Help - Did I buy the right turbo? (New member)
Hi guys,
I had an impulse buy and splashed out on a new turbo, it was on clearance at the local store and picked it up for a great price, from my limited (and to be honest slightly rushed) research it seemed to be suitable but wanted to check with you guys on what you thought. I realize likely all the information I need is somewhere here on the forumn but thought it would be easier to get some up-front feedback from you guys. Here is my current setup: 13b Full Bridgeport big injectors Microtech LT-10s Flowed s4 Turbo (9 psi) Turbosmart Ultragate 38mm External gate Big intercooler Power: 280HP@wheels freshly dyno tuned I just splashed out on a turbo at the local dealer (was at a clearance $$rate) and did do some research prior however I would like to check if I got the right one for me and if it will work fine for my application. I am able to return it if its not "perfect" but moreover I want to make sure its suitable for a rotary engine and can do the job. What I am wanting: good spool up 3-4k rpm, good/more power, street friendly Here is what I purchased: Borg Warner s300sx - Model: #177281 Compressor Wheel inducer 66mm Compressor outlet 3.00 Compressor inlet 4.00 Turbine Exducer 73mmTurbine outlet 4.00 V-band Housing T4 open flow .88 A/R AND...Turbosmart Pro-gate lite 50mm v-band Wastegate (with 14 psi spring)I will be having it dyno tuned again immediately after of course. Look forward to hear your feed back, did I waste my time? should I take it back? should it do the job? Thanks |
Is it the s366? If so, it's too big for the spool up you want. Look into s200 series.
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.88 ar is fine for a 3-4K rpm spool range. However you'll be looking to be on full boost in the 4K rpm range, if it's a twin scroll hotside with matching manifold it'll aid in getting there a bit faster.
being bridgeported I wouldn't think going smaller would be of benefit.....just be a mismatch of parts. |
Borg's .88 t4 housing is undivided. Most of my limited turbo knowledge is based on the diesel performance world, but am I wrong to think that the .91 divided housing with a matching manifold would be a better option?
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Originally Posted by myusername
(Post 12137656)
Borg's .88 t4 housing is undivided. Most of my limited turbo knowledge is based on the diesel performance world, but am I wrong to think that the .91 divided housing with a matching manifold would be a better option?
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This is in the single turbo sections as well and mr. Howard Coleman, who I am a believer that knows about turbo, answered this question. You just have to pay attention what he posted there.
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