whats the best LS3 cam ?
Engine,
Double row timing chain
Hardened pushrods
Valve springs & retainers
90mm throttle body
Ram Jet OTRCAI
WA Performance MAFLESS tune
25% under drive
1 7/8" into 3" headers
3" section to 3" cats
Twin 2 1/2" exhaust system
Gearbox,
Stock 4L60E
Allfast 9 1/2" convertor
Diff,
4.1:1 diff gears
Wheels
Stock 18" x 8"
Tyres
Front 225/40/18
Rear 265/40/18 Mickey Thompson
As it is sitting on the rev limiter some 40 yards before the line I am looking at trying 274/45/18 M&H tyres soon.
The last pass I made I let the car shift into 4th gear which lifted the speed up from previous 120.xxmph to a little over 121mph so it may have enough power to use the taller tyre.
Double row timing chain
Hardened pushrods
Valve springs & retainers
90mm throttle body
Ram Jet OTRCAI
WA Performance MAFLESS tune
25% under drive
1 7/8" into 3" headers
3" section to 3" cats
Twin 2 1/2" exhaust system
Gearbox,
Stock 4L60E
Allfast 9 1/2" convertor
Diff,
4.1:1 diff gears
Wheels
Stock 18" x 8"
Tyres
Front 225/40/18
Rear 265/40/18 Mickey Thompson
As it is sitting on the rev limiter some 40 yards before the line I am looking at trying 274/45/18 M&H tyres soon.
The last pass I made I let the car shift into 4th gear which lifted the speed up from previous 120.xxmph to a little over 121mph so it may have enough power to use the taller tyre.
We have had great success with our 231/236 Camshaft. We have had plenty of guys call us up with excellent numbers and times, so hopefully some of them will chime in!
Here is a link to it on our webpage:
http://www.texas-speed.com/p-79-texa...-camshaft.aspx
Here is a link to it on our webpage:
http://www.texas-speed.com/p-79-texa...-camshaft.aspx
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TECH Regular
Joined: May 2011
Posts: 433
Likes: 1
TECH Regular
Joined: May 2011
Posts: 433
Likes: 1
TECH Regular
Joined: May 2011
Posts: 433
Likes: 1
This same converter with the LS3 is stalling to at least 4,500rpm.
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We have had great success with our 231/236 Camshaft. We have had plenty of guys call us up with excellent numbers and times, so hopefully some of them will chime in!
Here is a link to it on our webpage:
http://www.texas-speed.com/p-79-texa...-camshaft.aspx
Here is a link to it on our webpage:
http://www.texas-speed.com/p-79-texa...-camshaft.aspx
Last edited by C5natie; Aug 10, 2012 at 08:31 PM.
I know you don't want to blow your motor, but we have a stock '99 ls1 shortblock in a car spinning to 7400 on the bottle and has been doing this since 2003 and is a street driver. So upping a few rpms isn't going to hurt.
I've changed the setup since then but yeah with the filter.
TECH Regular
Joined: May 2011
Posts: 433
Likes: 1
The old LS1 that I sold out of our car last year had the limiter set at 6,950rpm, the new owner went circuit racing with it and broke number 6 rod with a lower limiter.
A good friends GTO with a LS3 headed LS2 also broke a rod earlier this year with the limiter set at 7,200rpm.
Main reason for not lifting the limiter though is that the current combo is already flatlining.
i went with the lg g6x3 and i love it , it pulls hard from around 4800 up, it dont like anything around 1500 and under tho , but its not hard to drive at all , i have a stick tho, these cams make alot of power. lots have made 500 rwhp with this cam without heads, mine made 471 in 102 degree temp and i just have headers , tune and c.a.i . i love it sound nasty too.
its a 111 lsa tho some ppl dont care much for that
its a 111 lsa tho some ppl dont care much for that
I really enjoyed the g6x3 but it was not designed for ls3 heads it was designed for a LS2 and does not have the huge exhaust duration split that ls3 heads like. I did like it and it drove good and put down over 500hp but a failed lifter took it out and im not prepared to pay 620 bucks for a cam when I got a custom grind for 400 thats 220 bucks that can get me the lifter I need and pushrods if I end up needing them and give me a whole lot more power
