LS1 Performance
Thread Starter
Racer
Joined: May 2008
Posts: 298
Likes: 8
From: Quad Cities Iowa
LS1 Performance
I'm trying to put together a good "bang for the buck" list of mods for a weekend-street C5 (see below). Which items look like good investments and where would dollars be better spent? If all these were installed what kind of power and 1/4 mile would be likely?
Total
$4,268.65
Cold Air Intake
VaraRam Ram Air System
byunspeed
$254.99
LS6 Intake Manifold
Used from Ebay
$300.00 ?? (estimate)
Coolant Pipes & Plugs For LS6/LSX Intake
texas-speed
$58.99 (can ribs be ground down to avoid this?)
Cam & Heads Package
Precison Race Components Stg 1.0 LS6 Heads & Cam
texas-speed
$1,469.99
Tuning
Mail Order Custom Tune
eastcoastsupercharging
$200.00
160 Degree Thermostat
LPE 160 Degree Thermostat
byunspeed
$39.95
Long Tube Header and X-Pipe
OBX S.S. Headers 97-00 Chevrolet Corvette C5 (No Cats)
sparktecmotorsports
$645.73
4.10 IRS Rear Differential
DTE Built IRS Differentials
dynotech-eng
$1,299.00
Total
$4,268.65
Cold Air Intake
VaraRam Ram Air System
byunspeed
$254.99
LS6 Intake Manifold
Used from Ebay
$300.00 ?? (estimate)
Coolant Pipes & Plugs For LS6/LSX Intake
texas-speed
$58.99 (can ribs be ground down to avoid this?)
Cam & Heads Package
Precison Race Components Stg 1.0 LS6 Heads & Cam
texas-speed
$1,469.99
Tuning
Mail Order Custom Tune
eastcoastsupercharging
$200.00
160 Degree Thermostat
LPE 160 Degree Thermostat
byunspeed
$39.95
Long Tube Header and X-Pipe
OBX S.S. Headers 97-00 Chevrolet Corvette C5 (No Cats)
sparktecmotorsports
$645.73
4.10 IRS Rear Differential
DTE Built IRS Differentials
dynotech-eng
$1,299.00
Last edited by tb30570; Feb 26, 2010 at 01:00 AM.
Drifting
Joined: Aug 2009
Posts: 1,288
Likes: 2
From: Richmond Virginia
Cool idea but you can't have links to non-forum vendors on the forum.
My plan for my car is a Vararam intake (the intake you have listed would not be very efficient do a search on the forum and you will find lots of comparisons), B and b bullet exhaust, Long tube headers with high flow cats and x-pipe. Might go with a cam later. With the intake, cat back and headers with a good tune, low 12's are achieveable.
Forgot my car is an '02 so I already have an LS6 intake. Worthwile mod for sure.
As for gears, check your glove box or trunk compartments for a list of option codes, if you have G90 or G92 you have the 3.15 performance axle, if you do i would run that until it breaks.
My plan for my car is a Vararam intake (the intake you have listed would not be very efficient do a search on the forum and you will find lots of comparisons), B and b bullet exhaust, Long tube headers with high flow cats and x-pipe. Might go with a cam later. With the intake, cat back and headers with a good tune, low 12's are achieveable.
Forgot my car is an '02 so I already have an LS6 intake. Worthwile mod for sure.
As for gears, check your glove box or trunk compartments for a list of option codes, if you have G90 or G92 you have the 3.15 performance axle, if you do i would run that until it breaks.
Last edited by HowlinC5; Feb 26, 2010 at 12:00 AM.
Thread Starter
Racer
Joined: May 2008
Posts: 298
Likes: 8
From: Quad Cities Iowa
I did a search on the "MimoUSA" and it didn't come up with anything relevant.
Last edited by tb30570; Feb 26, 2010 at 12:11 AM.
Drifting
Joined: Aug 2009
Posts: 1,288
Likes: 2
From: Richmond Virginia
Sorry should have specified. I was referring to the cold air intake with the metal induction tube that will heat soak. Even if you don't go Vararam stick with something that is plastic not metal.
Drifting
Joined: Aug 2009
Posts: 1,288
Likes: 2
From: Richmond Virginia
Here ya go. http://forums.corvetteforum.com/c5-p..._-s-a-l-e.html
By the way we have an OBX dealer on the forum www.doubledmods.com C5BearsFan is his forum name.
By the way we have an OBX dealer on the forum www.doubledmods.com C5BearsFan is his forum name.
Thread Starter
Racer
Joined: May 2008
Posts: 298
Likes: 8
From: Quad Cities Iowa
I've heard from other people that cold air intakes look good on the dyno, but don't give real world performance because you lose ram-air at speed. Do you think cold air intakes are really effective?
Drifting
Joined: Aug 2009
Posts: 1,288
Likes: 2
From: Richmond Virginia
The plastic just doesn't get as hot as metal in a hot engine compartment. The Vararam intake actually shows little gain on a dyno according to the reading I've done, but gains more power the faster the vehicle is moving.
Here is a link to a discussion I started. http://forums.corvetteforum.com/c5-t...-vara-ram.html
Here is a link to a discussion I started. http://forums.corvetteforum.com/c5-t...-vara-ram.html
Last edited by HowlinC5; Feb 26, 2010 at 12:31 AM.
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Thread Starter
Racer
Joined: May 2008
Posts: 298
Likes: 8
From: Quad Cities Iowa
Here is a link to a discussion I started. http://forums.corvetteforum.com/c5-t...-vara-ram.html
Thread Starter
Racer
Joined: May 2008
Posts: 298
Likes: 8
From: Quad Cities Iowa
My car is in storage right now, so it'll be a while before I can look at codes. It came with the z51 Performance & Handling Package because it's a FRC, but I don't know about the axle. I do know that the gears are really high. It revs to about 1800 rpm at 80 mph.
Thread Starter
Racer
Joined: May 2008
Posts: 298
Likes: 8
From: Quad Cities Iowa
Tech Contributor
Joined: Jan 2007
Posts: 19,116
Likes: 1,038
From: Dyer, IN
I would think it would be exactly the opposite. A ram air intake(on the dyno) is not much different than any other cold air intake.
Thread Starter
Racer
Joined: May 2008
Posts: 298
Likes: 8
From: Quad Cities Iowa
Race Director
Joined: May 2004
Posts: 16,667
Likes: 1,206
From: Raleigh, NC
St. Jude Donor '15
Seems like a waste to me, no offense. None of those mods are going to get you much besides the heads/cam
Buy a used supercharger system or save another grand and buy a brand new one and you'll be so far ahead of where you would be with these mods..
Buy a used supercharger system or save another grand and buy a brand new one and you'll be so far ahead of where you would be with these mods..
Thread Starter
Racer
Joined: May 2008
Posts: 298
Likes: 8
From: Quad Cities Iowa
If the argument is valid, I think it would only apply to CAI's that don't connect to the ducts at the front of the car. The "VaraRam Ram Air System" looks like it does connect to the ducts at the front of the car so it probably gets some ram effect (hence the name I assume).
Drifting
Joined: Aug 2009
Posts: 1,288
Likes: 2
From: Richmond Virginia
The underside of the car has a "scoop" that is desingned to feed air to the filter area. So really any open filter CAI will give you the same effect. The faster you go the more air is forced into the filter area.
Drifting
Joined: Aug 2009
Posts: 1,288
Likes: 2
From: Richmond Virginia
No offense to you, but LS1's respond well to bolt on mods, and not everyone wants to run 10's