LT1-LT4 Modifications 1993-97 Gen II Small Block V8

how many hours to change fuel pump??

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Old Sep 3, 2011 | 06:12 PM
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Default how many hours to change fuel pump??

Just wondering about how much time does it take to change a fuel pump on 97 camaro. Im going from a stock fuel pump to 255 lpi pump, just unsure how long the swap takes.
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Old Sep 3, 2011 | 06:20 PM
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Cut a access panel and it'll take under a hour....
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Old Sep 3, 2011 | 07:21 PM
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If it's all stock and you want to keep it that way....

Took me one afternoon to get the tank out, and another to put it back on my 2002. Have to remove the muffler, and drop the rear axle.

My 95 is cut, so it's a lot easier.

If you decide to do this BE CAREFUL. Gasoline fires are not fun, and the fumes are deadly. I was able to siphon almost all the fuel out with a small hose. Could not get 1/2" ID hose to work.

Al 95 Z28
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Old Sep 3, 2011 | 08:10 PM
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do the cut out dude save yourself the time
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Old Sep 3, 2011 | 08:31 PM
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45 min..





A flat piece of aluminum & some RTV is what sealed it back up.
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Old Sep 3, 2011 | 08:46 PM
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You should go with the complete kit that has a wiring upgrade, new prefilter and proper stocklike flex hose.

If anyone is still selling them with a stub of black hose don't use it as they are known to split.
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Old Sep 3, 2011 | 09:19 PM
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Takes me about an hour without a hole in my floor.
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Old Sep 3, 2011 | 09:58 PM
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Access panel is the fastest way to get it done and would only take around a hour to get it done.
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Old Sep 4, 2011 | 07:37 AM
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If you decide not to "cannibalize" your floor pan, as "BigAl' said, plan on spending some time, AND plan on getting the car PRETTY HIGH on a set of solid jackstands.

My pump started getting pretty noisy last year, and I figured it was on the way out. I didn't want to cut the floor, as my car is a rust-free, never in winter car. So I got the car as high as I could safely get it, with the stands I had, took out the muffler, PHB, the heat shields, unhooked the shocks, unbolted the brake line junction from the axle, lowered the axle as far as I could, and still couldn't wrestle the the tank out. If I could have gotten the car up maybe another 2-3 inches, I probably could have done it. In all honesty, it isn't impossible to do at home, but having the car on a lift is way more desireable.

Long story short, since I work part time for Advance Auto Parts, driving the delivery truck, I know a lot of people in the repair shops in my area. I was telling my story to an owner of one of the shops I'd trust with my car, and he told me to bring it to him. I take care of him, getting him his parts ASAP, and he returned the favor by doing the pump for me for $100.....
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Old Sep 4, 2011 | 07:44 AM
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Acces panel is the way to go.

https://ls1tech.com/forums/fueling-i...p-install.html
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Old Sep 4, 2011 | 08:00 AM
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Get yourself a pair of offset sheet metal snips (Lowes/HD) the you can just drill a small hole to get it started. Metal snips will cut through that sheet metal easily and is WAY safer than sparks flying around over your gas tank. That's how I did mine, 10x easier than dropping the tank/rear/exhaust etc and makes future replacements a simple task.
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Old Sep 4, 2011 | 08:30 AM
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Originally Posted by GREGG 97Z
Get yourself a pair of offset sheet metal snips (Lowes/HD) the you can just drill a small hole to get it started. Metal snips will cut through that sheet metal easily and is WAY safer than sparks flying around over your gas tank. That's how I did mine, 10x easier than dropping the tank/rear/exhaust etc and makes future replacements a simple task.
Exactly. Quicker, easier, cleaner and safer.
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Old Sep 4, 2011 | 12:01 PM
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I've never worried about Sparks..that is a fully sealed system at that spot. Just dont cut more than a 1/4" deep.
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Old Sep 4, 2011 | 01:32 PM
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Only issue I have with the access panel is you will never know what crud is lurking in the tank, you could've had a pump failure from debris in the tank.
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Old Sep 4, 2011 | 01:46 PM
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One other "minus" for the cutout. After you cut the hole and open the tank the fumes are permeating the interior. I had the passenger's door open and a big shop fan blowing in. And working from the rear of the car is a real pain. You can't stand behind the car and reach the hole unless you prop yourself up with one hand. I had to remove the spare and sit straddling the hump. Was able to hold my breath and wipe out the tank with a shop towel.

Al 95 Z28
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Old Sep 4, 2011 | 05:14 PM
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Originally Posted by pancho toco loco
Only issue I have with the access panel is you will never know what crud is lurking in the tank, you could've had a pump failure from debris in the tank.
You can look in there when you remove the Sending Unit.

Originally Posted by Big Al
One other "minus" for the cutout. After you cut the hole and open the tank the fumes are permeating the interior. I had the passenger's door open and a big shop fan blowing in. And working from the rear of the car is a real pain. You can't stand behind the car and reach the hole unless you prop yourself up with one hand. I had to remove the spare and sit straddling the hump. Was able to hold my breath and wipe out the tank with a shop towel.

Al 95 Z28
I guess you missed that these cars have a Hatch Back that you can open.



You guys can **** on this method all you want. It's pretty much the best way to go IMO..apply some common sense and you'll get the job done pretty easy to what it would normally take. There are cars nowadays with the Panel built in from the factory.

Go at it like a tard and I guess natural selection will take it's course.

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Old Sep 4, 2011 | 06:09 PM
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^^^^ this , lol
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Old Sep 4, 2011 | 10:39 PM
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thanks everyone for the ideas and info...I'm still not sure whether or not im going to cut an access panel or drop the tank from the bottom. But I do know that I need a much higher flowing fuel pump for this 396 thats about to put in.
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Old Sep 5, 2011 | 06:56 AM
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Originally Posted by bigz28man
thanks everyone for the ideas and info...I'm still not sure whether or not im going to cut an access panel or drop the tank from the bottom. But I do know that I need a much higher flowing fuel pump for this 396 thats about to put in.
From what I've gathered by reading some of the fuel pump discussions over the years, once you get into the stroker motor, big fuel needs situations, the pumps don't last all that long. You may want to cut the access panel....
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Old Sep 5, 2011 | 07:03 AM
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Let's see...spend hours loosening big-*** rusted-on bolts, messing around with the filler neck, removing springs and shocks, lugging around a cumbersome fuel tank, or take 10 minutes with tin snips.

Those people that bash the method have obviously never done it before. Sure if you have a friend nice enough who could do it for a hundred bucks, but it's STILL a hundred bucks you wouldn't have to pay if you cut the hole and did it yourself.

Cut the hole, yo.
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