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Old 09-26-2008   #1
tomcat
 
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Default Performances issues with replacement fuel pumps.

All, My question is, has any one had performance issues when they replaced their fuels pumps used in the Chevrolet Suburban? A friend of mine had his fuel pumps changed at a Chevrolet Dealer in Portland Oregon & his ZR1 has performance issues.

Manfred E..........
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Old 09-26-2008   #2
Jeffvette
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Default Re: Performances issues with replacement fuel pumps.

If they didn't change the sock? Also, it may be injectors
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Old 09-26-2008   #3
GOLDCYLON
 
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Default Re: Performances issues with replacement fuel pumps.

And the fuel filter for that matter...
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91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

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Old 09-28-2008   #4
Hammer
 
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Talking Re: Performances issues with replacement fuel pumps.

Quote:
Originally Posted by GOLDCYLON View Post
And the fuel filter for that matter...
Hey man, when did you become a moderator? I bet Z Factor appreciates the help.
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[I][FONT=Comic Sans MS][SIZE=1]1991 ZR-1 #458 [COLOR=red]RED/[/COLOR][COLOR=black]BLACK 72[/COLOR]k miles ([B][COLOR=red]SOLD[/COLOR][/B])
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Old 09-29-2008   #5
karterdon
 
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Default Re: Performances issues with replacement fuel pumps.

Big block fuel pumps have an operating pressure of 65#-95#. ZR1 pumps have an operating pressure of 45#-65# - Might cause a problem.

Don Yoakem
91-#267 Dark Red Met.
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