LS1TECH - Camaro and Firebird Forum Discussion

LT1-LT4 Modifications 1993-97 Gen II Small Block V8

odd flatspot

Thread Tools
 
Search this Thread
 
Old Oct 17, 2009 | 11:34 PM
Share
  #1  
93v8clone's Avatar
93v8clone
Thread Starter
TECH Regular
 
Joined: Jun 2009
Posts: 448
Likes: 0
From: new york
Default odd flatspot
i have a 358 lt1 cc503 cam ,pcmforless tune ,all bolt ons on a 94 z-28 a4 with a edge 4k converter .on occasion ill have a flatspot at about 4-5 grand the car pulls threw it when it does it and it not all the time .was wanting to get oppinians on it .oh and its worse on nitrous when it does it also .its not gettin high knock counts when it does a tune up is brand new like 500 miles new ,it did it a little on the old motor also just not as frequent .it is really pissin me off
Reply
0
Old Oct 18, 2009 | 12:04 AM
Share
  #2  
Black96transam's Avatar
Black96transam
On The Tree
 
Joined: May 2009
Posts: 143
Likes: 0
From: Loris,South Carolina
Default
have you changed ya fuel filter? or fuel pump?
Reply
0
Old Oct 18, 2009 | 12:23 AM
Share
  #3  
93v8clone's Avatar
93v8clone
Thread Starter
TECH Regular
 
Joined: Jun 2009
Posts: 448
Likes: 0
From: new york
Default
filter is brand new ,pump is origanal ,but my nitrous fuel feed is hard fitted to my f/p test port and im waitin for adapters so i can make my f/p gauge work with the setup i got
Reply
0
Old Oct 18, 2009 | 12:24 AM
Share
  #4  
93v8clone's Avatar
93v8clone
Thread Starter
TECH Regular
 
Joined: Jun 2009
Posts: 448
Likes: 0
From: new york
Default
im thinkin its pressure also ,but wanted other oppinions on it .over the winter im doin the racetronix kit anyway just to be safe s im goin bigger in the no2 dept and wannabe safe
Reply
0
Old Oct 18, 2009 | 12:59 AM
Share
  #5  
Black96transam's Avatar
Black96transam
On The Tree
 
Joined: May 2009
Posts: 143
Likes: 0
From: Loris,South Carolina
Default
i was thinking the pressure.. you got a fuel pressure regulator on it?
Reply
0
Old Oct 18, 2009 | 08:06 AM
Share
  #6  
Badazz 97 TA's Avatar
Badazz 97 TA
TECH Addict
iTrader: (18)
 
Joined: Aug 2007
Posts: 2,169
Likes: 2
From: Arizona
Default
spark plugs? too big of gap?
Reply
0
Old Oct 18, 2009 | 09:01 AM
Share
  #7  
93v8clone's Avatar
93v8clone
Thread Starter
TECH Regular
 
Joined: Jun 2009
Posts: 448
Likes: 0
From: new york
Default
im runnin ngk tr6,s at .30 , stock pressure reg
Reply
0

Trending Topics

Old Oct 18, 2009 | 01:32 PM
Share
  #8  
Black96transam's Avatar
Black96transam
On The Tree
 
Joined: May 2009
Posts: 143
Likes: 0
From: Loris,South Carolina
Default
you might be pulling too much fuel and hitting a dry spot at the 4-5 area.. you need to turn up the pressure. summit has a regulator thas perfect for it.. aeromotive($155.95) money worth spending
Reply
0
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

 Brett Foote
story-1

Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

 Pouria Savadkouei
story-2

Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

 Verdad Gallardo
story-3

7 Most Reliable High-Performance Engines GM Has Ever Built

 Verdad Gallardo
story-4

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

 Verdad Gallardo
story-5

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

 Pouria Savadkouei
story-6

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

 Verdad Gallardo
story-7

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-8

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-9

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
Old Oct 18, 2009 | 08:26 PM
Share
  #9  
93v8clone's Avatar
93v8clone
Thread Starter
TECH Regular
 
Joined: Jun 2009
Posts: 448
Likes: 0
From: new york
Default
was told to let the reg be at stock ,untill dyno tune seein as the variables are to wide .im runnin #30 svo,s now
Reply
0
Old Oct 18, 2009 | 08:33 PM
Share
  #10  
Black96transam's Avatar
Black96transam
On The Tree
 
Joined: May 2009
Posts: 143
Likes: 0
From: Loris,South Carolina
Default
is it hitting flat spot when spraying?
Reply
0
Old Oct 18, 2009 | 09:16 PM
Share
  #11  
93v8clone's Avatar
93v8clone
Thread Starter
TECH Regular
 
Joined: Jun 2009
Posts: 448
Likes: 0
From: new york
Default
does it worse on the bottle ,its a wet kit also
Reply
0
Old Oct 18, 2009 | 09:23 PM
Share
  #12  
Black96transam's Avatar
Black96transam
On The Tree
 
Joined: May 2009
Posts: 143
Likes: 0
From: Loris,South Carolina
Default
ok i wanna make sure.. you said fuel line for the nos is tapped into the test port on the fuel rail right?
Reply
0
Old Oct 19, 2009 | 05:25 PM
Share
  #13  
93v8clone's Avatar
93v8clone
Thread Starter
TECH Regular
 
Joined: Jun 2009
Posts: 448
Likes: 0
From: new york
Default
yeah it is
Reply
0
Tags
Back to Subforum
LT1-LT4 Modifications
View Next Unread
couldn't find a straight answer in search.. help please




Advanced Search

All times are GMT -5. The time now is 01:46 PM.

story-0
6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

Don't get dad new socks or a grill brush this year.

By Brett Foote | 2026-06-09 14:55:56


VIEW MORE
story-1
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-2
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-3
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-4
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-5
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-6
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-7
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-8
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-9
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