myslowcamaro

i seen the revised ruling saying a driver who is faster than 11.499 must have a restraint system, (im assuming 5 point) but does it need to be on/thru a racing seat? i would like to rig one up to a cage but keep the stock power seat.

Injuneer

I don't think this is any sort of major change... anywhere I raced, you needed the roll bar to run under 11.5 and if you had to have a roll bar, you had to have a 5-point 3"-wide harness. I think the NHRA language that was posted as a change on the "Drag Racing...." forum was specific to the "Stock" class, where previously, the requirement for a roll bar was defined by the class the car ran in (A/S thru M/S) and not by the car's ET. As the cars got faster, then needed to change it to an ET based rule.

You can run a harness with a stock seat, as long as everything else meets the rules.

The harness has to attach to the cross-bar no more than 4" below the shoulders. Works OK with a Firebird seat with the separate headrest, but there may be a problem getting the harness straps over your shoulders and keeping them there with the Camaro seats and their integrated headrests. A buddy of mine had his stock Camaro seats modified to allow the harness to pass through at shoulder level... a single hole cut and edged in his white leather 30th SS seats. He ran in the 9's with a full cage with that setup. With my Formula, they never had a problem with the straps run between the seat back and the headrest.

http://www.injuneer.com/images/photo...r/DCP02778.jpg

With a racing seat, the crotch strap must be anchored to the floor behind the chest line. With a stock seat, they will allow you to pass the strap in front of the seat, and not through it.

With a racing seat, the seat must be bolted to the cross-bar, with a stock seat it isn't required.

With a racing seat, the fore-aft slider has to have an NHRA approved double latching mechanism. With a stock sear, it isn't required.

myslowcamaro

so it sounds like i will use the stock seat. i will have to rig up something on the crossmember like some kind of loops to hold the shoulde straps in place. thanx fred.

Injuneer

You can also consider using a sternum strap to connect the shoulder straps and hold them together over your chest.

sseeya

Like this.

http://www.stroudsafety.com/Images/R...dividualLg.jpg

mitchntx

http://www.ultrashieldrace.com/prod.php?id=34

These are great restraints with nice, padded sternum protection.

They are SFI rated and reasonably priced at ~$200 for a 5 point.

Mikek340

If i remember correctly a car slower then 9.99 doesn't need up to date seat belts. If thats the case look for a used set on ebay or what not. save yourself a few bucks. we liquidate ours on there every 2 years it might help you out.

sseeya

Not true. In any car that a restraint system is required, the belts must be up to date.

Injuneer

Must be replaced every two years. No exceptions.

mitchntx

SFI rated belts need replacing within 2 years of the date code.

FIA rated belts can be extended to 5 years.

myslowcamaro

cool, ill order soon then
ill go that route. thanx. the one thing i wasnt clear on in your write-up was the crotch belt on stock seats. does that loop back to the cros member (the female end) or get bolted to floor?

mitchntx

The Ultrashield belts I referenced don't need a sternum strap. It's integrated into the system.

sseeya

The Stroud's are the same. The strenum strap is already attached. The sternum strap on the Stroud's isn't quite as nice as the Ultrashield (it's not padded)but the belts are slightly less expensive at around $155

Injuneer

The crotch strap gets bolted to the floor. I used a long bolt and a very large, thick fender washer under the floor.

sseeya

Or you could use one of these.

http://www.wolferacecraft.com/detail.aspx?ID=252