2018 MENCS Rules released

No major changes. Because this season's racing has been spectacular...

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FLRacingFan said:
During the summer they said they'll probably do that with Gen-7. Just ripping it off entirely right now would probably screw the balance of the car big time. Easier to get rid of it when developing an entirely new car from the ground up.
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@FLRacingFan you make sense. Thanks for being here with all of your knowledge.
 
Basically a holding pattern for 2018. IMO, the next big step should be a major reduction of side force, which probably will come with wholesale aerodynamic changes... hopefully including fully symmetric shape and finally getting a handle on rear skew???

“As we move to the next generation at-track inspection we’ve had engagement with the teams,” Stefanyshyn said. “What do we officiate, to what kind of tolerance? The teams and OEMs have given us a lot of input. They want us to bring that in tighter. As we do that there will be some more aerodynamics that will come off the car.”

In addition to the 100-120 pounds that will be gone with the common radiator and splitter changes, another 150 or so “is coming off due to the new officiating process and the tolerances we’ve agreed to,” he said.
 
Can someone please elaborate on the rule about the sealed engine and how it compares to the current rules?
 
UpNorth said:
Can someone please elaborate on the rule about the sealed engine and how it compares to the current rules?
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they can re do an engine after each race now. The sealed rules make them re use the entire engine other than some high use parts a few races.
 
UpNorth said:
Can someone please elaborate on the rule about the sealed engine and how it compares to the current rules?
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they are going to run the engine for two races. As it is, they use a new engine every race. The "sealed" part are markings, etc. that assure the block is not only tampered with, and is used twice. They can change the valve springs.
 
"The single engine rule will be enforced at all events, INCLUDING THE DAYTONA 500."
That's the one that caught my eye. Does that include all practices, qualifying, and the Duels?
 
Thanks for the replies guys.

Another question, do they have to declare which races will be using a previously ran engine before the season starts or can they go week by week?
 
LewTheShoe said:
This surprises me...

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Considering the reaction that race got, they must have done some tests with the aero ducts and found that they react wildly differently with the rest of the car between body styles. Of course, that would imply that the aero the cars are generating in their current forms already differs.

At least, that is how I'm reading it. That race was a bit of a hit for them to not consider implementing it in Cup.
 
I wonder if we are going to see the return of squatters at the plate tracks now with the elimination of mandated springs/shocks for the rear
 
Backup vehicles must be unloaded without an engine ............ no more getting a backup ready in 30 minutes
 
jws926 said:
Yes, @FLRacingFan is correct, it does in deed apply to for the Daytona 500
The single-engine rule will now include the Daytona 500, i.e. teams will no longer be allowed to change engines following the Duel qualifying races and before the Daytona 500. The same engine must be used throughout Speedweeks.
http://www.racer.com/nascar/item/143926-nascar-begins-engine-rule-updates-for-2018
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Thanks!
kyle18fan said:
There will be lots of good drivers starting at the rear then
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Hey, if we all change engines, what order do we start in? :p
 
kyle18fan said:
Backup vehicles must be unloaded without an engine ............ no more getting a backup ready in 30 minutes
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Yeah, I suspect that's to keep teams from getting around the sealed engine rules.

"Hey, we unloaded with a sealed engine but we scraped the wall. We had no choice but to go to the fresh engine in the backup car!"
"Nope, sorry boys."

I assume this means they'll have to take the engine out of the primary, not just roll a spare off the hauler.
 
I would think if a car is wrecked in the front to the extent the engine is also damaged
they would be allowed to use a back up engine. After all NASCAR is NOT going to disqualify
their favorites.
 
like the crash cart removal, the engine rule, common radiator, less fans are going to save teams big money and probably even up the competition more. I think it is in the future soon to go with composite bodies for the cup cars. Next year Xfinity is going exclusively with them. Test bed for cup.
 
Charlie Spencer said:
Yeah, I suspect that's to keep teams from getting around the sealed engine rules.

"Hey, we unloaded with a sealed engine but we scraped the wall. We had no choice but to go to the fresh engine in the backup car!"
"Nope, sorry boys."

I assume this means they'll have to take the engine out of the primary, not just roll a spare off the hauler.
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And we all know the teams would just that, "we spun out, pull the backup car out"
 
StandOnIt said:
like the crash cart removal, the engine rule, common radiator, less fans are going to save teams big money and probably even up the competition more. I think it is in the future soon to go with composite bodies for the cup cars. Next year Xfinity is going exclusively with them. Test bed for cup.
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Before I go , agreeing with what you said, just adding, the removal of the crash cart aka the 5 min crash clock while does save the teams some money, I believe the main goal with that change was to keep the wreck race cars off the track that had no business getting back on the track after wrecking.
 
StandOnIt said:
like the crash cart removal, the engine rule, common radiator, less fans are going to save teams big money and probably even up the competition more. I think it is in the future soon to go with composite bodies for the cup cars. Next year Xfinity is going exclusively with them. Test bed for cup.
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Okay, somebody explain composite bodies to me.
 
Who is in charge of marketing and trying to entice people from home to tune in and others to go to the track? The ratings for the first 3 chase races last year were abysmal and the first 3 this year are off a collective 20% from last year. Sealing engines and measuring tolerances in pubic hair widths is peachy freakin keen but what good is it if less and less people give a crap about the series?

Does Nascar employ anyone to actually do anything to make the racing better or do they just take their orders from the networks to baffle with BS and gimmicks and hope no one notices the **** shows? You have a series hemorrhaging fans like a hemophiliac loses blood and these guys are sweating downforce that Pearn and Knaus will have figured out prior to the beginning of the year. I could not make this stuff up.
 
Charlie Spencer said:
Thanks!

I noticed a caption saying this would result in faster repair times. I recall the current rules prohibit replacing race-damaged body panels. Does the caption imply replacing panels will be permitted on the composite body under race conditions, or is it just talking about P & Q?
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So far in Xfinity with a couple of composite body races, they were using bear bond like in cup to do what it can.
 
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