What hp numbers do you think is achievable in a max effort n/a 5.3. It will be put into a drag car/truck no driving on the street at all. What heads would be the best also. Any combos like this already out there? Asking for a friend. Thanks.

 

Edgar's 5.3 was the most max effort I've seen out of a 5.3.

 

Do you know about how much power he made?

 

little over 500 rwhp at like 7500 rpms

 

499 and was shifting at 8300 forged 5.3 his custom cam and it had big compression as well

 

I can help you out. My 5.3 is still alive and now a friend of mine has it. I made 499 RWHP on a mustang Dyno and that's because I was happy with the numbers and I stopped there. Truck ran a best of 11.0 @ 123 MPH. I used a set of our 243's ported and a Holley hi ram intake.

 

But why?

 

All those numbers to the tires?

 

Reason for n/a is due to the class he runs in.

 

Yes sir that was to the tire.