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Forums -> C3 Fuel, Emission Control, and Exhaust Systems
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2/27/12 6:16pm - Original Message: 'Fuel Pump rebuild kit for a 1969 300?'
eldredjames Lifetime Member
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Temple City, CA - USA

Vette(s):
1969 Daytona Yellow. 350 / Automatic.

Joined: 10/3/2010
Posts: 361
Anyone know of a source?  Yes, I'm still finding ethanol induced crap (little black pieces of rubber) in the fuel filter, sigh!
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2/27/12 8:54pm - Reply: 'Re: Fuel Pump rebuild kit for a 1969 300?'
Ron 78 Lifetime Member
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BINGHAMTON, NY - USA

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Joined: 7/19/2003
Posts: 3805
and the more of that ethenol crap they put in the gas ,the more your gonna find,that crap aint no good for older carsUnhappyThumbs Down

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2/27/12 11:38pm - Reply: 'Re: Fuel Pump rebuild kit for a 1969 300?'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19449
Unless your pump has screws around the perimeter of it, it ain't rebuildable. It is, however, replaceable...
Why do you think the crap is coming from the pump?


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Joel Adams
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2/28/12 12:29am - Reply: 'Re: Fuel Pump rebuild kit for a 1969 300?'
eldredjames Lifetime Member
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Temple City, CA - USA

Vette(s):
1969 Daytona Yellow. 350 / Automatic.

Joined: 10/3/2010
Posts: 361
I think more than likely its coming from any rubber hoses between the pump and the tank (since I replaced the others.)  But I'd like to clean out the pump to be sure.  Won't the diaphragm disintegrate with ethanol as well?  And yes, the tank is on my list to clean since the fuel gauge is screwed up anyway.

Guess I'll have to buy a reproduction pump for $35 instead of a oem for $179.

Even though the engine was swapped, I try to keep original parts in case I ever want to restore her to new.  I think its a losing cause, I surrender.

I'm sure I'll getting her running again soon.


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2/28/12 8:24am - Reply: 'Re: Fuel Pump rebuild kit for a 1969 300?'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19449
If the diaphragm was coming apart enough that stuff was getting to the carb filter, you would have fuel leaking either into the engine, or from the "weep" hole in the side of the pump...or both. Can ethanol damage the pump diaphragm? Sure it can, eventually. I be more suspect of the fuel lines, myself, or junk from the tank...or from the fuel tanks/pumps where you buy fuel. Big smile

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Joel Adams
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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2/28/12 12:06pm - Reply: 'Re: Fuel Pump rebuild kit for a 1969 300?'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
I replaced the rubber lines on mine a while ago..I used the fuel injected type high pressure hose that was made to work with ethanol..I think I got it from NAPA..or the GM dealer in bulk..as they build E85 cars they need that..might be able to find some at a boat dealer too..had to be careful of the one from the pump to frame as it liked to get kinked but I got it to work..my tank is clean but I'm sure you can run the car out of gas and wipe down the inside of the tank with shop paper towels or have it cleaned at a radiator shop if you want to remove it..we all are fighting the ethanol battle..I never keep much gas in mine and use the Turbo blue to slow down the rubber eating quality of ethanol..and use stabil in the tank also..idk..there may be no way other than finding a station that doesn't have ethanol in their gas but they are getting hard to find..I know of only one here in town and it's a hit or miss whether they have it that way or not..

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2/28/12 1:44pm - Reply: 'Re: Fuel Pump rebuild kit for a 1969 300?'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19449
The guv-ment is pushing for even higher ratios of ethanol in fuels...trying to get 15% or more in the next year or so. Very few places will have non-ethanol fuel these days....Censored

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Joel Adams
C3VR Lifetime Member #56    
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             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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2/28/12 10:20pm - Reply: 'Re: Fuel Pump rebuild kit for a 1969 300?'
rearn2go72
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Bladenboro, NC - USA

Vette(s):
1972 conv., sunfire yellow, blk interior, blk vinyl and convertible top. Off frame restoration with American Speed 383 stroker engine producing 500hp plus a 200hp NOS system. MSD ignition. Hooker super competition headers with chambered exhaust.

Joined: 1/22/2006
Posts: 1058
You can go to pure-gas.org and find locations in your town that sells non-ethanol fuel.

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