what turbo to get?

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bigg86

New Member
I want to be able to get 400-450 WHP on my hatch but I dont know what turbo to get yet.....

I have a b18b1 engine
darton sleeves
bored to 85mm
eagle rods
wiseco piston 9.8:1
micro polished n balanced crank
full race port n polished head
+1mm oversized intake/exhaust high flow valves
3 angle valve job
crower dual springs n retainers
crower stage 2 turbo cams
str camgears

walbro 255lph
1000cc rc injectors
aem fuel rail
aeromotive fpr n high flow fuel filter

msd6 with external coil
cold spark plugs
sk2 intake manifold
sk2 70mm throttle body
3bar map sensor
3in downpipe n 3in full exhaust

s300 hondata with boost controller upgrade
o2 AEM wideband
TIAL 44MM wastegage
31x12x3 intercooler
b18c transmission with new LSD
6puck custom clutch
ACT xtreme pressure plate
fidanza 8lbs flywheel
inline4 crank pulley

I might be missing some stuff but these is what i can remember so far....

I was looking at a t4 60trim, 70ar compressor side, .69ar turbine side P trim wheel
and I was also looking at a T04 60trim, .60ar compressor side, .84ar turbine side P trim wheel....

what do u guys think? I know my engine can handle 500hp+ but i just need the right turbo...
 
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if its a straight t4 60 trim, i would imagine that would get your there. a gtr35r would be my choice personally. my turbo i have will get me to 400whp, but i might upgrade to a ram manifold and gt35r when i build my extra block i have. but a 60 trim will work also.
 
^^^ GTR 28-35 any Gt turbo will be more responsive than a T4 60trim. I never liked the compressor maps on T04 60trim but i also boost a D.

Loose the crank pully and put the oem pully back on it puts the crank way off balance at high rpm...
 
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Yeah Garrett GT series is top notch man, spools like its half its size.
 
^^^ GTR 28-35 any Gt turbo will be more responsive than a T4 60trim. I never liked the compressor maps on T04 60trim but i also boost a D.

Loose the crank pully and put the oem pully back on it puts the crank way off balance at high rpm...


i dont think a gt28r would be able to flow enough cfm to produce 400whp, maybe somewhere in the low 300whp.... i was leaning more towards a gt35 or a gt42

I had my new pulley, my 8lbs flywheel and crank all balanced out with the pistons n rods...
 
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