LG Motorsports

Hi guys,

Here are the final numbers after a tune. The tune process with the beta version is a little cumbersome still but it works fine.

The graph is SAE corrected at: 554.4 rwhp 516.2 rwtq

The graph is also a before and after based on the base line numbers as delivered.

We are really proud of the torque at 3000 rpms (439rwtq). That will be a number to beat. 439rwtq at 3000 rpms. Keep that one in mind.

This car is owned by the Tim K of RedLine Oil Co. It has LG Pro Long Tube headers, and an LG Motorsports G7X-2 cam.

We installed new forged pistons and did some minor cyl head work. No port work just a clean up. The car also has a double disc Excedy clutch. The dyno runs were also done with the air filter removed but a cold air induction will follow as soon as one is available.

The Car now has just over 115 miles on it.

We were able to tune out the Torque management and launch tables so it feels even faster.

At any rate, the car will Leave LGM next week for the Bay area in California.

Thanks
Lou Gigliotti

rmitchell242

lookin good

TetraU

Look great! Luo.

Are you able to show the difference in hp/tq for before and after tune.

LG Motorsports

The tune picked up about 10rwhp. The seat of the pants gain came from the torque management..

Thanks

LG

Webfoot

Lou, what do you think the numbers would look like without the cam change? And Jim Hall has said he wouldn't advise programming out torque management unless at least the half shafts were beefed up. What do you think on that?

LG Motorsports

Without the cam change, we would expect to see 480+ and with a cold air induction it may be more. Still not sure.

There have been several Z06s taken to the road race tracks around here with big hp and no issues.

There were some very early production vin numbers that had smaller half shafts. They were all upgraded. the output shafts in the diff are a different story. If the cars are drag raced, they might be suspect.

This diff is larger than the C5 and C6 though.

Once you are out of first gear, the issue goes away becsuse of less torque multiplication from the transmission.

LG

Webfoot

I was thinking you might see 500 RWHP, or a little more, with LT headers and tune. Weren't you getting just under 500 with headers and no tune?

jbsblownc5

Very nice #s Lou!!!

JB

LG Motorsports

Thanks JB,
Are you coming to Willow springs next weekend? the 3rd 4th and 5th.

go to www.theperformancedrivingschool.com to check out the dates.


As for 500rwhp with just headers and a tune, IT will be close. It could happen but without some bolt ons, it will be hard but not impossible.

Thanks
Lou G

jbsblownc5

I'm heading to Willow this Sunday, and Just looked at this deal. I'm supposed to take the wife out of town for That weekend, but who knows, now I might bump her back a week!!!
JB

EuG

Great numbers!

Why did you change the pistons? Still 11:1 CR?
Also is the dyno with filter in or out? Cats or not cats?

Either way, impressive.
Where’re the Viper guys who said LS7 is maxed out from victory LMAO!

Verrückt

I would guess he has bigger plans which probably wouldn't jive well with the cast pistons.

Zlicious

Who thinks this car will hit 500 rwhp with just bolt ons?

Headers, high flow cats, exhaust, cai, and a tune!

500 you say?

LG Motorsports

That was it exactly.
The customer wanted to leave the door open for a forced induction at a later date.

The new pistons only have 2 valve reliefs, instead of 4 like the stock pistons, so there is about a 1cc or so difference in compression so it has about 11.25 compression.

The dyno is WITH cats installed, but the filter out. We are still waiting for a good Cold Air induction.



thanks
Lou Gigliotti LGM

EuG

I hope FI at later date is Nitrous, 'cuase CR is way too high for anything else.
That one bad *** Z that will terrorize local streets, no doubt!
Thanks!

Verrückt

Nah, you'd be surprised what can be done with modern engine management and knock sensors.

Audi S4 V8's with 11:1 compression have a number of blower kits coming out or already out with 500+ hp.

The RS4 V8 with 12.5:1 compression has kits under development.

I bet a mild setup will be possible on stock compression ratio (although not with Cali craptane).

The best gains (duh) will be seen by a drop of the CR, as you were referring to.

LG Motorsports

My guys changes cylinder heads like some people change spark plugs

We can give him any set up he wants later

Thanks
Lou G

EuG

I don’t wanna go on a tangent off this thread, but that’s just a stupid thing to do.
I realize they’re kits (they’re kits for Vettes as well), but it’s only because manufacturers of those kits want to make money.

If you wanna run boost on pump gas you gotta drop CR.
The only people who don’t do that are ones who can’t afford to do it right (they usually spend 3x as much rebuilding the motor shortly down the road)

Anyway, sorry for hijack, back to the topic

cbgpe

Did you do any pulls starting at 2000 rpm?
I wonder how much if any torque lost at the very bottom
Nice work BTW Congratulations

LG Motorsports

THe torque at the bottom end at 2000 was just as large as 3000. That is the benefit of our LG headers. BIG torque at low rpms without losing any to speak of at the top, and in most cases, we still beat the top numbers also.

The power is so nice driving on the street. It makes you want to stop for yellow lights, just so you can take off again.

LG