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Cammed L67 vs Cammed LS1



GeosGP said:
Well, being that I've had not one but two 2000 F-bodies, both pretty heavily modded (my WS6 had both a head/cammed LS2 and the M12 that came from an 05 GTO), have tuned a couple vehicles, it just so happens that I might know a thing or two about LS1 cars. But yeah, you go ahead and keep making bad assumptions. You seem pretty competent at it.

Here's a pretty good piece of advice for you; don't assume that most guys on here have just graduated high school, know virtually nothing about cars, and think the 3800 platform is God's gift to mankind. You look like an idiot.
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Don't sweat it, man. He is just butthurt because a raspy little V-6 kept up with God's engine. A MODDED God's engine at that.
 
VerzGTP said:
Don't sweat it, man. He is just butthurt because a raspy little V-6 kept up with God's engine. A MODDED God's engine at that.
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To be fair. You'd probably have to be intercooled and turbo'd to walk that car. But none the less good job :-) Btw stop fighting like little school girls! Always going to be someone faster than you lol.

Sent from my Droid Razr using Tapatalk
 
WOTFTW said:
This man is full of win.

and yes slowpoke. i have it out for you
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You sir, are full of win. Our screen names undrstand each other.





and LSx cars are slow. Once my turbo kit is on, I'll be taking all of them to brawl town, with me as their tour guide. RUN AND TELL THAT.
























Mother****ers.
 
There's a bit of misinformation being thrown around in this thread about LS motors and how they respond to mods. I've been around and involved in many LSx builds over the past 5 or 6 years and I can comment on how they respond.

Depending on the cam (I thought I saw someone mention tqr v2) and supporting mods (intake/headers with stock heads) the car will still pick up huge without a tune. Routinely we baseline the car on the factory tune with these mods and if IIRC, the tqr v2 cars all seemed to make 350-370whp on LS1 heads and LS1 intake (Slightly more with an LS6 intake, and a +15-20 with LS6 heads) BEFORE the tune.

The tune would be more focused on getting the car to idle better and give it driving characteristics that you could live with on the street. Actual power gained from the tune was typically 15-20whp, with a little extra in the mid range. The only real issue would be if the person swapped MAF's or injectors, but there's no reason for that on a cam only car, and besides the car would barely run, if run at all. By no means is a bolt on and cammed LS1 handicapped as it should still whoop ass on an S1x/3.4 car that would make 260-270whp on the same dyno that the LS1 makes 350-370.

Because of the awful gearing in our cars, we need a substantially better weight/power ratio to beat 6spd anythings, especially from a roll. This race was clearly driver error.
 


SnowFlake said:
There's a bit of misinformation being thrown around in this thread about LS motors and how they respond to mods. I've been around and involved in many LSx builds over the past 5 or 6 years and I can comment on how they respond.

Depending on the cam (I thought I saw someone mention tqr v2) and supporting mods (intake/headers with stock heads) the car will still pick up huge without a tune. Routinely we baseline the car on the factory tune with these mods and if IIRC, the tqr v2 cars all seemed to make 350-370whp on LS1 heads and LS1 intake (Slightly more with an LS6 intake, and a +15-20 with LS6 heads) BEFORE the tune.

The tune would be more focused on getting the car to idle better and give it driving characteristics that you could live with on the street. Actual power gained from the tune was typically 15-20whp, with a little extra in the mid range. The only real issue would be if the person swapped MAF's or injectors, but there's no reason for that on a cam only car, and besides the car would barely run, if run at all. By no means is a bolt on and cammed LS1 handicapped as it should still whoop ass on an S1x/3.4 car that would make 260-270whp on the same dyno that the LS1 makes 350-370.

Because of the awful gearing in our cars, we need a substantially better weight/power ratio to beat 6spd anythings, especially from a roll. This race was clearly driver error.
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I approve of this message. :thumbup:
 
Now that I think about it, the guy did say something about how he was only shifting around 6k rpm's. I'm sure that probably hindered his performance a bit. My car has stock shift points too though (5900-6000). Regardless of whether he was driving his car to it's potential or if it was running to it's potential. He was surprised as hell that I kept up as well as I did. And that made my day. I never said anywhere where my GTP be able to beat cammed LS1's.
 


As far as I'm concerned all performance shift did was bump up the line pressure.

I never saw higher shift points until it was actually tuned into the PCM.
 


Ive got mine tuned to shift at 5k normal and at 6k perf sh1t. It does have different tables for each mode on my gtp at least, not sure about the one in question.
 
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