Airflow to Cubic Inches

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Here's A 493 270 Trick Flow making 788 hp at 6300 rpm and 710 tq at 5400 rpm.

 
TF270’s are the default head choice for that type of build.

Uses std offset rockers and has std height ex ports.
Indy EZ295 is basically the equivalent.
 
PHR said it best above. The formula for getting the max and beyond are one thing, and average hot rodders just need to look at what others have done and do a basic copy of it.

This is where I see so many people use a formula and get pissed at the results and why I say formulas don’t work well and are not for everyday or even pretty hot builds. People get lost in them and choose based on what the math says only to be disappointed.

The only time I see people happy with the math is when they’re building a very specific certain something to do a specific strain something. By the standards of this forums routine chatter, this would be the extreme end are really hot engines.

If off the shelf parts can do the trick, you really don’t need the math.
 
rumblefish360 said:
PHR said it best above. The formula for getting the max and beyond are one thing, and average hot rodders just need to look at what others have done and do a basic copy of it.

This is where I see so many people use a formula and get pissed at the results and why I say formulas don’t work well and are not for everyday or even pretty hot builds. People get lost in them and choose based on what the math says only to be disappointed.

The only time I see people happy with the math is when they’re building a very specific certain something to do a specific strain something. By the standards of this forums routine chatter, this would be the extreme end are really hot engines.

If off the shelf parts can do the trick, you really don’t need the math.
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Also u have to realize the machine work that goes into this type engine. These are the results u get with a high end pro engine builder. Like the old saying goes: u wanna play u gotta pay. Kim
 
I don't know the intake port lengths or volumes on the B1 heads but in my opinion for a 493 running to 6200 you're going to have a hard time beating the TF270
 
oldkimmer said:
Also u have to realize the machine work that goes into this type engine. These are the results u get with a high end pro engine builder. Like the old saying goes: u wanna play u gotta pay. Kim
Click to expand...
Very true. There are in my head “Levels” if you all get the drift.
Stock rebuild
High performance
Race

This applies to the parts and combinations used. OEM parts can go far. (Totally subjective) Then there are HP parts and race parts as well as machining.
 
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