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In Tank Or In Line Fuel Pump?

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Old 07-01-2002, 06:46 PM
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In Tank Or In Line Fuel Pump?

Hey all,
Just wondered what most thought would be a better choice
dropping the tank and changing the stock pump with a high flow unit or add an inline like a t-rex or similar?
Dropping the tank on our cars is no fun but i think it may be the way to go quieter,less voltage draw.
Old 07-01-2002, 07:31 PM
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Car: 2018 Camaro SS
Engine: LT1 w/Paxton 1500SL
go with a Walbro 340 w/hotwire kit

the pump will supply enough fuel for 10's

here's a link

Fuel pump

its for a TTA but i'll work the same
Old 07-01-2002, 08:18 PM
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Thanks for the reply and the link.
Ill keep that one in mind deffinetely
Old 07-02-2002, 10:38 AM
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Car: 98 Camaro SS
Engine: LS1
Transmission: M6
Drop the tank.



I just got done with this experience... Intank was going out, so I threw a 255 vortech t-rex inline...

it worked GREAT! for about 2 weeks. Then it left me stranded.. it couldnt suck through the intank anymore..

So I got the pleasure of buying a new granatelli 255 intank, and THEN a new vortech T-rex.. because, OH YEAH.. when they suck air instead of fuel, they burn out quickly.


I dont feel like arguing the point of cutting the "hole", but thats the route I went.. and it turned out beautiful. Dzus fasteners, aluminum access port, completely stealth.

and it doesnt affect structural integrity..
Old 07-02-2002, 01:41 PM
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LOL, thanks
Ive done the hole twice ,in my 82 to make the pick up 1/2
and to a friends car to change the pump but dont plan on doing it to this car yet.
Also would not recomend this process to anybody who is not very handy with a whiz wheel and knows exactly how far away the
tank is from floor.
Old 07-02-2002, 03:05 PM
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Car: 98 Camaro SS
Engine: LS1
Transmission: M6
I didnt "cut" the hole per say..

I 'tore' it sardine can style.. I used a dremel with a stop drill bit (only allowing the bit to travel 1/4")

I then popped the space between the pilot holes, and rolled the metal back...


It looked ****ty as **** after that (all uneven) So i went to work with tin snips and a file..


It turned out beautiful.
Old 07-10-2002, 02:21 PM
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Car: 1992 B4C 1LE
Engine: Proaction 412, Accel singleplane
Transmission: built 700R4 w/custom converter
Axle/Gears: stock w/later 4th gen torsen pos
after seeing alot of intank "performance" and "stock" pumps fail, I finally came across the walbro unit sold for mustangs (255lph) and after selling about 200 of the things I've never had onle fail yet, so I put one in the camaro, and I will still use an inline also. I see alot of blown cars come in without the inline from the kit installed and customers tell me they have a 255 LPH intank so they wont bopther installing the in line, and the dyno and the fuel pressure gauge tell the story. you can always get a tank from a early carbed car and use a monster inline (dont forget to get the tank straps too) I did that once with some success. go sumped, its the tops.
Old 07-10-2002, 07:22 PM
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Thank all,
Already on the way $99 from ebay musclemotorsports
255lpg gss 340. in tank.
Old 07-13-2002, 03:58 PM
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Anyone have pictures of "the hole"????? If so can you post one or two here???
Old 07-14-2002, 12:36 AM
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link for you bill. LINK

some of the pics are linked, so you might have to click them.
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