One of my parts vendors is pushing the line of autolite flash attachments of late. In the past we have utilized unique hardware connects every one of the motors we remake. We incline in the direction of champion for a ton of them too. For the last month we have been getting autolite plugs thus far no issue except for im intrigued by what other say about autolite flash attachments by fram.
Real world comparison for ya. I had a chevy 408 big block that was just a bit built up with good compression and a comp 270 magnum cam. I ran AC delco in it but wanted to do a back to back test. I put in brand new AC delcos and drove it, then put in the equivalent Autolites at the same gap. I immediately noticed a smoother idle and the car just seemed to over all perform better. YMMV
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