I have been posting all over the net trying to find out what the phuk NHRA wants and what the SFI requirements will be.:smt093

 

We run a belly pan on my wife's TD car. They are legal. What you have posted in blue is the rule.

 

Jeff.......................make your sig pic bigger! I barely can see it!

 

belly pan is legal. I believe it has to be atleast 2" tall on all sides and has to have absorbent pads in the bottom. I dont think it can have any open seams either

 

What is different from the past bellypan rule?

 

must incorporate a
minimum 2-inch-high lip on all sides ​

This is not very specific. Where the penetrations are, do they need the 2" lip?

 

I would imagine if they were not it would defeat the purpose. At least that's the assumption i built mine with.

What is everyone using for an absorbent pad? Will a regular grey pig mat work?

Here are a couple pics of what i threw together.

 

i've built several to the rules. built one with big holes in the middle because something had to go through it. never a problem so far been through tech at bandimere in denver and vegas with no issues.

 

So u have a pan to contain oil AND it has a big hole in the center????

What am i missing here??

 

Thanks for everyones input. Mine is near complete. 3 inch tall sides. I just need to finish the mounting tabs and it's done.

I heard rumors about pans not being acceptable in 2012. As I said, I talked to a director about 3-4 months age and he said they were considering it but couldn't give me a answer at the time.

Looks like I'm good to go with the pan.

 

I'm just not sure that a catastrophic failure (rods,crank,block) at speed is going to be contained in that pan - no matter how much absorbent is in it. Friends of mine have had these failures with a diaper and not a drop on the track/under tires. For now the pans are legal so that's my .02............................ JB

 

I think most tech at most places have this opinion. If you have a pan or a diaper you are atleast trying. I don't think they are worried about penetrations on the sides and such. My home track owner stated "Ive been cleaning up oil for 40 years, whats another 40?".

 

Lord would that suck if they went to a diaper only rule... wait fuel cars use belly pans? We just fabbed up the belly pan on the dragster this year. I think they will hold back a good amount of oil...

 

Go to Grainger--buy pads for about 75 cents.

 

I thought if you needed a diaper it had to be nhra accepted.Most chassis guys make them from carbon fiber.Is an aluminum pan accepted?

 

Brought a $350 dipper and fucking headers meleted a huge hole it the side of it so whats the point ita on there but ita not gona hold muxh

 

Want to see more pics of belly pans installed

 

I'm wanting to put one of these on my top sportsman car any pics of these installed?

 

Have a diaper on my TS car, blew a hole in the side of the block and multiple holes in oilpan. Not a drop on the track.....probably saved my car and ass as well. Not sure a pan would do the job if you blew it up good.

 

NHRA accepted is the important part.I was told aluminum is not accepted.Carbon fiber with kevlar is accepted and way stronger than aluminum.Aluminum will stop nothing but oil drips,rods will go right through then oil and parts go under the tires.Then hang on.

 

Is there a required thickness of aluminum for these pans?

 

Subscribing

 

no minimum thickness and yes aluminum is allowed, iv seen many cars with an alluminum pan race. if you wanna be safe incase of blowing a motor up and chucking parts out the side of the block then a diaper is for you, a pan will do nothing but catch a bit of the oil drops, but it IS still legal.

To be safe my vote goes for the diaper

For ease of use and to help the motor cool down between runs my vote goes for the belly pan.

unless its a supercharged motor then you have to have a diaper so your damned if you do and your damned if you dont

 

Where does it say that if it's a supercharged engine you have to have a diaper? Don't the fuel cars and alcohol dragsters and funny cars use pans?

 

No SFI cert is required unless required by class rules. The rules were posted and that's about it. The diaper or pan (non-sfi) is required for any e.t. classes 9.99 and faster, at divisional races or NHRA races, also. That does not include the summit e.t. points series (or whoever is sponsoring this year).

 

Here is my belly pan. From front bumper to the front of the trans. I still need to make some side pieces so it truly goes from frame rail to frame rail.

I tried a diaper but ended up burning it up-- with the headers I have and the motor mounts (not a motor plate) its just too hard to get a good fit.

 

psfracer, how about a pic from the bottom. Interested to see how you worked around the headers, steering, etc