Forced Induction Superchargers | Turbochargers | Intercoolers

76mm and no lowend power

Thread Tools
 
Search this Thread
 
Old Aug 2, 2009 | 07:24 AM
  #1  
raybob's Avatar
Thread Starter
Teching In
iTrader: (1)
 
Joined: Jun 2008
Posts: 23
Likes: 0
From: Arkansas
Default 76mm and no lowend power

Just got this car last week, car ran good but now doesn' t have any lowend power. I ran codes and seen it has a MAP code and a Knock sensor code. I am going to try and address these issues and see what come up with.
Reply
Old Aug 2, 2009 | 11:03 AM
  #2  
OUTLAWZ RACING's Avatar
TECH Addict
iTrader: (9)
 
Joined: Mar 2004
Posts: 2,726
Likes: 1
From: COLUMBUS GA.
Default

Type of kit ? set up info
Reply
Old Aug 2, 2009 | 12:16 PM
  #3  
raybob's Avatar
Thread Starter
Teching In
iTrader: (1)
 
Joined: Jun 2008
Posts: 23
Likes: 0
From: Arkansas
Default kit

it has the TTI 76 MM street kit, car has 2 codes set, maf and the knock sensor. I will do some more investigating first of the week.
Reply
Old Aug 2, 2009 | 12:20 PM
  #4  
396375's Avatar
9 Second Club
iTrader: (10)
 
Joined: Mar 2008
Posts: 256
Likes: 1
From: Niagara Falls NY
Default

What converter?What will it flash to?
Reply
Old Aug 2, 2009 | 01:23 PM
  #5  
Sluggish's Avatar
12 Second Club
iTrader: (10)
 
Joined: Dec 2006
Posts: 1,316
Likes: 0
From: Fannett, Tx
Default

Put a lower gear in it or a 75 shot.
Reply
Old Aug 2, 2009 | 03:22 PM
  #6  
raybob's Avatar
Thread Starter
Teching In
iTrader: (1)
 
Joined: Jun 2008
Posts: 23
Likes: 0
From: Arkansas
Default convertor

It has a 3800 stall and a 3.73 gear.
Reply
Old Aug 2, 2009 | 03:28 PM
  #7  
b00sted's Avatar
TECH Fanatic
20 Year Member
iTrader: (7)
 
Joined: Jun 2005
Posts: 1,109
Likes: 0
From: Chicago
Default

If it set the SES light for a MAF code, it's probably still running the stock OS tune instead of a 2/3 bar like it should. So you're maxing out the MAF or they failed it and did some fudged up SD tune...Which is probably why it makes **** power anywhere other than in boost.
Reply
Old Aug 2, 2009 | 04:17 PM
  #8  
kikass_z28's Avatar
On The Tree
 
Joined: Dec 2008
Posts: 109
Likes: 0
From: Lino Lakes, MN
Default

The knock sensor code is probably pulling some timing making it slower
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

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

 Verdad Gallardo
story-1

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-2

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old Aug 2, 2009 | 04:33 PM
  #9  
raybob's Avatar
Thread Starter
Teching In
iTrader: (1)
 
Joined: Jun 2008
Posts: 23
Likes: 0
From: Arkansas
Default codes

Ok it is like a timing issue but will check the map sensor also. Thanks
Reply
Old Aug 2, 2009 | 07:05 PM
  #10  
Super Slow SS's Avatar
TECH Enthusiast
iTrader: (9)
 
Joined: Oct 2005
Posts: 702
Likes: 0
From: Greenville, Raleigh NC
Default

I think there was a confusion on post here .. is it a MAP code or a MAF code and does your car still have the MAF on it?
Reply
Old Aug 2, 2009 | 07:19 PM
  #11  
raybob's Avatar
Thread Starter
Teching In
iTrader: (1)
 
Joined: Jun 2008
Posts: 23
Likes: 0
From: Arkansas
Default Maf

Yes it still has the MAF on it. What do i need to look at on it? I have seen there are different ones. Mine is stock far as i know.
Reply
Old Aug 2, 2009 | 08:15 PM
  #12  
02anti_vnm's Avatar
TECH Enthusiast
iTrader: (32)
 
Joined: Jun 2008
Posts: 514
Likes: 0
From: Roanoke, Va
Default

Originally Posted by raybob
Just got this car last week, car ran good but now doesn' t have any lowend power. I ran codes and seen it has a MAP code and a Knock sensor code. I am going to try and address these issues and see what come up with.
he said it ran good but NOW

sounds like a simple problem of the knock sensor and/or the maf going bad and pulling timing hence why its running like crap change those then post back

hope it works out man
Reply




All times are GMT -5. The time now is 07:01 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