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Old 08-03-2004, 05:02 PM
Senior Member
Join Date: Oct 2002
Vehicle: 1998 Ford F150
Posts: 340
Stock Fuel Injector size

What is the stock size (i.e. lb injector) for a 1998 F150 with a 5.4L. I've heard different sizes so far, 19lb, 28lb and 32lb. Where can I find this information?
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Old 08-03-2004, 05:43 PM
Senior Member
Join Date: Jan 1999
Vehicle: "99" FORD F-150
Posts: 7,013
HI!... Your stock injectors are orange. They are 19lb'ers. The stock injectors can support up to 304H.P at the flywheel.
"1999" F-150 XLT SPORT, BUILT 5.4, all N/A.
354RWH.P/392RWTQ (no tune, yet) on 8 cylinders/ 1/8= 8.4, 13.60E.T (on 7 cylinders, broken ring in #5), 1.8 60FT.

"2007" FORD RANGER SPORT, EC, SB, 4X2, 4.0L. 1/8= 8.8, 13.83E.T
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Old 08-03-2004, 05:56 PM
Senior Member
Join Date: Oct 2002
Vehicle: 1998 Ford F150
Posts: 340
Ok Troyer ORIGINALLY sold me a set of SVO 19lb injectors. Said they would work. I called a dealership he said they were bigger. I call Troyer Perf back and she says they are too small and the injectors are a little bit bigger and would have to have a 24b injector. Damn this spark plug change has turned into a cluster F#@K.
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Old 08-03-2004, 05:56 PM


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