I just bought this little sweetheart...giving her all the tlc I can, but, I need to pick someones brain. When I come to a stop or coming to a stop, I hear my fuel pump whining, I thought maybe the filter was clogged. It was, runs alittle better but fuel pump still whines when coming to a stop and idles rough....any help would be appreciated. 305TPI

 

that whining is either the sound of your fuel pump pushing air, or the pump is going out. chances are, if the tank is full and you still hear the noise, you'll need a new fuel pump pretty soon. test the pressure to make sure it's up to snuff.

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86 305 TPI
700R4
3:42 axle
4 wheel disc
-Summit cam .442" lift
-Summit chain/roller
-Summit tranny cooler
-WORLD S/R Torquer 305 heads
-High Volume oil pump
-Hypertech Airfoil
-SLP 1 5/8" headers
-Flowmaster 80 series c/b
-Taylor Spiro-Pro 8mm
-Bosch plat. plugs
-K&N Air filters
-Trans-Go shift kit
-Removed AIR
-160 Thermostat
-T/B coolant Bypass

soon... 125 shot

 

Thanks for your input...I thought that was probobly it. Off to the parts store I go....

 

Are you positve it is the fuel pump? Could it be the rearend whining as you come to a stop?

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I WOULD RATHER PUSH A CAMARO THAN DRIVE AN IMPORT

1983Z28 350w/ edelbrock performer RPM power package , dynomax shorty headers, 700R-4 with shift kit, 750cfm carb, edelbrock 3" exhaust system, 16" IROC rims and ASCD SS hood.

future mods:
completely done over suspension, black paint with flames,
T-56 almost ready to go in, TPI swap coming up

Wifes new car:

95Z28, AT, leather, T-tops bone stock for now.

future mods:
header to tailpipe replacement and a cold air intake. Then I am just going to leave it alone

 

Rotn,

When you go to the parts store, make sure you get a fuel pressure gauge. You really don't want to replace the fuel pump if you don't have to - unless you are into self-inflicted pain.

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Later,
Vader
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"Click - Click - BOOM!"
Adobe Acrobat Reader

 

Gotta agree there!! I thought I could replace the fuel pump in my '86 IROC- WAS I WRONG! There are no access doors behind the back seats. That means you have the let the rear end loose and hang or remove it, remove the exhaust, then remove the tank (remember ~8 lbs per gallon, so make sure it's empty!). After that, then your can replace the fuel pump.

Unless you have a lift system, save yourself the pain- pay a garage to do it. I did. Cost me $591.75, but I also had them put Autolite spark plugs in for me too (plug replacement is a bitch too- just making it easy on myself)....

 

i guess i lucked out... i had a mechanic do it for 200... included gm parts and labor.

 

yellowiroc.... that is something that iw ould just rather spend the $200 on to have someone else do it for me also....

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1989 Chevrolet Camaro IROC-Z
L98 - 350c.i. TPI, rebuilt 700R4 auto w/shift kit, Dual catalyst Monza PaceSetter Cat-Back, SLP 1 5/8 Coated Headers, 3.23 Posi rear, Hypertech chip with 160stat, MSD 6A, Under-Drive pulleys, AFPR, K&N's, !Air Box w/ Ram Air, moddified MAF, !TB Coolant, Spohn Dual Cat SubFrame Connectors, Alarm, Keyless entry, remote starter, 92 Z28 AeroWing, Brand New Paint (6/21/01)

Future: ZZ4 TPI w/EGR, T56, 3.42 or 3.73, Spohn strut tower brace and LCA's

1989 Chevrolet Celebrity Eurosport
2.8 MPFI, no mods
225,000 miles and still ticking!

More info and pics on my webpage:http://go.to/iroc-z

AOL IMer: GPA 0point0

 

Thanks for the input guys...yes it turned out to be a bad fuel pump.....and yeah...what a bitch to get the tank out, had to drop the rear end. I checked on the price after realizing I had to change out the pump....400.00. F that. I would rather do it myself, save the money and most important, knowing it was done right...clean up, painting the heat shields...ect.