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Forced Induction Sponsored by: TechniqueTuning.com
Discuss Forced Induction on BMWs with NickG from techniquetuning.com. (turbos and superchargers) |
05-14-2007, 12:07 AM
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#1
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Name: 92 325i
Title: United Newb
Status: Offline
Join Date: Mar 2007
User not setup in Rate My Car. Click here to set it up. Your Ride: 92 325i
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Injector size
Hello there. I have a 92 325i that i was going to turbo. I am building my own kit. I already have a t3/t4 hybrid turbo with a 8psi wastegate setting. From everything i can tell, this if tuned right could make about 300hp But my question is what size injectors should i use? 26lb? 30lb? 36lb?
As well does anyone know of a website that sell turbo manifolds for the M50 with an external wastegate pung?
Thanks |
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05-16-2007, 10:46 AM
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#2
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Name: 92 325i
Title: United Newb
Status: Offline
Join Date: Mar 2007
User not setup in Rate My Car. Click here to set it up. Your Ride: 92 325i
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In my opinion im thinking 30lb injectors are the right size but would appricate any input |
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05-16-2007, 02:32 PM
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#3
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Name: ///M Power
Title: Senior Member
Status: Offline
Join Date: Apr 2005
Location: St. Louis, MO | Redondo Beach, CA
Your Ride: 95 m3 turbo
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300 bhp?
30 lb/hr sounds appropriate.
This is a very loose uncalculated estimate.
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Eric BMW - Variable Vane Turbocharged
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05-18-2007, 06:05 PM
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#4
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Name: B_w.
Title: Upgraded Member
Status: Offline
Join Date: Apr 2005
Location: Edmonton
Your Ride: turbo e36
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42 lb green ford motor sport injectors would be a good bet. lots of room to up the power and they are cheap and readily available.
for the manifold contact techno555 on bimmerforums.com and for tuning contact e36'n on bimmerforums.
give us some specs on your turbo
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07-01-2007, 05:50 AM
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#5
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Name: card counter
Title: United Newb
Status: Offline
Join Date: Dec 2006
Location: Maryland
User not setup in Rate My Car. Click here to set it up. Your Ride: 97 328
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I have to agree 42lb would be best and room to grow if needed
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www.bmwturbo328.com
704whp stock internal 2.8 10.7@137
996whp fully built 2.8
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07-25-2007, 09:29 PM
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#6
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Name: TechniqueTuning
Title: UB Supporting Vendor
Status: Offline
Join Date: Feb 2007
User not setup in Rate My Car. Click here to set it up. Your Ride: 2001 BMW 330ci Turbo, 2002 X5 3.0
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Injector size depends on how much power you want to create. On a 2.5L with ~8psi of boost, I'd stick with 24lb/hr injectors. If you want more boost than that, then you'll have to go larger on the injectors. I don't like putting too big of an injector in, because then idle quality may begin to suffer.
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Nick Glantzis
Technique Tuning Inc.
BMW Turbo Systems and Forced Induction Tuning
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