engine diaper

engine diaper - 09/03/10 03:10 AM

I was just looking at our lovely online NHRA rule book and from the way I am reading things a diaper is not required until you get into advance ET running 7.49 or faster am I reading this correct?
Under super pro running 7.50 or slower it states a diaper is permitted but doesn't say required.

Posted By: The Duster

Re: engine diaper - 09/03/10 03:28 AM

That's what I read too. The real question is what percentage of crashes could have been avoided if they had a diaper? $200 sounds like cheap insurance to me.

Posted By: Al_Alguire

Re: engine diaper - 09/03/10 03:57 AM

Also a requirement of certain classes, ie Super Gas, Super Com and Comp. I am sur we will all see a trickle down affect eventually. I know after the hemi had the rods try and get out the side of the block and 155 and there was not a drop of oil on the track I wont be without one again.

Posted By: HEMIFRED

Re: engine diaper - 09/03/10 04:09 AM

Quote:

That's what I read too. The real question is what percentage of crashes could have been avoided if they had a diaper? $200 sounds like cheap insurance to me.

they start at 158 custom made to fit russileri did mine
http://www.russlerii.com/

Posted By: Kevins493

Re: engine diaper - 09/03/10 04:15 AM

DRE made mine. I run stock front suspension and it hasn't been an issue (k member is notched to clear the pan though). The NSS organization i run with had an incedent a couple weeks ago that could have been avoided had the car that lost the motor had a diaper (or if the track was cleaned.....) Luckily no one was hurt and the damage was minimal.

Posted By: dusturbd340W5

Re: engine diaper - 09/03/10 04:18 AM

I get the safety argument about having 1 but I am just looking at letter of the way it is written and if I am required to run 1 or not from the way I see it it's not required with me running a bracket super pro car running slower than 7.50.

Posted By: HEMIFRED

Re: engine diaper - 09/03/10 04:46 AM

Quote:

I get the safety argument about having 1 but I am just looking at letter of the way it is written and if I am required to run 1 or not from the way I see it it's not required with me running a bracket super pro car running slower than 7.50.

what so confusing? not required means not required like you don't have to have it 7.50 and upp and permitted means you can have it and they permit it's use

Quote:

OIL-RETENTION DEVICE
All vehicles running 7.49 or quicker must utilize an NHRA-accepted
lower engine oil-retention device; may use a belly pan in lieu of a
device attached to the engine. The belly pan must extend from
framerail to framerail and extend forward of the harmonic balancer
and rearward to rear engine plate and must incorporate a minimum
2-inch-high lip on all sides. A nonflammable, oil-absorbent liner
mandatory inside of retention device. See General Regulations 1:8.

[

Posted By: Al_Alguire

Re: engine diaper - 09/03/10 05:06 AM

What he said..Pretty simple if you have a racecar running 7.50 or slower you dont need one. UNLESS you run Comp, Super Gas or Super Comp, they need one regardless of ET.

Posted By: Thumperdart

Re: engine diaper - 09/03/10 05:10 AM

Quote:

What he said..Pretty simple if you have a racecar running 7.50 or slower you dont need one. UNLESS you run Comp, Super Gas or Super Comp, they need one regardless of ET.

Are we talking 1/8th mile or 1/4? Now I`m confused.............

Posted By: Al_Alguire

Re: engine diaper - 09/03/10 05:16 AM

1/4 mile...

Posted By: Thumperdart

Re: engine diaper - 09/03/10 05:20 AM

That`s a relief.............although a great safety item.

Posted By: Chris'sBarracuda

Re: engine diaper - 09/03/10 09:00 AM

There are some tracks that are requiring them on their own track rules.

They don't need the down time, nor the cost of clean ups..

I have a russler also. great guy. Good ol racer..

Chris..

Posted By: MegaDart

Re: engine diaper - 09/03/10 12:04 PM

Quote:

There are some tracks that are requiring them on their own track rules

that is exactly the case at most tracks I race at, 9.99 and quicker they are required

Posted By: Thumperdart

Re: engine diaper - 09/03/10 02:56 PM

Quote:

Quote:

There are some tracks that are requiring them on their own track rules

that is exactly the case at most tracks I race at, 9.99 and quicker they are required

Man, it becomes a bit crazy once you`re in the 9`s but it does make tracks/drivers safer I guess. I`m WAY under the 6.39 1/8th mile legal thing w/only a bar already and after my 6.10 I PROMISE I`ll make it legit..........

Posted By: DavidDean

Re: engine diaper - 09/03/10 03:25 PM

I hope to participiate in a couple of races where they're required. A diaper wont work on mine but I'm in the middle of a belly pan project which looks like may work well. I'll post some pics when its installed.

Posted By: gregsdart

Re: engine diaper - 09/03/10 03:51 PM

Quote:

I hope to participate in a couple of races where they're required. A diaper wont work on mine but I'm in the middle of a belly pan project which looks like may work well. I'll post some pics when its installed.

This to me is the best approach. You get the benefits of oil control, and improved aerodynamics through better airflow under the car. Might as well extend it forward a bit and add a front air dam under the valance?
Kinda follows the philosophy, nothing rides for free!

Posted By: dusturbd340W5

Re: engine diaper - 09/04/10 12:20 AM

Quote:

Quote:

Quote:

There are some tracks that are requiring them on their own track rules

that is exactly the case at most tracks I race at, 9.99 and quicker they are required

Man, it becomes a bit crazy once you`re in the 9`s but it does make tracks/drivers safer I guess. I`m WAY under the 6.39 1/8th mile legal thing w/only a bar already and after my 6.10 I PROMISE I`ll make it legit..........

yeap they are just looking for every way they can to nickle and dime the small guy to death.
It shows the diaper has to be recerted every year that's as bad as every 2 years on the belts

Posted By: MegaDart

Re: engine diaper - 09/04/10 12:37 AM

Quote:

It shows the diaper has to be recerted every year that's as bad as every 2 years on the belts

IMO, it is a good rule and was long overdue. As for the recert only Top Sportsman, Top Dragster and faster require SFI certed diapers. You will be fine with just a sportsman diaper.

Posted By: Chris'sBarracuda

Re: engine diaper - 09/04/10 01:10 AM

Quote:

Quote:

It shows the diaper has to be recerted every year that's as bad as every 2 years on the belts

IMO, it is a good rule and was long overdue. As for the recert only Top Sportsman, Top Dragster and faster require SFI certed diapers. You will be fine with just a sportsman diaper.

What he said..

Posted By: dusturbd340W5

Re: engine diaper - 09/04/10 01:19 AM

so the sportsman's is just a 1 time purchase.

Posted By: dOrk !

Re: engine diaper - 09/04/10 01:20 AM

Just curious ....what does running a diaper do to the oil temp?

And what is this REcert ? ....what is done and how much is it?

Posted By: Chris'sBarracuda

Re: engine diaper - 09/04/10 01:26 AM

Quote:

so the sportsman's is just a 1 time purchase.

With NHRA I never say 1 time purchase.

But for now, sportsman don't need to have a certified SFI diaper.

But stay tuned..

Doc.. my car runs the same temp with a diaper..

Chris..

Posted By: Super Scamp

Re: engine diaper - 09/04/10 02:31 AM

You never know when the the

and it get all over the tires....

Like poo inthe toes feeling ....

when you have gone for a ride like that you wear a DIAPER!!!!... Go to a Chevy race and see how many oil downs thier are. get the point...

Just get 1 and be over it Join the big boyu racing club you street idiot... Get real.. and Safe...

Posted By: dusturbd340W5

Re: engine diaper - 09/04/10 03:22 AM

Quote:

You never know when the the and it get all over the tires.... Like poo inthe toes feeling ....

when you have gone for a ride like that you wear a DIAPER!!!!... Go to a Chevy race and see how many oil downs thier are. get the point...

Just get 1 and be over it Join the big boyu racing club you street idiot... Get real.. and Safe...

as far as I am concerned DIAPERS have always been someting old men wore who cant hold there mud but maybe you feel you need 1

Posted By: Al_Alguire

Re: engine diaper - 09/04/10 04:04 AM

Nuff said

Posted By: cudadoug

Re: engine diaper - 09/04/10 07:34 AM

Quote:

Quote:

so the sportsman's is just a 1 time purchase.

With NHRA I never say 1 time purchase.

But for now, sportsman don't need to have a certified SFI diaper.

But stay tuned..

Doc.. my car runs the same temp with a diaper..

Chris..

According to one tracks ET Finals Rules in Div 7, a diaper will be required at the 2011 ET Finals here...on anything that's 10.99 or quicker!

Posted By: Chris'sBarracuda

Re: engine diaper - 09/04/10 08:45 AM

Quote:

Quote:

Quote:

so the sportsman's is just a 1 time purchase.

With NHRA I never say 1 time purchase.

But for now, sportsman don't need to have a certified SFI diaper.

But stay tuned..

Doc.. my car runs the same temp with a diaper..

Chris..

According to one tracks ET Finals Rules in Div 7, a diaper will be required at the 2011 ET Finals here...on anything that's 10.99 or quicker!

That's very true.

But that would be a sportsman (non SFI) diaper..

Don't know if you caught that.

Chris..