t4 or t6 flange
#4
I would be looking at using a T6 frame with anything that was single turbo and over 4.5L
T4 is excellent for 2.6L-4.5L
T3 is great from 1.5-2.6L
And a T25 covers everything below 1.5L
People usually can go outside of those displacements based on how high they are revving if they need more flow, or maybe they aren't revving and moving much air at all so they can go smaller.
Those are just generalities.
T4 is excellent for 2.6L-4.5L
T3 is great from 1.5-2.6L
And a T25 covers everything below 1.5L
People usually can go outside of those displacements based on how high they are revving if they need more flow, or maybe they aren't revving and moving much air at all so they can go smaller.
Those are just generalities.
#5
Moderator
iTrader: (20)
I would be looking at using a T6 frame with anything that was single turbo and over 4.5L
T4 is excellent for 2.6L-4.5L
T3 is great from 1.5-2.6L
And a T25 covers everything below 1.5L
People usually can go outside of those displacements based on how high they are revving if they need more flow, or maybe they aren't revving and moving much air at all so they can go smaller.
Those are just generalities.
T4 is excellent for 2.6L-4.5L
T3 is great from 1.5-2.6L
And a T25 covers everything below 1.5L
People usually can go outside of those displacements based on how high they are revving if they need more flow, or maybe they aren't revving and moving much air at all so they can go smaller.
Those are just generalities.
#6
TECH Fanatic
Depends on which turbos you are looking at and the power you want to make. T4 is a up- charge on most Borg units, so if you can package the T6 it will save you a little.
#7
Launching!
Join Date: Jan 2012
Location: Owensboro, KY
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Im on the fence right now. I have a 416 that I am adding a single turbo (BW billet 485) and I keep hearing to go T6, but I dont foresee me going over 900 rwhp. But we also know how things go after a while... LOL.
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#8
TECH Enthusiast
Originally Posted by 6D9 Matt
Im on the fence right now. I have a 416 that I am adding a single turbo (BW billet 485) and I keep hearing to go T6, but I dont foresee me going over 900 rwhp. But we also know how things go after a while... LOL.
Especially with your cubes
#10
12 Second Club
iTrader: (27)
Go T6 bro. Been there, done that. Only reason I swapped to T4 was because I got a great deal on the billet 75/83 BW. The boxed 7596 S475 spooled surprisingly quick for a low compression 4.8, you'll be happy with a T6 and billet S480 or 484 on a large turbine on 416 cubes.
#12
Teching In
Join Date: Oct 2012
Location: Albuquerque nm
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Not to bring this up from the dead, but how about t4 vs t6 at high elevation? Living in Albuquerque at 5300' average track da is 7000'-7500'. Building a 370 this winter and trying to get turbo size narrowed down on the at and flange side. Will be running a s480.