Lmao. Canadians are so confused that they measure weight by liquid volume.
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Maple leaf additives in the gas.
100 shot had to have gotten you to those numbers.
If I was spraying it, I'd admit to spraying it. Was just a combination of the truck being a 5speed, a high reading dyno, and it is a fairly healthy motor. But not 450rwhp healthy. I put together a good combo, but it's just too small to put up numbers like that. It's a small cam, factory casting heads, stock bottom end LM7.
Pretty awesome however its fairly clear it was reading somewhat high. I figure a heads and can 5.3 will put down 385ish on its best day threw an automatic. I bet you are closer to +400 seeing as your a 5 speed. I think a guy over on pt.net was saying he saw a difference of 700 HP on a mustanf dyno and 800 on a dynojet. Right day right time and maybe a little wheel spin? Let's all take dynos for what they are really worth.... a tuning guide and measuring stick as we make adjustments. Once again congrats devin. Your build is pretty awesome. The what 4500 mile round trip yo star is proof of what a beast this thing really is.
And almost had to tow Bertha home.