We do nothing but straight pump gas engine builds anymore. Got away from race gas decades ago due to cost and lack of availability. Doubt I'll ever consider E85 for anything either since it's still not widely available everywhere.
I do have an early Innovative LM-1 wideband that is a portable unit I bought maybe 25+ years ago to tune multiple cars with. That thing still works flawless. I don't even remember which sensor it has, it's never been a concern. I do know the Holley Sniper Stealth EFI's used on both cars, and the Innovative 2 1/16 wide band gauges used in both of those cars are all Bosch. In fact I had to replace one of the Innovative sensors last year, and just put another Bosch in it.
There is a way to re-pin the Holley to accept the NTK, there have been some extensive posts on it. I've just never been interested in revamping the system like that since it works fine as is. Plus I've never found anyone with a success story they've shared doing it, lol.
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2019 Pontiac Heaven class winner
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