Should I expect a big difference?
Thread Starter
Pro
Joined: Apr 2003
Posts: 697
Likes: 16
From: Antioch Calif.
Should I expect a big difference?
My LT4 is at Race Street Rally for some repairs & upgrades.
Hypertech tune w/160 therm
Replace 2 o-ring seals for injectors ( he said they were sucking air)
Maybe 4:10's ( depending on cost)
Should there be a notable difference?
What would one expect for 0-60 & the quarter with these mod's?
Hypertech tune w/160 therm
Replace 2 o-ring seals for injectors ( he said they were sucking air)
Maybe 4:10's ( depending on cost)
Should there be a notable difference?
What would one expect for 0-60 & the quarter with these mod's?
Instructor
Joined: Feb 2008
Posts: 144
Likes: 0
Ive heard the same about the hypertech as far is it making cars slower. I read while researching it for myself that it actually slowed the car a full second in the 1/4. I would be shocked if it slowed it that much, but consistent reports from owners saying it is slower scared me away.
As for the o-rings, Ive seen them dry and in need of replacement, but not sucking in air to the point that there is a significant power loss. To me that sounds more like a maintenance action.
Now the 4.10s...yes, you will feel that off the line. To me changing a rear gear can show a huge difference form many other mods. Be careful though, too low of a gear and it can slow you in the 1/4 while making you faster in the 1/8th. This is because it allows the engine to reach max rpm more quickly with regards to wheel speed. Just my .02
As for the o-rings, Ive seen them dry and in need of replacement, but not sucking in air to the point that there is a significant power loss. To me that sounds more like a maintenance action.
Now the 4.10s...yes, you will feel that off the line. To me changing a rear gear can show a huge difference form many other mods. Be careful though, too low of a gear and it can slow you in the 1/4 while making you faster in the 1/8th. This is because it allows the engine to reach max rpm more quickly with regards to wheel speed. Just my .02
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Le Mans Master
Joined: Dec 2002
Posts: 5,270
Likes: 3
From: Seattle Area WA
Things like maintenance are never a waste of money especially considering FI o-rings are one of the most commonly passed over things in the car and you rarely have good access to them (well most people, not me :wily: ). Sadly as for the hypertech...
Safety Car
Joined: Sep 2003
Posts: 3,692
Likes: 5
From: Hayward CA
Hypertech / 160 stat = waste
better?
Team Owner
Joined: Feb 2006
Posts: 24,460
Likes: 7
From: sw Ohio
Replacing the O-rings is a must. If you dont you risk setting the whole care on fire. I had one break on my fuel rail and luckily shut the car off because it caught fire. It'll leak down onto the exhaust and boom!
Race Director
Joined: Oct 2005
Posts: 11,772
Likes: 177
From: Rolla Missouri
2021 C4 of the Year - Unmodified Finalist
St. Jude Donor '10 thru '25
The '96 does not use a chip.
You re-flash the computer with a programmer.
If your going to use the Hypertech, that device will store your stock program while it uploads the new Hypertech program to your computer.
If you don't like the outcome, you just plug it back in and return your settings to stock. So, don't lose or sell the programmer. You will need it if you decide to go back to stock.
You re-flash the computer with a programmer.
If your going to use the Hypertech, that device will store your stock program while it uploads the new Hypertech program to your computer.
If you don't like the outcome, you just plug it back in and return your settings to stock. So, don't lose or sell the programmer. You will need it if you decide to go back to stock.
Melting Slicks
Joined: Jul 2004
Posts: 2,695
Likes: 0
From: Chicago Illinois
4.10 and the LT4 are like best friends. With that mod alone you have the potential to see mid 12s if your good with manual. I think your car stock is low to mid 13sec stock. I love the 160 stat. Engine temp stays around 180 to 200. I swear my car felt sluggish with stock stat engine temps seeing up to 230. Thats my opinion and opinions vary here on that item.
Team Owner
Joined: Nov 1999
Posts: 32,782
Likes: 11
From: Former NCM Drag Racing coordinator, National director Corvette Challenge Spring Hill, Tennessee: Whiting, New Jersey
Cruise-In VI Veteran
Cruise-In VII Veteran
My LT1 was faster with the Hypertech, I thought for an almost stock motor it worked real good.
Yes 4.10's is the correct gear.
Yes 4.10's is the correct gear.
Team Owner
Joined: Nov 1999
Posts: 32,782
Likes: 11
From: Former NCM Drag Racing coordinator, National director Corvette Challenge Spring Hill, Tennessee: Whiting, New Jersey
Cruise-In VI Veteran
Cruise-In VII Veteran
The '96 does not use a chip.
You re-flash the computer with a programmer.
If your going to use the Hypertech, that device will store your stock program while it uploads the new Hypertech program to your computer.
If you don't like the outcome, you just plug it back in and return your settings to stock. So, don't lose or sell the programmer. You will need it if you decide to go back to stock.
You re-flash the computer with a programmer.
If your going to use the Hypertech, that device will store your stock program while it uploads the new Hypertech program to your computer.
If you don't like the outcome, you just plug it back in and return your settings to stock. So, don't lose or sell the programmer. You will need it if you decide to go back to stock.
with all that.
Melting Slicks
Joined: Dec 2004
Posts: 2,954
Likes: 2
From: Obama=death for America
Have you given any thought to a 3.73 over a 4.10? You'll be able to shift a tad later, save a little mpg, rev lower, save a little wear and tear on the motor and have a higher top speed. In my opinion, 3.73 is the best gear if you're going to do a gear change.