Generation III External Engine LS1 | LS6 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

Fuel pump upgrade necessary?

Thread Tools
 
Search this Thread
 
Old Aug 22, 2017 | 10:55 PM
  #1  
HappySalesman's Avatar
Thread Starter
TECH Fanatic
10 Year Member
Photogenic
Photoriffic
Liked
iTrader: (3)
 
Joined: Jun 2014
Posts: 1,241
Likes: 47
From: Noblesville, IN
Default Fuel pump upgrade necessary?

As the build for my motor is nearing completion, I wanted to make sure all my ducks are in a row so I can just drop this puppy in and go.

That being said, I wanted to know if my fuel pump required upgrading. I'm aiming for about 470-480rwhp, with the white Bosch injectors. I'd read mixed feelings on what power level the factory pump could handle, and most of these are from a few years ago.

So, with all the experience we have now, what's the consensus? And if I do need to upgrade it, what's the best route to go?
Reply
Old Aug 22, 2017 | 11:20 PM
  #2  
bad_408_vert's Avatar
TECH Junkie
15 Year Member
Liked
Loved
Community Favorite
iTrader: (6)
 
Joined: Jan 2009
Posts: 3,416
Likes: 10
From: Queens, NYC
Default

I want to say yes you likely do, but I'm no expert and think you 'd get more replies here:
https://ls1tech.com/forums/fueling-injection-8/
Reply
Old Aug 22, 2017 | 11:40 PM
  #3  
tech@WS6store's Avatar
LS1Tech Premium Sponsor
iTrader: (2)
 
Joined: Apr 2016
Posts: 4,670
Likes: 250
Default

Honestly anything above 400rwhp is taxing the factory pump with the factory anemic wiring.
The racetronix 255lph kit with hotwire is the one and done kit for you. Itll handle quite a bit more power and give you a good setup to be sure on your tune.

99+ 255lph/hotwire bundle
Reply
Old Aug 23, 2017 | 03:33 AM
  #4  
HCI2000SS's Avatar
TECH Senior Member
iTrader: (2)
 
Joined: Aug 2012
Posts: 11,137
Likes: 20
From: Howell & Fenton MI
Default

At 480 rwhp you should most definitely upgrade
Reply




All times are GMT -5. The time now is 07:59 PM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE