plan to fill the block and run 40+lbs on a built motor.
Unless you plan to fill the block and run 40+lbs on a built motor.
Last edited by Forcefed86; 05-14-2014 at 09:42 AM.
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05-14-2014, 04:33 PM
#14
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Believe it or not, there is a lot of math, formulas, and design behind making a good turbo system work. Sure, you can bolt any turbo onto any engine and get some sort of result, but that's a poor way to do things.
It sounds like you need to do more research and understand what a turbo is/does, beyond "exhast spins this side, and the other side pushes air into the engine".
It sounds like you need to do more research and understand what a turbo is/does, beyond "exhast spins this side, and the other side pushes air into the engine".
05-14-2014, 06:02 PM
#15
Most people here run a single S475 and report fantastic results with decent spool.
Those who run twin S366's on a 5.3 often report significant lag and ultimately make less power under the curve than the single setups. Those who run the even smaller (still not small) turbos being recommended usually succeed.
I'm putting twin T3/T4 (T04b covers) turbos on, the little 58 mm turbos, and will grab some S256's down the road, but for 700 whp max I can reach my goals with about any of those (obviously a trade-off, my car is a daily so I want instant spool).
I am curious (and not to threadjack, I think its relevant) - is there a reason everyone assumes twin T4 housings are needed, or that a single T6 is? T3 housings can make over 800 whp EACH before they start to choke, I'd imagine a twin scroll T4 is a bit north of that and an open scroll significantly north.
Those who run twin S366's on a 5.3 often report significant lag and ultimately make less power under the curve than the single setups. Those who run the even smaller (still not small) turbos being recommended usually succeed.
I'm putting twin T3/T4 (T04b covers) turbos on, the little 58 mm turbos, and will grab some S256's down the road, but for 700 whp max I can reach my goals with about any of those (obviously a trade-off, my car is a daily so I want instant spool).
I am curious (and not to threadjack, I think its relevant) - is there a reason everyone assumes twin T4 housings are needed, or that a single T6 is? T3 housings can make over 800 whp EACH before they start to choke, I'd imagine a twin scroll T4 is a bit north of that and an open scroll significantly north.
05-14-2014, 06:02 PM
#16
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It doesn't change the fact that you're putting 2000 HP worth of turbos on a 5.3/6.0. Not only that, but the Borg Warners are much much bigger in physical size than other similar wheel turbos. You might as well load that engine with a 4 stage 1700 shot of nitrous.
05-14-2014, 08:39 PM
#17
Most people here run a single S475 and report fantastic results with decent spool.
Those who run twin S366's on a 5.3 often report significant lag and ultimately make less power under the curve than the single setups. Those who run the even smaller (still not small) turbos being recommended usually succeed.
I'm putting twin T3/T4 (T04b covers) turbos on, the little 58 mm turbos, and will grab some S256's down the road, but for 700 whp max I can reach my goals with about any of those (obviously a trade-off, my car is a daily so I want instant spool).
I am curious (and not to threadjack, I think its relevant) - is there a reason everyone assumes twin T4 housings are needed, or that a single T6 is? T3 housings can make over 800 whp EACH before they start to choke, I'd imagine a twin scroll T4 is a bit north of that and an open scroll significantly north.
Those who run twin S366's on a 5.3 often report significant lag and ultimately make less power under the curve than the single setups. Those who run the even smaller (still not small) turbos being recommended usually succeed.
I'm putting twin T3/T4 (T04b covers) turbos on, the little 58 mm turbos, and will grab some S256's down the road, but for 700 whp max I can reach my goals with about any of those (obviously a trade-off, my car is a daily so I want instant spool).
I am curious (and not to threadjack, I think its relevant) - is there a reason everyone assumes twin T4 housings are needed, or that a single T6 is? T3 housings can make over 800 whp EACH before they start to choke, I'd imagine a twin scroll T4 is a bit north of that and an open scroll significantly north.
05-15-2014, 08:40 AM
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05-15-2014, 09:31 AM
#20
23psi (falling to20 and holding) 10deg of timing, e85
air to air intercooled
stock cam
stock 5.3l just springs and studs,
kmj studs, and pac1218 springs.
re-used the stock head gaskets.
http://www.youtube.com/watch?v=SunIR...ature=youtu.be
650rwhp 700ftlbs
th400 tranny
air to air intercooled
stock cam
stock 5.3l just springs and studs,
kmj studs, and pac1218 springs.
re-used the stock head gaskets.
http://www.youtube.com/watch?v=SunIR...ature=youtu.be
650rwhp 700ftlbs
th400 tranny
