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BMW 3-Series (E90 E92) Forum
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Dual Walbro 450 Question
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| 06-30-2017, 04:21 AM | #1 |
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Private
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Dual Walbro 450 Question
For those running Stage 3 LPFP Kits...
How many of you guys are running a hobbs switch on the second pump, is it necessary? Anyone running both pumps full time? |
| 06-30-2017, 10:13 AM | #2 |
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I'm about to hook mine up and I believe you have to have wired to some type of pressure switch. I have the hobbs switch as well as wiring it to a 40 amp relay.
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| 07-03-2017, 10:03 AM | #3 |
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Colonel
 
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On other forums I have seen that running 2 walbros full time will generate too much heat, warming the fuel alot. Hobbs and a relay looks pretty straight forward.
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GC Turbos, FBO, JB4, DCT, Port Meth injection, BMS Charge Pipe, NGK plugs. EBC brakes and pads, LED Angel lights, LED foglights, LCI rears OCC, Braided brake lines. Custom Diff Lockdown Kit, VTT inlets, TMAP, stage 2+ fuel pump
11.79@119mph (stock turbos) 11.74@129mph (GC Turbos) |
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