aluminum heads yay or nay....

[FHI-prez]

going to buy a set of assembled edel 460 rpm heads for my BBF
good idea for a jet boat? if not why? :mix:
maintenance difference from iron? :squiggle:
motor is fresh water cooled
anything I should be aware of or concerned about, like sand etc? :messedup:
I need a bit of help here guys, thanks for your input!!
As you might have guessed this will be my first set of alum. heads in a boat or car, so feel free to pretend I'm retarded :messedup: and tell me all I need to know
Nick

[1978 Rogers]

I think they'd be great. Lighter than iron heads.
I don't think sand will be a problem. The water doesn't flow through a block very fast. So as the velocity of the water slow after entering the block and passages I thing the sand will settle to the bottom on you block.

[FHI-prez]

I think they'd be great. Lighter than iron heads.
I don't think sand will be a problem. The water doesn't flow through a block very fast. So as the velocity of the water slow after entering the block and passages I thing the sand will settle to the bottom on you block.
Yeah, I havn't pop'd the freeze plugs out of the block yet to see, but I'd be
willing to bet it's got some sand sitting down there. :skull:
Nick

[Taylorman]

Im rebuilding my engine now and i hosed out the water passages this weekend and the water coming out was brown from the mud that settled in the block.
Go for the alum heads and don't look back. Performer RPM heads are great for the money.

[moneysucker]

Make sure you follow the torque instructions. you have to torque, run, torque, run, torque I believe. Petrofied would know more about this. In super chevy the weight is an advantage and make sure that you do your research on the flow of diferent brands. some flow barely better than stock. If you are getting new exaust I would suggest the ones that use the chevy exaust ports. Fords are very small. I am by no means an expert on these and I don't own a set but My brother is running Edelbrocks on his 460 and seems to be happy. He had his completely ported though. Do your home work and you will also need longer throw plugs and push rods.

[Squirtcha?]

I'm running the ebrocks on my 460. They've been on there for three seasons. The exhaust ports are much better than the stock iron heads. If I'm not mistaken, the flow numbers on box stock ebrocks are better than D3's and even the DO's and C8's after being race ported. Still not stellar by other standards (you could do better, but not for the money). In short, I highly recommend them.
Make sure you buy the ARP head bolt kit that goes with em (don't use the stock bolts).
Oh yeah, they were literally a bolt on deal.
How can ya go wrong with 70-80 lbs less weight and better flow. It'd cost ya a grand to have a set of irons ported and set up with scew in rocker studs, hardened pushrods and guides, bigger valves etc.

[djdtpr]

Make sure you follow the torque instructions. you have to torque, run, torque, run, torque I believe. Petrofied would know more about this. In super chevy the weight is an advantage and make sure that you do your research on the flow of diferent brands. some flow barely better than stock. If you are getting new exaust I would suggest the ones that use the chevy exaust ports. Fords are very small. I am by no means an expert on these and I don't own a set but My brother is running Edelbrocks on his 460 and seems to be happy. He had his completely ported though. Do your home work and you will also need longer throw plugs and push rods.
What he said!
My buddy runs a set of the Art Francis heads and loves them they use the chevy exhaust ports and flowed pretty good.

[1978 Rogers]

Yeah, I havn't pop'd the freeze plugs out of the block yet to see, but I'd be
willing to bet it's got some sand sitting down there. :skull:
Nick
My plugs on the left side poped out this passed winter. Do damge done to block. I'm pulling them out and cleaning the block out this year. Then filling the block with some antifreeze.

[FHI-prez]

I love this forum shit
Your advice and experience is invaluable and greatly appreciated. I'm not overly worried about the flow numbers. I'm trying to be realistic and I KNOW they flow better than the stock D3's that have been pulled off. Good word on the torque and ARP bolts. I was planning on ARP's anyway, and I have to find out exactly what they want as far as torque procedure goes. I do know that you have to re-torque at LEAST once, but probably wouldn't hurt to do it twice. And I also know the motor must be cooled down to room temp before you retorque. But as far as the plugs go, I was deffinitely going to anti sieze them, but I have no clue as far as what plug number to run. I'll find that out in good time. I gotta get the bottom end together first so I don't want to jump the gun......but she's gonna be a healthy motor to be sure. She'll be putting out a true 500 ponies which is my goal.
Thanks guys,
Nick

[hack job]

i went with the blue thunder heads they are pretty dman good out of the box but wake up tons with a port and polish job. plus then there are a lot more exahust options open to you ( they use the chevy exhaust pattern) just my .02