I got this tuned on a dyno and the exhaust is always glowing when running wot you let off it cools down, is this normal the afr was correct on the dyno.
97cavalier
Need more info.
What mods (besides tuning). Is it n/a, turbo, supercharged?
FU Tuning
Na, gutted crank eagle rods bored .80 over flat tops 2.4 head 2.3 springs lifters and HO cams. stock exhaust mani and stock intake
97cavalier
I assume you are talking about your header glowing, as I hope you have one. My more less stock 2.4 would, which I would assume is fine being the primary thickness.