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

Fuel Pump Trap Door Mod---PICS!

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Old 06-22-2012, 03:44 PM
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Originally Posted by JoshuaGrooms83
i am, im horrible. i dig. hard lol

notice your from waukesha. lake geneva here
Actually Elkhorn now.
Old 06-23-2012, 05:43 AM
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oh wow, i use to work at elkhorn automotive and tire center, by franks. my father in law use to own the shop until he sold to the current owner, brian, in 2008ish. they got that race car out there now.

Last edited by JoshuaGrooms83; 06-23-2012 at 05:50 AM.
Old 06-23-2012, 07:40 AM
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Originally Posted by JoshuaGrooms83
oh wow, i use to work at elkhorn automotive and tire center, by franks. my father in law use to own the shop until he sold to the current owner, brian, in 2008ish. they got that race car out there now.
Funny, I used to do parts delivery all around SE Wisc, including Elkhorn auto and tire. But it was all in 2008-2010 (when I was finishing up school). And yeah I saw the race car there a couple days ago.

If you see a cammed medium patriot red camaro around that's probably me :p I also have the red t/a but that only has exhaust so not quite as unique.
Old 06-23-2012, 11:32 AM
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i think ive seen the TA around. i was the one that drove the other Red TA with the black hood for awhile there during that time.
Old 07-27-2012, 02:15 AM
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Originally Posted by Michigan Skip
That's what I said I did. I ...marked the bits so I only went thru just enough to puncture the sheet metal.
Here is an easy trick that we use all of the time as Sheet Metal Mechanics on aircraft. You can easily make a Drill Stop by Wrapping 1" Masking tape on your drill bit about an 1/8-3/16" thicker in diameter then the drill bit. As long as you dont push on the drill bit like a gorilla, the tape will stop the drill bit from going much further then the edge of the tape.

Joe
Old 12-01-2012, 12:45 AM
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Originally Posted by the_merv
If you end up blowin up doin this then **** was just meant to be that way..lol

There is a pretty good amount of room between the Tank and the Panel that you will cut..that's if you are cutting in the correct places.

Here is mine..



might be doing this this weekend if i get some time to myself.
Cant wait to get the racetronix pump in
Old 12-01-2012, 01:07 AM
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I used a cut off wheel when I did mine. I didn't see this mentioned, so I'll go ahead and say it. COVER EVERYTHING. I was an idiot and didn't. Found out when I had my window tinted that I had a thousand little bits of metal embedded in the glass on my hatch.
Old 12-01-2012, 01:37 AM
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Nice 'pics. I wish I had used a real cut-off wheel instead of my damn Dremel-I burned the damn thing out. Also, I like the "L" shaped cut above the lines. I just cut it straight and had a hell of a time trying to disconnect and reconnect the lines. I don't ever want to touch that stuff again!
Old 12-01-2012, 05:26 PM
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AND DONE! lol the cutting part was the easiest. The Harness was like a 4 out 10 due to having to move jack stands around and whatnot and squeezing under the car in certain areas. the battery cable that i got was the biggest PITA and waste of time. First of all its the same size as the one thats already on the car. then the little brass fitting's inner screw broke on me when i was tightening it down. The stock ground screws top portion broke on me so then i had to unscrew the whole thing and then use that as the ground screw. everything else went smoothe!
Old 04-20-2013, 10:27 PM
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I have to change the pump on my wifes 97 vert. with little to no room in there to work. where do I need to measure to even start? I did one on my 95, but its not a convertable and was very easy.
Old 04-22-2013, 07:51 PM
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shouldnt be any different. ALL verts started live the same as hardtop/t-tops cars.

Ive done a few access pannels. only diff. is I use rivnuts to resecure the new plate made.
https://www.google.com/search?q=rivn...MND00QGe0oGoDw
Old 04-22-2013, 10:44 PM
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The previous owner of my 95 Formula added the trap door with these same demensions, but instead of scrapping the section cut out he re-used it as the door. He took a length of 1/8" thick by 1 1/2" wide aluminum and cut it in pieces to fit the border of the door opening. The he riveted those to the trunk floor so the original "door" that was cut out just sits on top of them and you screw it down. This way it's a perfect, FLUSH fit of the same guage and finish. Besides the screws to hold it down it's almost invisible.
Sure noone sees it anyway, but this was super easy and you don't have to cut out a piece of sheet metal.
Old 04-22-2013, 10:51 PM
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Originally Posted by 1961ba427
The previous owner of my 95 Formula added the trap door with these same demensions, but instead of scrapping the section cut out he re-used it as the door. He took a length of 1/8" thick by 1 1/2" wide aluminum and cut it in pieces to fit the border of the door opening. The he riveted those to the trunk floor so the original "door" that was cut out just sits on top of them and you screw it down. This way it's a perfect, FLUSH fit of the same guage and finish. Besides the screws to hold it down it's almost invisible.
Sure noone sees it anyway, but this was super easy and you don't have to cut out a piece of sheet metal.
Pics?
Old 04-29-2013, 09:56 PM
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Originally Posted by ThoR294
Pics?
I didn't take any while I had it apart, but the opening looked just like the one on the first page of this thread. The only difference is the previous owner reused the section that was cut out. He rivited some strips of aluminum around the perimeter of the trap door opening so that you can scew the panel to those and it will sit flush and look more stock.
Although he made the traditional rectangular cut using the measurements posted in this thread and I was able to reach the hose connections alright, I still think the L shaped cut is the way to go.
Old 04-29-2013, 10:17 PM
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Originally Posted by the_merv
Where the hell did those wires come from lol
Old 04-29-2013, 10:26 PM
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Originally Posted by ThoR294
Where the hell did those wires come from lol
They go towards the front of the tank and plug into a bulkhead type junction on the back of the floorpan where it kicks up behind the seat. I was able to crawl underneath by my driver's rear tire and unplug/re-plug it without jacking the car up.

I think the one in The Merv's pic is a later model so the wiring at the sending unit may look a little different.
Old 04-30-2013, 12:33 AM
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It's a 1998, but in the same spot as the LT1 Cars...those wires plug in the Bulkhead like mentioned..I got under there and fished them thru.
Old 04-30-2013, 07:24 AM
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I knew where mine went... I just wanted to know where yours were going! lol
Old 08-28-2014, 12:12 PM
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Originally Posted by the_merv
Nope.. I don't seal anything there. The Tank is sealed and I have that piece of carpet with the rubberized bottom over my Panel. I have never had any problems with Vapors in the car, and I plan to do the next one the same way.
Top of the morning the_merv; hey I'm thinking of doin this this weekend. I like how you did your trap door, but alil confused on how you sealed it with the L indention, what did you use, and do you have pic's? please get back at me asap thanks!!
Old 12-19-2014, 10:31 AM
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Subscribed. Man, I love these types of threads.


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