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Thread: Fuel pressure
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08-18-2016, 11:22 AM #1
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Fuel pressure
My car just stopped running at ounce.It would not start back.For the last couple weeks.Ive had to let my car crank some before it would start.It has always started a soon as I hit the key.So I checked the fuel pressure.When I tunr on the ket its at 40psi.When I crank the engine it goes down to 30 psi.Is that too low.I had just changed the thermostat.But it started and run about 2 minutes befoe It shut down.
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94 Z28,4A,LLOYD SG CAM,1.6RR,SHIFT KIT,2,800 STALL,HEADERS,HEADS PORTED & POLISHED,ALL INTERNAL ENGINE PARTS LUNATI !!!
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08-18-2016, 11:26 AM #2
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With the KOEO 43lb, should not drop below 40lb with KOER.
Do a pressure leak down test.
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08-18-2016, 12:02 PM #3
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yes, FP is to low . Time to look into a new fuel pump
Originally Posted by beaver50
96 BBB 383/T56
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08-18-2016, 03:00 PM #4
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Thanks for the help.What the best pump for my set up then?I have a very small build.The cam was special grind fram LLoyd.Its smaller then the 503.With all the upgrades.
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94 Z28,4A,LLOYD SG CAM,1.6RR,SHIFT KIT,2,800 STALL,HEADERS,HEADS PORTED & POLISHED,ALL INTERNAL ENGINE PARTS LUNATI !!!
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08-18-2016, 10:15 PM #5
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255lph walbro. There's a place to get them for 110 bux online. Legit Walbro's. Originally Posted by beaver50
Sent from my SAMSUNG-SM-G935A using Tapatalk2021 Charger Scat 392
1994 Firebird Formula 381 stroker - Carrying the torch! - 9.90 @ 134.3mph on a 200 shot
1994 Camaro Vert - SBE LE1 Summit 8802 Cam - The CruiserThe wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ D1SC / CPT Ultra Pro Race 4L60E/Holley Terminator EFI
10.78 @ 125mph. Shooting for 9.99 for Frank Cahall!
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08-18-2016, 11:09 PM #6
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That's good price Originally Posted by SSlowBoat
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