Et vs mph
Thread Starter
Instructor
Joined: Jul 2009
Posts: 179
Likes: 0
From: RPM Motor Sports Jersey/Delaware
Et vs mph
Ok Id like to give this a whirl, ET is more impressive to me, it means you can drive. Anyone can take a car that traps 140 and run 13 sec times with it. Not so Impressive. Thought I would start this thread to give Andrew/Spin a break. I cant wait to get into this. Airbus, relax bro.
Lets just have a disscussion. we may not all agree, but please everyone back up what you say if possible.
Thanks
Lets just have a disscussion. we may not all agree, but please everyone back up what you say if possible.
Thanks
Burning Brakes
Joined: Jul 2006
Posts: 1,230
Likes: 0
From: Sulphur LA
some of us (who haven't gotten gears/converter or tranny tune) have to rely on trap speeds for bragging rights.
My 07 A6 PB is 12.00 @ 120 on slicks. The only driver that would make a difference here would be a lighter one!!!
which is why my wife is faster
My 07 A6 PB is 12.00 @ 120 on slicks. The only driver that would make a difference here would be a lighter one!!!
which is why my wife is faster
Le Mans Master
Joined: Oct 2007
Posts: 6,149
Likes: 11
From: Greater Detroit Metro MI, when I'm not travelling.
My 2 cents worth:
ET doesn't mean you can drive nearly as much as it means your car sucks to drive on the street... All the things that help a car launch: Soft drag tires, removed front swaybar, soft front shocks, drag shocks, high stall torque converters, etc will result in a car that can't turn to save its own life and is generally unenjoyable to drive on the street.
So when looking at a car that is set up for something other than just going in a straight line, I think MPH is the more relevant factor...
ET doesn't mean you can drive nearly as much as it means your car sucks to drive on the street... All the things that help a car launch: Soft drag tires, removed front swaybar, soft front shocks, drag shocks, high stall torque converters, etc will result in a car that can't turn to save its own life and is generally unenjoyable to drive on the street.
So when looking at a car that is set up for something other than just going in a straight line, I think MPH is the more relevant factor...
Safety Car
Joined: Nov 2007
Posts: 4,537
Likes: 1,404
From: Bethesda MD
I don't think it is an either/or game. Both convey information useful in evaluating a set-up.
A little dramatic, don't you think?? 
Your R888's and bilsteins seem to help for ET and going around curves. High stall converters don't hurt the cars turning ability and can be fun on the street too. Squeezing the maximum from the car in any direction will always involve tradeoffs and compromises, so maybe if you are trying to be king of the hill, the compromises occur.
Your R888's and bilsteins seem to help for ET and going around curves. High stall converters don't hurt the cars turning ability and can be fun on the street too. Squeezing the maximum from the car in any direction will always involve tradeoffs and compromises, so maybe if you are trying to be king of the hill, the compromises occur.
Race Director
Joined: Mar 2005
Posts: 11,549
Likes: 27
From: Southampton NJ
My 2 cents worth:
ET doesn't mean you can drive nearly as much as it means your car sucks to drive on the street... All the things that help a car launch: Soft drag tires, removed front swaybar, soft front shocks, drag shocks, high stall torque converters, etc will result in a car that can't turn to save its own life and is generally unenjoyable to drive on the street.
So when looking at a car that is set up for something other than just going in a straight line, I think MPH is the more relevant factor...
ET doesn't mean you can drive nearly as much as it means your car sucks to drive on the street... All the things that help a car launch: Soft drag tires, removed front swaybar, soft front shocks, drag shocks, high stall torque converters, etc will result in a car that can't turn to save its own life and is generally unenjoyable to drive on the street.
So when looking at a car that is set up for something other than just going in a straight line, I think MPH is the more relevant factor...
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Thread Starter
Instructor
Joined: Jul 2009
Posts: 179
Likes: 0
From: RPM Motor Sports Jersey/Delaware
My 2 cents worth:
ET doesn't mean you can drive nearly as much as it means your car sucks to drive on the street... All the things that help a car launch: Soft drag tires, removed front swaybar, soft front shocks, drag shocks, high stall torque converters, etc will result in a car that can't turn to save its own life and is generally unenjoyable to drive on the street.
So when looking at a car that is set up for something other than just going in a straight line, I think MPH is the more relevant factor...
ET doesn't mean you can drive nearly as much as it means your car sucks to drive on the street... All the things that help a car launch: Soft drag tires, removed front swaybar, soft front shocks, drag shocks, high stall torque converters, etc will result in a car that can't turn to save its own life and is generally unenjoyable to drive on the street.
So when looking at a car that is set up for something other than just going in a straight line, I think MPH is the more relevant factor...
someone like Dennis50nj, Rob Z, etc. BUT if you cant drive you cant get the most out of your car period. I dont think those things would help a bad driver like it would a good driver. As far as MPH yes it tells the cars power potential to a point, if your spinning the tires off the rims, at your speedo reads 80mph at the 60 ft marker your MPH will be skewed at 10+ MPH as apposed to someone with DRs or full slicks
The better the 60ft usually the lower the MPH and better ET, not every case but most.
Race Director
Joined: Mar 2007
Posts: 11,331
Likes: 18
From: Missouri City Texas
This entire thread, in actuality, is pretty silly.
You dont target low ET or high MPH...you get both with a well setup car.
If you can get low ET but your mph is also low then your car ONLY has a strong launch, meaning it wont be a fun car to drive on the street because you can't ever launch like that.
You dont target low ET or high MPH...you get both with a well setup car.
If you can get low ET but your mph is also low then your car ONLY has a strong launch, meaning it wont be a fun car to drive on the street because you can't ever launch like that.
Thread Starter
Instructor
Joined: Jul 2009
Posts: 179
Likes: 0
From: RPM Motor Sports Jersey/Delaware
I don't think it is an either/or game. Both convey information useful in evaluating a set-up.
A little dramatic, don't you think?? Your R888's and bilsteins seem to help for ET and going around curves. High stall converters don't hurt the cars turning ability and can be fun on the street too. Squeezing the maximum from the car in any direction will always involve tradeoffs and compromises, so maybe if you are trying to be king of the hill, the compromises occur.
A little dramatic, don't you think??
Your R888's and bilsteins seem to help for ET and going around curves. High stall converters don't hurt the cars turning ability and can be fun on the street too. Squeezing the maximum from the car in any direction will always involve tradeoffs and compromises, so maybe if you are trying to be king of the hill, the compromises occur.
very good points
Le Mans Master
Joined: Aug 2004
Posts: 5,259
Likes: 16
From: Monroe Township New Jersey
St. Jude Donor '05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15-'16
St. Jude donor in memory of jpee '14
WHY 
The corvette was never built to be a drag racer. With that in mind we as individuals tailor our cars to the type of driving we enjoy
Some of us are into drag racing so these individuals try to optimize their suspension & etc for the quarter mile. Last time I checked the best ET won. Others are into autocrossing and road racing, so they optimize their cars to turn, stop and accelerate to decrease their lap times. Once again the fastest lap time wins. So if the fastest time wins in road racing, auto crossing and drag racing why are we having this discussion.
Ok flame away
The corvette was never built to be a drag racer. With that in mind we as individuals tailor our cars to the type of driving we enjoy
Some of us are into drag racing so these individuals try to optimize their suspension & etc for the quarter mile. Last time I checked the best ET won. Others are into autocrossing and road racing, so they optimize their cars to turn, stop and accelerate to decrease their lap times. Once again the fastest lap time wins. So if the fastest time wins in road racing, auto crossing and drag racing why are we having this discussion.
Ok flame away
Race Director
Joined: Mar 2007
Posts: 11,331
Likes: 18
From: Missouri City Texas
I dont think there was ever a question of which would win a race...just preference is the discussion I believe?
Who knows...this thread definitely shouldnt be in the tech/performance forum though.
Who knows...this thread definitely shouldnt be in the tech/performance forum though.
Race Director
Joined: Mar 2005
Posts: 11,549
Likes: 27
From: Southampton NJ
Thread Starter
Instructor
Joined: Jul 2009
Posts: 179
Likes: 0
From: RPM Motor Sports Jersey/Delaware
why not 
We are talking about performance?? ET or MPH.How is that not Performance???
You dont have to participate if you dont want to.
Race Director
Joined: Mar 2007
Posts: 11,331
Likes: 18
From: Missouri City Texas
You're just asking a question (although you never asked a question in your original post, so I wasnt quite clear on what you wanted answered) about if people prefer low ET or high MPH.
Race Director
Joined: Mar 2007
Posts: 11,331
Likes: 18
From: Missouri City Texas
On the street you tend to have roll-on races and the car with the higher mph (most power:weight ratio)will win 90% of the time.
Safety Car
Joined: Nov 2007
Posts: 4,537
Likes: 1,404
From: Bethesda MD