06-16-2011, 09:51 AM | #1 |
Whipple fuel injector specs
Does anyone have a specsheet for the fuel injectors that come with a Whipple Supercharger kit (Siemens Deka 107962 iirc)? I bought the tuner S/C kit thinking the injectors would have some paperwork with them but there was nothing
Specifically, I was wondering about the Minimum Injector Pulswidth. The only thing I could find online is http://siemensdeka.com/specsheets/FI114962cs.jpg and it lists a 1.391ms minimum pulsewidth. That is almost twice what the stock injectors are... Thanks for the help!
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709 RWHP, 628 RWTQ
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06-16-2011, 07:25 PM | #2 |
Drives: Camaro Join Date: Jun 2009
Location: Inglewood
Posts: 532
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That all sounds right.
We use that injector quite frequently and its one of our favorites. Haven't had any issues tuning the low side (idle). Thanks Mike Haddad |
06-17-2011, 12:04 AM | #3 |
No kidding? With that pulsewidth the car would idle with an AFR between 10.5-11.5:1, and the injectors kept the same pulsewidth from idle to about 900 rpm. It looked like the injectors simply could not spray a small enough quantity of fuel at idle. I turned it down a little bit and the AFR at idle raised quite well.
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709 RWHP, 628 RWTQ
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