Engine torque braking good or bad
Thread Starter
Burning Brakes
Joined: Feb 2010
Posts: 825
Likes: 20
From: Laplata Maryland
Engine torque braking good or bad
Just finished up a HPDE at VIR, really took advantage of the new surface. I was faster then every, I did notice that my oil catch can would have to dumped before the last session of each day other wise it would have over flowed. I really ran my motor hard I have a EForce and my oil temps would get up to 300 then I would back off a little for a lap. But it has always done that just the oil catch can fill up faster then in the past. It was also the first time for using 15-50w oil as well. I'm just wondering while I'm trying to be speed racer will this heavy downshifting bring the end sooner.
Thread Starter
Burning Brakes
Joined: Feb 2010
Posts: 825
Likes: 20
From: Laplata Maryland
I'm thinking I should rely more on my brakes, they would be cheaper. The last few events I'm only using up 2 mm on each pad. I talk to a number of few drivers at the track and they go through a set of pads in a 2 day event. I've got 6 days on this set and probably another 2 days.
Thread Starter
Burning Brakes
Joined: Feb 2010
Posts: 825
Likes: 20
From: Laplata Maryland
15-50w is now the recommended for the new C7 when at the track. I talk to Mobil and they say there is no problem for the LS3 as long as Oil Temp is 200+ before tracking. And he add he encouraged the use for this purpose.
Drifting
Joined: Mar 2011
Posts: 1,448
Likes: 56
From: Bath NC
You need to learn to Rev-Match or you will wear the engine and or tranny/diff down sooner. Get good brakes and brake hard then rev match before releasing the clutch to save the engine. It's one of those things that's hard to learn on the road because the slow speeds don't allow you to brake as hard. Therefore, the brake pedal isn't close enough to the gas pedal. On the track it's hard because the pace is fast and there may be someone behind you that breaks the concentration. I heard one forum member say he learned how on a clover leaf of a big highway. He just kept going up and over and down and around until it was muscle memory.
Good Luck
Good Luck
Thread Starter
Burning Brakes
Joined: Feb 2010
Posts: 825
Likes: 20
From: Laplata Maryland
Believe me I'm a Blipper 5 grand plus every time. When I first started this toe heel I thought I would never be able to do it. Now it comes natural, only once this last two day event wasn't happy with one of my blips only because the guy it from of me decided to do a 360. But the brake I have are great (Carbotech) I just think I need to rely on them more then I do. I've been easy on brakes all my life street or track, but with the speeds I'm doing know I need them more.
Rabrooks have you been at VIR with the new surface, I have got some new lines and pickup several seconds since being there last year.
Rabrooks have you been at VIR with the new surface, I have got some new lines and pickup several seconds since being there last year.
Drifting
Joined: Mar 2011
Posts: 1,448
Likes: 56
From: Bath NC
Yes I have. It is wonderful. Plus I added T1 sways since my last visit, last November. So, with the new pavement and the new sways, wow.
Unfortunately, I made two laps of the very first session of the weekend and blew an engine. That killed my weekend. Fortunately, GM graciously gave me another one. Just to protect myself from the bean counters. I will be doing an oil sample every 1000 miles with this new engine. They're gonna get tired of replacing my engines sooner or later. This will be # 3 in the car. Fortunately for me, they discovered a Chromium Nitride treatment problem from the company coating the titanium rods in the 2013 engines. My car is an 09 but it had a new engine in it when it failed, less than 3k with a proper break in
I love my dealer and to the nay-sayers, I love GM. I have been blessed. I realize others can see this glass half empty. But I'm optimistic and I look for the good in all things. It seems to pay off.
Unfortunately, I made two laps of the very first session of the weekend and blew an engine. That killed my weekend. Fortunately, GM graciously gave me another one. Just to protect myself from the bean counters. I will be doing an oil sample every 1000 miles with this new engine. They're gonna get tired of replacing my engines sooner or later. This will be # 3 in the car. Fortunately for me, they discovered a Chromium Nitride treatment problem from the company coating the titanium rods in the 2013 engines. My car is an 09 but it had a new engine in it when it failed, less than 3k with a proper break in
I love my dealer and to the nay-sayers, I love GM. I have been blessed. I realize others can see this glass half empty. But I'm optimistic and I look for the good in all things. It seems to pay off.
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Thread Starter
Burning Brakes
Joined: Feb 2010
Posts: 825
Likes: 20
From: Laplata Maryland
I was thinking of adding sways but using street tire PSS, I was leaning toward Hotchkis, but if if I had R-tire I would do T1
I take my 08 C6/Z51 to the track, but I have a 2012 Z06. Should I be worried of any issues with my LS7. I have 3000 miles on it and it's never been on the track. But you never know when if call on (Hot backup)
They're gonna get tired of replacing my engines sooner or later. This will be # 3 in the car. Fortunately for me, they discovered a Chromium Nitride treatment problem from the company coating the titanium rods in the 2013 engines. My car is an 09 but it had a new engine in it when it failed, less than 3k with a proper break in
Thread Starter
Burning Brakes
Joined: Feb 2010
Posts: 825
Likes: 20
From: Laplata Maryland
I was reading an article about all the the upgrade they did to the LS7 that they install in the new Z28. I wonder if there's a Z06 and Z28 versions of the engines their producing currently.
One upgrade was the rods and piston are the same as what Corvette racing uses.
Drifting
Joined: Mar 2011
Posts: 1,448
Likes: 56
From: Bath NC
I was thinking of adding sways but using street tire PSS, I was leaning toward Hotchkis, but if if I had R-tire I would do T1
I take my 08 C6/Z51 to the track, but I have a 2012 Z06. Should I be worried of any issues with my LS7. I have 3000 miles on it and it's never been on the track. But you never know when if call on (Hot backup)
I take my 08 C6/Z51 to the track, but I have a 2012 Z06. Should I be worried of any issues with my LS7. I have 3000 miles on it and it's never been on the track. But you never know when if call on (Hot backup)
Race Director
Joined: Dec 2013
Posts: 12,502
Likes: 3,629
Do you have your lap data that you can post, Hence times from throttle to brakes, and back on throttle, and the G meter numbers to make sure that there is not a excess of free gliding times when you are not ether on the brakes, or on the throttle hard?
The brakes are more than enough to bring you down for any speeds hard, and just wondering if you are getting lazy trying to use engine breaking instead (at the cost of the motor).
The brakes are more than enough to bring you down for any speeds hard, and just wondering if you are getting lazy trying to use engine breaking instead (at the cost of the motor).
Le Mans Master
Joined: Jul 2005
Posts: 5,328
Likes: 405
This past VIR NCM HPDE I talked to a number of people who have had their LS7 replaced for one reason or another. One gentleman next door to me was on his third one as well, and left it home because he was still breaking it in.
I was reading an article about all the the upgrade they did to the LS7 that they install in the new Z28. I wonder if there's a Z06 and Z28 versions of the engines their producing currently.
One upgrade was the rods and piston are the same as what Corvette racing uses.
I was reading an article about all the the upgrade they did to the LS7 that they install in the new Z28. I wonder if there's a Z06 and Z28 versions of the engines their producing currently.
One upgrade was the rods and piston are the same as what Corvette racing uses.
Le Mans Master
Joined: Dec 2004
Posts: 5,492
Likes: 807
From: West coast CA
If you want to brake later, and harder, use the brakes. Downshifting is for selecting the gear you want to be in when you get on the power.