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Fuel pump from the top?

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Old Feb 13, 2006 | 10:22 AM
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Default Fuel pump from the top?

Has anyone taken the fuel pump out from the top? Would like some guidence before I cut into my car pics would be great. Thanks in advance.
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Old Feb 13, 2006 | 10:54 AM
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Search for "fuel pump trap door", I know I've seen good
threads w/ pix although they are only for hardtops
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Old Feb 13, 2006 | 11:39 AM
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I just did and all I could find is people baching that method. I have allready had the tank out this year so I dont need to clean it out again.. I would like some guidence of some sort measurments, pics, something. Thanks
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Old Feb 13, 2006 | 01:46 PM
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I can only find a pic of a 99+ car. 98s are in the exact same spot but almost all the way to the front of the car, not the rear like the pic. This is the only pic I have of my 98 but it has the cover plate on it, you can see how much you have to cut towards the front (the flashlight is towards the rear of the car), its the same width as the 99+ pic but the cover is wider in my pic so there is a place to put screws. The 'ribs' are right on top of the tank so be very carefull when cutting..

One day the search will work again Maybe someone else has a 98 pic with the cover off.
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Old Feb 13, 2006 | 02:25 PM
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thanks
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Old Feb 13, 2006 | 02:51 PM
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I did one on a 98 convertible, had to make the hatch larger than usual though. I found that two of the quick disconnects were close to the top of the sending unit while the third was further back where it 'L' s around, making me cut out more than anticipated. Took alot of welding work to set up the hatch door, resembles an L shape. My 2002 HT was easy, small cut out, all disconnects near sending unit, and I found a marine/boat compartment hatch made of diamond plate that I welded in and painted to match, looks good, should have seen the masking for the paint though, You would have laughed your *** off.
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Old Feb 17, 2006 | 10:00 AM
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https://ls1tech.com/forums/fueling-injection/436951-ned-help-installing-walbro-255lph-pump.html

98 senders are a bit further forward I think.....but here's the best write up I've found.....
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Old Feb 17, 2006 | 01:37 PM
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http://www.neofb.com/gallery
see gallery'some mods to my Z28'
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Old Feb 17, 2006 | 04:25 PM
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Originally Posted by 98 T/A raptor
Has anyone taken the fuel pump out from the top? Would like some guidence before I cut into my car pics would be great. Thanks in advance.
Certainly go in from the top, i would recommend it. I had a blockage, had to take out the pump, followed some instructions on this forum. Brought a dremel, started cutting the trap door, cut about half, popped in for a break, checked the forum again and found I was following instructions for a 98 model. I have a 2000, which is further towards the rear of the car, no problem though, all looks fine once the new plate is added over the top. The pump is now easy to check, can get it out and back in again in under 20mins. The blockage was some dodgy fuel, cleaned the filter and is okay again, probably not perfect though just cleaning it.

Have now brought a Walbro 255lb, will install that tommorow, I'll take some photos so you can see the trap door, also will try to do a step by step install as others may find it useful.
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Old Feb 17, 2006 | 04:29 PM
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Found a great inatall guide, I dont think I'll bother writing my own, this seems so complete.

http://www.public.asu.edu/~nicolasd/...mpinstall.html


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Old Feb 19, 2006 | 02:09 AM
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What I want to know is when did they change the location of the lines up?
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Old Feb 19, 2006 | 06:27 PM
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I used a 6" hole saw to cut my access hole. About $25 for the hole saw if I remember correctly. Very quick and clean. Just need to be carefull not to cut too deep.
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Old Feb 19, 2006 | 06:29 PM
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Thought I had some pics somewhere but not havin any luck findin em. I'll keep lookin.
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Old Feb 19, 2006 | 06:39 PM
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Are the dimensions the same for an LT1? Say, a 94'z?
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Old Feb 20, 2006 | 04:03 AM
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Originally Posted by mike s.
What I want to know is when did they change the location of the lines up?
I believe '00 '01 and '02 are all nearer the back of the car, before them years it was nearer the back seat.

We all want to have a small hole and keep it tidy, but even if you do a larger hole and plate it over you can still make it look very neat, and its under the carpet too. I put some sponge under the plate for sound proofing, it works very well.
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Old Feb 20, 2006 | 04:40 AM
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Originally Posted by kp
I can only find a pic of a 99+ car. 98s are in the exact same spot but almost all the way to the front of the car, not the rear like the pic. This is the only pic I have of my 98 but it has the cover plate on it, you can see how much you have to cut towards the front (the flashlight is towards the rear of the car), its the same width as the 99+ pic but the cover is wider in my pic so there is a place to put screws. The 'ribs' are right on top of the tank so be very carefull when cutting..

One day the search will work again Maybe someone else has a 98 pic with the cover off.
Will this location be different at all if the car in question is a 99 vert? Wouldn't think so, but still wanna be certain.
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Old Feb 21, 2006 | 06:10 AM
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same spot for 99 verts.....follow the links above for a 99+ car...
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Old Apr 30, 2006 | 01:59 PM
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I just did this on my 1999 T/A for a racetronix pump. I also managed to run the wiring harness up from under the car using a coat hanger.
Attached Thumbnails Fuel pump from the top?-auto-0022.jpg  
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