Hughes Edelbrock heads : Smallblock

yellow rose said

There is more to horsepower than head flow. We should all know this by now.

You can have two heads that both flow 300 CFM and they can very different max HP levels and HP curves. There is more to it than flow.

If you are buying a head base solely on flow, you are bound to get screwed.



BTW, if everyone would use correction software, and checked their benches for leaks, they would all flow within 1%.

A tricky dud I know likes to use very soft checker springs on the valves. That way, when he is flowing, it will open the other valve a bit, and shine up his **** numbers a bit.

A loose spark plug will do it too. Some guys leave the plug out!

Click to expand...

Don't get me started on flowbench BS. My SF-1020 has atmospheric condition data and corrections it has NEVER read higher than anyone else's advertised flow numbers. You are right about flow numbers meaning actually very little. Your tricky dude with weak springs sounds like he's in the wrong trade if he thinks he's fooling anyone, and leaving a spark plug out is a dead giveaway with a +30cfm advantage showing..

That being said I purchased the heads for the 2015 EMC and saw andvantage within the rules that year. My mistake was letting Hughes sell me his CNC port "work" . I was after the pushrod pinchless aspect and know how CSA and flow work to know. J.Rob