IndyBrocs or RHS for my 408 roller cam build

[jefflock]

I am currently piecing together a roller cam 408 for a future project. This will be more of a crusier than a racer. I want to build this for trips like the Hot Rod power tour or something similar or just driving to the car show 30/60/100 miles away. I have a chance to purchase a set of complete Indy brocs or should I get a set of RHS's from Brian? This will be a pump gas motor and need to decide on heads so I can determine compression ratio. And it will end on the strip for street class racing as well. Thanks Jeff

 

[340sFastback]

Depends on what you are paying for the indybrocks and what condition they are in?

 

[hdriders]

I put Edelbrock on my 408.

 

[Cudafever]

The best bang for the buck are going to be the RHS heads.

althoug you have over 400 cubes, to pull air through them heads, i thing the indybrocks my be too big and cause a pore street performer............How much CFM and @ at what lift are the indybrocks advertised at?

 

[jefflock]

Depends on what you are paying for the indybrocks and what condition they are in?

$1500 complete with rockers and port matched intake. They will need freshed of course.

 

[jefflock]

The best bang for the buck are going to be the RHS heads.

althoug you have over 400 cubes, to pull air through them heads, i thing the indybrocks my be too big and cause a pore street performer............How much CFM and @ at what lift are the indybrocks advertised at?

I will have to inquire and the flow and such.

 

[crackedback]

If you want TQ... RHS

The indybrocks will likely make more power up top if cammed properly due to the cross sectional area.

 

[Brian Hafliger]

1500.00 is a good buy, but if you have to freshen them then you'll spend at least 300.00 on valvejob, surface cut, seals and cleaning.
That's about what you'll spend on our RHS heads with Hughes rockers but it'll all be new and make more power.
The Indybrocks don't flow much more than regular eddy heads. Now once ported, the indybrocks can flow 310+cfm and have good min. csa for larger engines or higher rpm.
Not a bad thing either way.
Cheapest power is always going to be our RHS heads unless you can port your own heads and do a good job at it!!
Brian

 

[rumblefish360]

The Indy/Brocks are priced nicely. The size of the ports will feed your size engine better in a high-er performance minded application. Being theres no pushrod pinch is a plus.

 

[moper]

1500.00 is a good buy, but if you have to freshen them then you'll spend ...$? on valvejob, surface cut, seals, springs, and cleaning.


Cheapest power is always going to be our RHS heads unless you can port your own heads and do a good job at it!!
Brian

I think $1500 for previously run indybrocks is high. Unfortunately, new is new, used is used and thee's a huge difference in cost once anything is run. Are you getting the entire kit, or just the heads? If it's just the heads I woulndt pay more than $1000 for them. If it's the whole kit (they use special rockers, head bots, and longer pushrods) $1500 isnt too bad but still a little high IMO. In terms of use.. The Indybrocks will have the potential to make more power than the RHS heads, and are lighter by a bit. The RHS will do the job for you but I think in "out of the box" (meaning as delivered ports) the Indy heads will make more power but be a bit more cash to get on the engine and running.