nhra approved antifreeze?

I don't want to run straight water in my engine but I need winter protection.
Is there an antifreeze that's accepted at the track?

None that I know of, antifreeze will get you the boot at some tracks...Use Water Wetter and distilled water, won't hurt a thing.

EDIT: Sorry, I missed the winter protection part, not sure what the best option is there, I don't have that issue being in florida, might just be better off to just drain it in the winter.

Water / and water wetter at the track, the be safe and dump half of the water and add antifreeze... its cold up here in the winter !

You can run RV antifreeze. It won't be a clean up problem if you spill it on the track.

I drain mine in the cold winter month we have here and put antifreeze in then before I carry mine to the track I drain it and flush it with water then fill it with water and a bottle of water wetter for the summer. Just draining the water will not get all of it out of the block and can still freeze and bust the block. I had one back some years ago to freeze bust with just water with no hoses hooked up it bust between the freeze plugs it was a old 351m so no big loss.

An like Curt said the RV antifreeze for winterizing the fresh water system will work also

I drain mine before winter,so I just use distilled water and a bottle of "ArmorAll" to keep the waterpump lubricated. Done this for years w/o issues.

The ONLY anti boil /anti-freeze they will allow in SCCA Road Racing or NASCAR is the "propolene glycol" type, (read expensive), because it is bio-degradable, non-poisonous and washes away easily with water.
You can use RV drinking water type anti freeze, (the pink stuff in the regular gallon bottles), but, it boils easily and won't protect against corrosion.

Regular "all season" anti-freeze is "ethylene glycol" and is not race friendly at all; worse than oil to clean-up.

rmcomprandy wrote:The ONLY anti boil /anti-freeze they will allow in SCCA Road Racing or NASCAR is the "propolene glycol" type, (read expensive), because it is bio-degradable, non-poisonous and washes away easily with water.
You can use RV drinking water type anti freeze, (the pink stuff in the regular gallon bottles), but, it boils easily and won't protect against corrosion.

Regular "all season" anti-freeze is "ethylene glycol" and is not race friendly at all; worse than oil to clean-up.

The "boils easily" part would put me off. That would improve the chances for it to wind up on the track.

As above, water & water wetter, drain and replace with af for winter. It ain't that hard to flush, especially with electric water pumps.