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older racer · 10-08-2018, 04:14 PM

long time ago, I asked NHRA official about the two year rule, seems it was based on seat belts in jet fighters, they replace them every two years. boeing builds a plane and they don't replace seat belts every two years. in general aviation, there is no seat belt rule. I remember being around spray planes with 20 year old belts, never replaced, yet they held up in a turn over. I witnessed that. also, bellhousing rule is same boat.

10-08-2018, 04:14 PM	#15
older racer Member Join Date: Aug 2010 Posts: 211 Likes: 13 Liked 64 Times in 25 Posts	Re: Race Belts long time ago, I asked NHRA official about the two year rule, seems it was based on seat belts in jet fighters, they replace them every two years. boeing builds a plane and they don't replace seat belts every two years. in general aviation, there is no seat belt rule. I remember being around spray planes with 20 year old belts, never replaced, yet they held up in a turn over. I witnessed that. also, bellhousing rule is same boat.