Notices
C5 General General C5 Corvette and C5 Z06 Discussion not covered in Tech

My Mod Thread. CAUTION: Mod Bender Inside

Thread Tools
 
Search this Thread
 
Old Jun 14, 2014 | 02:50 PM
  #141  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Loaded up and getting chained down for the trip.




Turns out the flat bed driver is a car guy too. We talked about his 64 Chevelle 496 stroker build and my work on the Vette all the way down



My tuner got the computer connected and a base tune installed pretty quickly. He took it for a few laps around the block to dial it in before putting it on the dyno.


And here it is. I won't lie and say I'm not a little disappointed; however, the tuner said the SC is moving a ton of air and we saw sparks coming out the exhaust which indicates the cats are the obstruction. He recommended headers and catless straight pipes. Make sense given the engine is an air pump and while I'm stuffing a lot more in, I've gotta fix it so more can come out.

Anyway, this is probably ~140hp and 100lb/ft over stock. It drives exactly like the chart shows. It starts coming on pretty strong around 2500-3000rpm and just continues getting stronger all the way to redline. 60-90mph on the Interstate is ridiculous in 2nd or 3rd gear. I floored it in second gear after turning a corner and the traction control just screamed for mercy. While a little lower than what I hoped for, this isn't bad for a mod that didn't require me to break a seal on the block. Headers are definitely next.

7lbs of boost, 10 degrees of timing. Red is the second pull, Blue is the third/final. 91 octane, no meth, ~98 degrees outside, SAE corrected.

Last edited by jmxp69; Jun 14, 2014 at 02:53 PM.
Reply
Old Jun 14, 2014 | 08:41 PM
  #142  
rjwz28's Avatar
rjwz28
Safety Car
10 Year Member
 
Joined: Sep 2007
Posts: 4,168
Likes: 21
From: Sunniest city on Earth
Default

Originally Posted by jmxp69
And here it is. I won't lie and say I'm not a little disappointed; however, the tuner said the SC is moving a ton of air and we saw sparks coming out the exhaust which indicates the cats are the obstruction. He recommended headers and catless straight pipes. Make sense given the engine is an air pump and while I'm stuffing a lot more in, I've gotta fix it so more can come out.

Anyway, this is probably ~140hp and 100lb/ft over stock. It drives exactly like the chart shows. It starts coming on pretty strong around 2500-3000rpm and just continues getting stronger all the way to redline. 60-90mph on the Interstate is ridiculous in 2nd or 3rd gear. I floored it in second gear after turning a corner and the traction control just screamed for mercy. While a little lower than what I hoped for, this isn't bad for a mod that didn't require me to break a seal on the block. Headers are definitely next.

7lbs of boost, 10 degrees of timing. Red is the second pull, Blue is the third/final. 91 octane, no meth, ~98 degrees outside, SAE corrected.
Was Nic the tuner?
Reply
Old Jun 15, 2014 | 12:50 AM
  #143  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Originally Posted by rjwz28
Was Nic the tuner?
Yessir.
Reply
Old Jun 15, 2014 | 04:04 AM
  #144  
rjwz28's Avatar
rjwz28
Safety Car
10 Year Member
 
Joined: Sep 2007
Posts: 4,168
Likes: 21
From: Sunniest city on Earth
Default

Originally Posted by jmxp69
Yessir.
He tuned mine over at Loud Pedal Motorsports under similar conditions and I was similarly disappointed... the temps here don't do us any favors. I would love to have mine dynoed elsewhere under more normal conditions, just to see how it runs.
Reply
Old Jun 15, 2014 | 07:16 PM
  #145  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Drove the car around today and it was great. Very strong. Still peeved about those obstructed cats, so I'm ordering new exhaust tomorrow from one of our local shops. Hoping he can fit me in some time this week. I'm going to set my wrenches down and sit out the header install.
Reply
Old Jun 15, 2014 | 09:24 PM
  #146  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Originally Posted by rjwz28
He tuned mine over at Loud Pedal Motorsports under similar conditions and I was similarly disappointed... the temps here don't do us any favors. I would love to have mine dynoed elsewhere under more normal conditions, just to see how it runs.
I know he did an excellent job with the tune. He was positive I have an obstruction in the cats which doesn't help either. A&A results from lots of different places sources typically show better numbers, so I agree with you.

Still, 450hp/422tq at the wheels is nothing to sneeze at. It's a totally different car. I just know there's more to get out of that blower.
Reply
Old Jun 16, 2014 | 12:25 AM
  #147  
skydiven4fun's Avatar
skydiven4fun
Melting Slicks
 
Joined: Dec 2011
Posts: 2,234
Likes: 64
From: Gulf Coast Mississippi
St. Jude Donor '13-'14-'15
Default

Originally Posted by jmxp69
Thanks! It's been a fun couple of months. Thinking about what's next and I keep coming back to headers/x-pipe and perhaps cam.




Ya, when I realized just how stretched the top coupler was due to the fact the IC wasn't flat against the sheet metal, I called and spoke with Jesse @ A&A. He said the same thing--heat cycles would relax the fit some.

What revision head unit do you have?
My kit has been on the car for about 16 months now, can't remember much other than it was the latest example of their kit they (A&A) had at that time 'V-3-S-I, I imagine once you get the exhaust opened up you should pick up quite a bit more power, more so than a normal exhaust upgrade, your blower will be running much more efficient.
Enjoy the new power and keep us posted ok
Reply
Old Jun 16, 2014 | 01:39 PM
  #148  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Originally Posted by skydiven4fun
My kit has been on the car for about 16 months now, can't remember much other than it was the latest example of their kit they (A&A) had at that time 'V-3-S-I, I imagine once you get the exhaust opened up you should pick up quite a bit more power, more so than a normal exhaust upgrade, your blower will be running much more efficient.
Enjoy the new power and keep us posted ok
I have the v3Si too. I'm hoping the headers will push me over the 500hp mark. Only 50 to go. Tuner said I don't need to change the tune when I add the headers, so I'll probably run it over to the dyno after the headers are installed to see what difference they make.

Kooks long tubes/x-pipe on the way

Last edited by jmxp69; Jun 16, 2014 at 05:57 PM.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-1

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-2

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-3

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-4

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-5

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-6

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-7

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-8

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-9

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
Old Jun 16, 2014 | 02:40 PM
  #149  
tommypenguin's Avatar
tommypenguin
Drifting
10 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 2011
Posts: 1,599
Likes: 398
From: Boise, ID
2022 C5 of the Year Finalist - Modified
2021 C5 of the Year Finalist - Modified
C5 of Year Finalist (appearance mods) 2019
Default

Great thread, subscribed for the reference.
Reply
Old Jun 16, 2014 | 05:58 PM
  #150  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Also ordered a 3.5" pulley to reclaim some boost from header install.
Reply
Old Jun 16, 2014 | 06:12 PM
  #151  
rjwz28's Avatar
rjwz28
Safety Car
10 Year Member
 
Joined: Sep 2007
Posts: 4,168
Likes: 21
From: Sunniest city on Earth
Default

Originally Posted by jmxp69
Also ordered a 3.5" pulley to reclaim some boost from header install.


I meant to suggest that and forgot
Reply
Old Jun 16, 2014 | 07:09 PM
  #152  
Narco944's Avatar
Narco944
Burning Brakes
 
Joined: Dec 2013
Posts: 916
Likes: 3
From: Atlanta GA
Default

I can't imagine how much money you've thrown at this car since you bought it. I'm loving this.
Reply
Old Jun 17, 2014 | 01:51 AM
  #153  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Originally Posted by Narco944
I can't imagine how much money you've thrown at this car since you bought it. I'm loving this.
Lol, yeah, I've been thinking of taking up a collection. It hasn't been cheap and I still have more to do but the list is getting shorter.
Reply
Old Jun 19, 2014 | 07:09 PM
  #154  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default Moar Goodies On the Way

I'm having the headers/clutch installed together. The local speed shop discounted the clutch install if done at the same time as the headers. Stock clutch is not having fun with hard launches, so I figured no point in making more power if I can't put it down.

McLeod RXT - Sticking with stock flywheel (resurface). Check that, decided to go with McLeod Billet Steel Flywheel. Adding remote bleeder, new slave/pilot bearing.


Thought I'd hunt down a pic of the headers


3.48" Pulley is on the way too.


Still hunting cam/head/spring combos.

Last edited by jmxp69; Jun 20, 2014 at 06:18 PM.
Reply
Old Jun 19, 2014 | 07:17 PM
  #155  
skydiven4fun's Avatar
skydiven4fun
Melting Slicks
 
Joined: Dec 2011
Posts: 2,234
Likes: 64
From: Gulf Coast Mississippi
St. Jude Donor '13-'14-'15
Default

Originally Posted by jmxp69
I'm having the headers/clutch installed together. The local speed shop discounted the clutch install if done at the same time as the headers. Stock clutch is not having fun with hard launches, so I figured no point in making more power if I can't put it down.

McLeod RXT - Sticking with stock flywheel (resurface). Adding remote bleeder, new slave/pilot bearing.


Thought I'd hunt down a pic of the headers


3.48" Pulley is on the way too.


Still hunting cam/head/spring combos.

Call and talk to Stephen at Englandgreen, great guy that will be happy to give you some sound advice on everything you mentioned, you might end up saving some money on a few things as well, I'm still running stock heads with my cam set up, I almost changed them as well, but after talking to Stephen I changed my mind.
Anyway just thought I'd share that with ya,
Reply
Old Jun 19, 2014 | 07:20 PM
  #156  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Originally Posted by skydiven4fun
Call and talk to Stephen at Englandgreen, great guy that will be happy to give you some sound advice on everything you mentioned, you might end up saving some money on a few things as well, I'm still running stock heads with my cam set up, I almost changed them as well, but after talking to Stephen I changed my mind.
Anyway just thought I'd share that with ya,
You sticking with stock heads then?
Reply
Old Jun 19, 2014 | 07:26 PM
  #157  
skydiven4fun's Avatar
skydiven4fun
Melting Slicks
 
Joined: Dec 2011
Posts: 2,234
Likes: 64
From: Gulf Coast Mississippi
St. Jude Donor '13-'14-'15
Default

Originally Posted by jmxp69
You sticking with stock heads then?
I am, I'm making just under 650 RWHP and right at 550 TQ, Im content where I am, of course when we did the cam all the goodies that come with it were installed, oil pump, springs ect.
I might could massage a few more ponies out her, but for what I use my car for I'm cool. 650 is a lot of fun
Reply

Get notified of new replies

To My Mod Thread. CAUTION: Mod Bender Inside

Old Jun 19, 2014 | 07:29 PM
  #158  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Originally Posted by skydiven4fun
I am, I'm making just under 650 RWHP and right at 550 TQ, Im content where I am, of course when we did the cam all the goodies that come with it were installed, oil pump, springs ect.
I might could massage a few more ponies out her, but for what I use my car for I'm cool. 650 is a lot of fun
I bet. I'm at 450 right now and it's a hoot. Interesting...
Reply
Old Jun 20, 2014 | 02:48 PM
  #159  
EG@EnglandGreen's Avatar
0EG@EnglandGreen
Supporting Tuner
 
Joined: Sep 2004
Posts: 51,896
Likes: 39
From: ================== Houston, Texas www.englandgreen.com ================== Necessary Evil™ __________
CI 6-7-8-9-10 Veteran
St. Jude Donor '05-'06-'07-'08-'09-'10-'11-'12-'13-'14
Default

Clean installation.

Reply
Old Jun 28, 2014 | 12:23 AM
  #160  
jmxp69's Avatar
jmxp69
Thread Starter
Racer
 
Joined: Feb 2014
Posts: 416
Likes: 2
Default

Originally Posted by EG@EnglandGreen
Clean installation.

Thanks

Stealth:

Thanks for the mount. I've been wanting to solve this problem for a while, just never got to it. I'll install it sometime this weekend and post pics. Thanks for thinking of me.

Reply



All times are GMT -4. The time now is 09:14 AM.

story-0
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-1
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-2
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-3
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-4
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-5
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-6
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-7
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-8
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-9
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE