What Turbo for Low lag and approx 350hp MAX?
13-08-2012, 09:08 PM
#1
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What Turbo for Low lag and approx 350hp MAX?
been looking at Turbos for the cosworth engine and just wondered what opinions people had for the most responsive, LOW lag turbo for the engine?
max power isnt really my goal, anything from 300-350(max) would be good. more responsiveness tbh.
I wouldnt mind something like a modern version of the T3, that makes over 300hp? maybe a GT28?
Also, where to buy a complete turbo from?
cheers
max power isnt really my goal, anything from 300-350(max) would be good. more responsiveness tbh.
I wouldnt mind something like a modern version of the T3, that makes over 300hp? maybe a GT28?
Also, where to buy a complete turbo from?
cheers
13-08-2012, 10:16 PM
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T25 from Rouse will do 300bhp and minimal lag
T28 from datsun 200SX or similar will do more for equal lag
but it all depends what your defenition of "lag" is
i personally would fit a GT30 and NOS, job done.
T28 from datsun 200SX or similar will do more for equal lag
but it all depends what your defenition of "lag" is
i personally would fit a GT30 and NOS, job done.
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14-08-2012, 10:28 AM
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ok thanks guys. What i mean by lag is, as its for a drift car that will have the throttle feathered, i dont want that 'waiting' feeling between each flick of the throttle. In an ideal world a 300hp N/A would be mint, but they are a million pounds.
and i'd like something that spools up nicely from 3k upwards.
Im only going to be running a small 2wd or 4x4 cooler too, and 4x4 manifold for clearance, so no massive boost levels will be needed really.
How much are the new GTX28's? I like the sound of the smaller ex. housing version.
and i'd like something that spools up nicely from 3k upwards.
Im only going to be running a small 2wd or 4x4 cooler too, and 4x4 manifold for clearance, so no massive boost levels will be needed really.
How much are the new GTX28's? I like the sound of the smaller ex. housing version.
14-08-2012, 11:31 AM
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Getting a GT28 onto a 4x4 manifold isn't a direct swap, you'll need a custom oil return pipe fabricating to run between the manifold and the head.
Also, don't get too drawn into the "i've got to have the smallest exhaust housing possible" scenario. For a drift car you'll want it to flow well at higher engine speeds and the smaller housings restrict that. In all honesty, the difference between say a 0.63 and 0.82 housing on the GT series is at worst a couple of hundred rpm but the top end is so much better.
I wouldn't dismiss a 4WD T3 with a 360 thrust bearing, admittedly it won't do 350bhp but it'll give you the response you want!
Also, don't get too drawn into the "i've got to have the smallest exhaust housing possible" scenario. For a drift car you'll want it to flow well at higher engine speeds and the smaller housings restrict that. In all honesty, the difference between say a 0.63 and 0.82 housing on the GT series is at worst a couple of hundred rpm but the top end is so much better.
I wouldn't dismiss a 4WD T3 with a 360 thrust bearing, admittedly it won't do 350bhp but it'll give you the response you want!
14-08-2012, 12:29 PM
#19
ok thanks guys. What i mean by lag is, as its for a drift car that will have the throttle feathered, i dont want that 'waiting' feeling between each flick of the throttle. In an ideal world a 300hp N/A would be mint, but they are a million pounds.
and i'd like something that spools up nicely from 3k upwards.
Im only going to be running a small 2wd or 4x4 cooler too, and 4x4 manifold for clearance, so no massive boost levels will be needed really.
How much are the new GTX28's? I like the sound of the smaller ex. housing version.
and i'd like something that spools up nicely from 3k upwards.
Im only going to be running a small 2wd or 4x4 cooler too, and 4x4 manifold for clearance, so no massive boost levels will be needed really.
How much are the new GTX28's? I like the sound of the smaller ex. housing version.
14-08-2012, 01:49 PM
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14-08-2012, 03:55 PM
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A restrictive (but very responsive) turbine housing might not be the best idea?!
To keep the coolant temps lower, when drifting the car isnt at the best angle to get air flow to the rad and your always bouncing off the limiter.
14-08-2012, 04:29 PM
#31
I hated the lag on my T34 .63 and wish I'd gone T3 or equivalent, I could then run a higher gear and lower revs and actually be able to pull out of turns. As it is I tend to stay between 5000- and limiter 7200rpm where it gives best power. Good thread. I do t really need 380 BHP but if I could reduce that lag and keeps the revs that would be great. A linear n/a would be so useable but agreed- costly 
14-08-2012, 05:17 PM
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I hated the lag on my T34 .63 and wish I'd gone T3 or equivalent, I could then run a higher gear and lower revs and actually be able to pull out of turns. As it is I tend to stay between 5000- and limiter 7200rpm where it gives best power. Good thread. I do t really need 380 BHP but if I could reduce that lag and keeps the revs that would be great. A linear n/a would be so useable but agreed- costly
14-08-2012, 09:11 PM
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