Forced Induction Superchargers | Turbochargers | Intercoolers

? For boost experts

Old Jul 26, 2017 | 05:42 PM
  #1  
Jstill84's Avatar
Thread Starter
Teching In
iTrader: (1)
 
Joined: May 2016
Posts: 28
Likes: 0
From: Owensboro,ky
Default ? For boost experts

Okay let me start off by saying I have an 07 impala SS with the the LS4.My current setup is a single s-300 Borg Warner turbo at 13 lbs. with meth injection. I have an LS1 3 inch MAF sensor and Factory LS4 throttle body. I just recently bought an overkill intake 90 MM throat with an LS6 90MM throttle body and 4 inch LS7 card style MAF sensor.my charge pipe coming off intercooler going to ls1 maf is 2.5 inches an it steps up to 3 inch with coupler.i know a retune is a must,im just wondering if it going from 2.5" charge pipe step upto 4" ls7 maf then 90mm tb etc. Will boost properly or will i lose pressure when it steps 2.5" to 4"? Sorry guys I just realized I should have posted this in the forced inductions forum

Last edited by Jstill84; Jul 26, 2017 at 05:53 PM. Reason: Wrong forum
Reply
Old Jul 27, 2017 | 10:41 AM
  #2  
pantera_efi's Avatar
FormerVendor
iTrader: (1)
 
Joined: Nov 2008
Posts: 2,155
Likes: 18
From: Santa Ana, CA. USA
Default Charge Air Temperature

Hi J, what you state is VERY GOOD, to expand the area.

There will be a Charge Air temperature drop, another good reason to do what you state.

The best "step" is a 7*- 11* (funnel angle) cone, from the 2.5" to the 4"

Lance
Reply
Old Jul 27, 2017 | 11:11 AM
  #3  
Jstill84's Avatar
Thread Starter
Teching In
iTrader: (1)
 
Joined: May 2016
Posts: 28
Likes: 0
From: Owensboro,ky
Default

I greatly appreciate that Lance I don't want sound stupid but just to be clear the IAT will change but boost pounds will remain the same?one more question my friend,will i be seeing more turbo lag?Also do you know where i can buy a 2.5" to 4" funnel cone,the only ones i found are for non-boosted applications.

Last edited by Jstill84; Jul 27, 2017 at 11:20 AM.
Reply
Old Jul 30, 2017 | 04:38 PM
  #4  
pantera_efi's Avatar
FormerVendor
iTrader: (1)
 
Joined: Nov 2008
Posts: 2,155
Likes: 18
From: Santa Ana, CA. USA
Default Cool Air = Less Lag

Hi J, A sheet Metal Shop can do this for your needs, OR I could.

Sure when the MAT is reduced, you should see a SMALL pressure drop.

The engine LOVES COOL AIR, with the "lag" reduced.

THUS, Cool Air = Less Detonation with more HP/Torque.

Lance
Reply


Thread Tools
Search this Thread

All times are GMT -5. The time now is 05:21 AM.

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