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Old 02-13-2016, 12:59 PM   #1
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Any harm in running larger fuel pump pre-cam

So I am looking to do a cam only sometime this summer...

but currently I am swapping my LM1 with a magnaflow catback...

To avoid taking my exhaust down a million times any harm in swapping in a 255LPH fuel pump while I have the exhaust down even if I don't do the cam anytime soon and continue racing with it ?
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Old 02-13-2016, 01:07 PM   #2
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No.
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Old 02-13-2016, 01:29 PM   #3
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sounds good...not to mention it will spread the cost out a little bit...also the car is 15 years old I can only assume its the original fuel pump.
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Old 02-13-2016, 03:13 PM   #4
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Get the Racetronics hot wire kit too while you have the tank down. Very easy to install, everything is plug-n-play
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Old 02-13-2016, 03:33 PM   #5
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Get the Racetronics hot wire kit too while you have the tank down. Very easy to install, everything is plug-n-play
U think I really need that since im only going up to a 255 ? I would think its more necessary on a big jump like 380 or greater...

trying to keep the cost of this down within reason.
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Old 02-13-2016, 04:44 PM   #6
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I have it and also have a 255. It may not be necessary but I figured since I was there I would do it.
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Old 02-13-2016, 05:04 PM   #7
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Yes, get the Hotwire.
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Old 02-13-2016, 05:10 PM   #8
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ugh more money lol any way I can drop the tank without taking the new exhaust down once its installed ? I can't picture under the car right now.
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Old 02-13-2016, 06:26 PM   #9
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You can take the exhuast off the hangers and do it that way. You don't need to completely remove it
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2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.

2006 GTO, 11.48 @ 118.3
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Old 02-13-2016, 09:26 PM   #10
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You can take the exhuast off the hangers and do it that way. You don't need to completely remove it
Yep. The rubber filler tube on the 99+ makes all the difference...
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Old 02-13-2016, 09:34 PM   #11
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Yep. The rubber filler tube on the 99+ makes all the difference...
based on pics I saw too it looked like the pre 99 cars had diff type of lines on top as well ?

so torn between going to the shop dropping the tank all that versus just cutting the trap door...

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Old 02-14-2016, 06:26 AM   #12
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Dont hack the car, do it right. Its not hard to drop the tank and do the fuel pump the correct way
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Old 02-14-2016, 10:46 AM   #13
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I think Adam has some pics of melted bulk head wires from running a 340lph aeromotive and stock wires. Stock wiring works for stock stuff. Do it all right, and all at once.
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Old 02-14-2016, 02:38 PM   #14
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I think Adam has some pics of melted bulk head wires from running a 340lph aeromotive and stock wires. Stock wiring works for stock stuff. Do it all right, and all at once.
true but I feel like alota people run 255 with no problem 340 2x stock

but yeah i will prob do the wire kit when I do it
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Old 02-14-2016, 02:48 PM   #15
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A lot of people hack holes in their car too, doesn't make it right or wrong.
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repo bigals turd gen and part it out to a loving home
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Old 02-14-2016, 03:57 PM   #16
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A lot of people hack holes in their car too, doesn't make it right or wrong.
Trap door for the win. If you do it the right way. Not how I did mine
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In all honesty, unless you have some weird addiction to your motor, go LSX. It will be cheaper, easier, and actually be able to be tuned.
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Old 02-14-2016, 05:59 PM   #17
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Trap door for the win. If you do it the right way. Not how I did mine
photos!!


yea, I myself would NEVER do the trap door method. I've wrestled two tanks down, one from my 87 and one from my brothers 87 GTA. i know your 4th gen is different (and easier), it should only take 2-3 hours. do it the right way.
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Old 02-14-2016, 07:05 PM   #18
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as long as I don't have to uninstall the exhaust again once I put the new one in then I will just drop it off the hangers and drop the tank
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Old 02-15-2016, 03:58 PM   #19
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Trap door for the win. If you do it the right way. Not how I did mine
Theres a right way to incorrectly replace a fuel pump?
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Old 02-15-2016, 04:07 PM   #20
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Quote:
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Theres a right way to incorrectly replace a fuel pump?
Methinks he was trying to cut said trap door with either the motor running smoking a Lucky Strike... or with the jaws of life
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Old 02-16-2016, 01:09 PM   #21
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Methinks he was trying to cut said trap door with either the motor running smoking a Lucky Strike... or with the jaws of life
Cutting torch, DUH.
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Old 02-16-2016, 01:37 PM   #22
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Cutting torch, DUH.
Only way to do it.

Also,
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Old 02-16-2016, 01:44 PM   #23
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Only way to do it.

Also,
Well, "trap" is right there in the name.
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