You will only be around 10.8-1 with those pistons, which is nothing to worry about N/A. Throwing boost on a stock 5.4 is not going to last very long. If you want a good cheap shortblock, source some takeout 2007-2012 pistons and rods from a gt500. It will only be at around 8.0-1 comp but will have the ability to hold much more HP.
My thought process was that I would use factory ford pistons, forged rods, and factory forged crankshaft, my biggest concern was the limitations of the pistons at a high compression level with boost, if my math is right I should be around a 10.32:1 but I may be wrong
Don't forget that just because you can't run as much boost with higher compression doesn't mean you can't make the same power. Power is all about cylinder pressure. It doesn't matter if that cylinder pressure comes from compression ratio or boost. So, yes, it's true that you can't run as much boost with a 10.5:1 compression ratio as a 8.0, but at the same time, you don't have to run as much boost to make the same power.
For reference, new Coyote 5.0s are 11.0:1. And there's more than a plenty of them running around making 600+ rwhp on boost. But notice that it's only at 5-7 psi. That extra compression is a lot of the reason why it doesn't take a ton of boost to make big power. The problem with high compression is that it's a lot more sensitive to things like intake air temps, fuel octane (bad gas), a poor tune, etc. as well as being more finicky at lower loads (i.e. part throttle and idle), whereas lower compression and higher boost are a little easier to deal with. Done right, high compression and boost are just fine together.
I haven't seen a boosted 5.0 that WASN'T on E85
I've seen quite a few, and they make very good power on relatively low boost. Unless I'm mistaken, Ford even offers a blower for them that makes over 500 on the tires, under warranty.
Wow. Never heard of this.
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?