Street Racing & Kill Stories Basic Technical Questions & Advice

Mach at the track

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Old 04-23-2013, 09:32 AM
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Originally Posted by Quickshift_C5
WTF is going on in here?

Some random facts:

1. LS6 motor can easily make 800rwhp with 16-18lbs of boost, if you have the right supercharger.
I suggest you go back and re-read!

The debate isn't about if the LS6 can make 800whp with 16-18#, but wether can it do it with a 2.3L blower and stock long block. The answer is No.
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Old 04-23-2013, 09:37 AM
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Originally Posted by Cammed 02
I suggest you go back and re-read!

The debate isn't about if the LS6 can make 800whp with 16-18#, but wether can it do it with a 2.3L blower and stock long block. The answer is No.
I'm going to have to agree with you. Sure a bone stock block could handle a couple pulls, but it's just a ticking time bomb waiting to blow. Most everyone that runs a stock bottom end at least will put in some arp head studs and rod bolts so it no longer is truly a stock longblock.
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Old 04-23-2013, 10:05 AM
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Originally Posted by Cammed 02
I suggest you go back and re-read!

The debate isn't about if the LS6 can make 800whp with 16-18#, but wether can it do it with a 2.3L blower and stock long block. The answer is No.
Yes to the stock long block. Reliability is up for discussion. Some last a while, some don't. YMMV. Get it done with a proper tuner and don't drive around everywhere like a raging hamfisted baboon.

No idea on the 2.3L.
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Old 04-23-2013, 10:06 AM
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Originally Posted by Heater
Honestly it would be very interesting to see a same sized LS engine and mod motor both boosted equally to see which one would make more power.
Same displacement, same compression, same boost, the mod motor will make more power.
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Old 04-23-2013, 10:16 AM
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Originally Posted by assasinator
i think a fair comparison is a 2013 GT500 engine vs a Ls1/ls6 is fair. same cubic inches roughly. surely with and otherwise stock long block as LS1/LS6 can make 662 stock hp. it just needs a blower.

be nice if someone upgraded rods/pistons ONLY in a ls1/ls6 and added boost.


who here thinks a boosted stock ls6 will make more power than a LSA?
The 6.2l in the ZL1 only makes 580hp. The GT500 is doing 82 more hp with less cubes. At equal boost levels I don't believe the 6.2 will make equal power.
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Old 04-23-2013, 10:55 AM
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Originally Posted by Heater
I'm on another website that has two races a year. It's some of the fastest street cars in NC that show up (SC, TN, and Va also), it's called Dragging Rights. There are several guys on there that are heavy into photography that take pictures of the cars. That picture was taken by one of them at Fayetteville Dragging Rights a couple of years ago.

If you ever decide to leave your local tracks and come race with us at a Dragging Rights, I'm sure that you will get some high quality shots of your car.


I didn't mean to ignore your question, I was going to respond to it when I got home and post a few more pictures from a couple of past Dragging Rights.
Let me know when they are doing it next. I'll see if I can get a few guys together to go. The thing that sucks is most to go there go down to Columbia and then up to Fayetteville.
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Old 04-23-2013, 11:03 AM
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Originally Posted by Poppacapp
The 6.2l in the ZL1 only makes 580hp. The GT500 is doing 82 more hp with less cubes. At equal boost levels I don't believe the 6.2 will make equal power.
Zl1 has a smaller blower than the gt500 but the zr1 still makes less than the gt500
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Old 04-23-2013, 11:09 AM
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Originally Posted by Poppacapp
The 6.2l in the ZL1 only makes 580hp. The GT500 is doing 82 more hp with less cubes. At equal boost levels I don't believe the 6.2 will make equal power.
A few things to consider though. The 6.2L LSA uses the 1.9L blower at 9lbs, GT500 the larger 2.3 Eaton @ a whopping 15lbs. Huge difference.
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Old 04-23-2013, 11:09 AM
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Originally Posted by Heater
Honestly it would be very interesting to see a same sized LS engine and mod motor both boosted equally to see which one would make more power.
The mod motor should make more power. Than again compare the 5.4 mod motor to a 5.3 ls
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Old 04-23-2013, 11:11 AM
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Originally Posted by Theblacknightls1
Zl1 has a smaller blower than the gt500 but the zr1 still makes less than the gt500
ZR1 is only pushing 9.5lbs of boost compared to 15 for the GT500. lol
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Old 04-23-2013, 11:16 AM
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I can say my 5.0 modular forged motor would make near 700whp on 10 psi through a novi 2200. Thats with the boss intake. Prob hit 700 with the cobra jet. My motor is also 11:1 and makes a good bit of power without boost. With the exception of the ls7... i dont think any stock longblock would make that power on 10lbs. Unless its turbo...but i too would make more with a turbo setup.
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Old 04-23-2013, 11:18 AM
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Originally Posted by Cammed 02
ZR1 is only pushing 9.5lbs of boost compared to 15 for the GT500. lol
If that's the case zr1 would be easily over 650whp with the same amount of boost as the gt500
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Old 04-23-2013, 11:25 AM
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Originally Posted by evangto87
I can say my 5.0 modular forged motor would make near 700whp on 10 psi through a novi 2200. Thats with the boss intake. Prob hit 700 with the cobra jet. My motor is also 11:1 and makes a good bit of power without boost. With the exception of the ls7... i dont think any stock longblock would make that power on 10lbs. Unless its turbo...but i too would make more with a turbo setup.
Not sure with 10lbs, but I do know of a LS3 with a YSi that made 800rwhp on 14#, stock long block sans blower cam. That was with the belt slipping above 6500rpm too.
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Old 04-23-2013, 11:29 AM
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Originally Posted by Cammed 02
Not sure with 10lbs, but I do know of a LS3 with a YSi that made 800rwhp on 14#, stock long block sans blower cam. That was with the belt slipping above 6500rpm too.
thats cammed with 4 extra lbs lol. Id be curious to see a stock longblock ls3 on 10psi and what it would make
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Old 04-23-2013, 11:35 AM
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Originally Posted by evangto87
thats cammed with 4 extra lbs lol. Id be curious to see a stock longblock ls3 on 10psi and what it would make
Ls9 lol
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Old 04-23-2013, 11:39 AM
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Originally Posted by evangto87
thats cammed with 4 extra lbs lol. Id be curious to see a stock longblock ls3 on 10psi and what it would make
Can't find any apples to apple's comparison, but if I had to guess, I'd say that same LS3 minus the cam and on 10lbs would probably put out roughly in the mid to high 6XX range, right where your car would be.
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Old 04-23-2013, 12:02 PM
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Originally Posted by Stopsign32v
Let me know when they are doing it next. I'll see if I can get a few guys together to go. The thing that sucks is most to go there go down to Columbia and then up to Fayetteville.


The next one is in June at Piedmont. It will be the first one at a 1/8 mile track and the first one that far north. In the past they have been at Fayetteville and at Rockingham, which up until this year everybody has been cool with, but this past Dragging Rights at Rockingham the track sucked and it was like the people running the track didn't care to try and make it better. Piedmont is supposed to be a great hooking track, so they decided to try them out and see how it works with it being a 1/8 mile track. Some have said that they aren't going to the next one because it's only 1/8 mile, so I suspect attendance will be down.

If that's too far or you don't like 1/8th mile, they will more than likely have the fall Dragging Rights at Fayetteville.
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Old 04-23-2013, 12:03 PM
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Originally Posted by Theblacknightls1
Ls9 lol
touche!
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Old 04-23-2013, 12:24 PM
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These augments are getting ridiculous. There is more to the story than peak hp and boost pressure alone. Air volume, timing, fuel, dyno curve, lag, drivetrain lose, reliability, drivability. Sure you can run both cars with some similarities, but there are still many variables that make these types of comparisons difficult to draw judgment especially when you got some glory dyno numbers thrown around without detail surrounding those variables that make a street driven car.

At the end of the day a modular ford and a pushrod gm can make great power when boost is done right.......and talking about crate ls6's is gay.
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Old 04-23-2013, 12:28 PM
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what does a zr1 make for power with full exhaust, intake, tune? Stock sized pulley
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