Smo's04Gto

iTrader: (8)

Looking at building a NA 416 with Mast LS7 265 heads. Custom ground hydraulic cam, if funds allow would love to try the LLSR deal.
4L80 4K stall car currently has 4:30's but will more then likely swap to 3:73
Street/track car with somewhat descent drivability.

Undecided on which intake to use looking at Vic Jr/ Super Vic / Holley Hi ram. Also looking at accufab throttle body.

Looking for real world advise on which intake to run and if the accufab is a good choice over (holley/willson/ ect) hood clearance isn't a problem.

Thanks for any info I'm leaning towards the Vic Jr.

Rise of the Phoenix

iTrader: (27)

Can I ask why you're leaning toward the Vic. Jr. when clearance isn't an issue? Most guys go with the Vic. Jr. because they can't get the Super Vic. to fit without doing a bunch of cutting. On a NA 416 with those heads, I'd go Super Vic. all day long. Especially if you have the cam custom ground around all of those parts/intended use.

Smo's04Gto

iTrader: (8)

^ only because one is available. But if I'm leaving to much on the table I have no problem buying something else.

Rise of the Phoenix

iTrader: (27)

I think you'd be leaving quite a bit on the table. Back when I contemplated going with a Victor Jr. or Super Victor on my heads/cam/full bolt-on 346ci, I was told that it would be pretty significant. With you having a lot more cubes, plus the MAST heads, it would likely be even more. I know someone is going to recommend the MAST intake as well, but I think it's way more expensive than a Super Victor.

Rise of the Phoenix

iTrader: (27)

Here is a good read if you've got some time.

http://www.yellowbullet.com/forum/sh...ad.php?t=69252

http://www.yellowbullet.com/forum/sh...d.php?t=344687

Smo's04Gto

iTrader: (8)

Really appreciate your input and posting the links. I've read both all my search results only show older posting.

Yes I'd love a mast intake but it's more then I'm willing to spend.

Rise of the Phoenix

iTrader: (27)

The price difference between a Vic. Jr. and a Super Vic. is pretty close. Plus, you can find used Super Victors on here quite often. I'd go with the Super Victor route if it were me, especially on a 416 with those heads.

Smo's04Gto

iTrader: (8)

Ok Vic Jr is OUT, super Vic is in the lead. Why the super Vic over the Holley Hi Ram ?

And this will not be going on a gto, replacing the LS1 in my nova.

Thanks

Rise of the Phoenix

iTrader: (27)

I don't know much about the Holley High Ram to be honest. It may do just as well as a Super Vic.; I'm just not sure. Hopefully one of the vendors will come into this thread and help you out. Do you know who you plan to spec the cam? If you do, hit them up and pick their brain on which intake would be better.

KCS

iTrader: (20)

I'd prefer the Holley over the Edelbrock, especially if you use a top for a 4150 or 4500 style throttle. It's extremely tall, but the airflow path is really straight and the plenum is much larger.

Smo's04Gto

iTrader: (8)

Talking with kip @ cam motion about a LLSR package.

Rise of the Phoenix

iTrader: (27)

He'll take good care of you and can give you his thoughts on which of the two would be the better intake.

Jimbo1367

Glad to see Kips LLSR might be going in. That is a no brainer IMO

BOLO

iTrader: (40)

I'm building a 416 with MAST LS7 265 11 degree medium bore heads, along with their LS7 4500 efi 2 piece intake as well. And will be running a custom LLSR from Kip@Cam Motion. Glad to see someone with a similar combo in mind.

Rise of the Phoenix

iTrader: (27)

Those are two big money builds right there. I'm jealous.

Gray86hatch

iTrader: (83)

Go with the mast. It is worth 30 hp over the edelbrock.

It is a bunch of money but you spent good money on the heads. Also the converter is going to be way off.

Tim

BOLO

iTrader: (40)

Absolutely. Tim is right, the heads will require a matching intake to work as a combo! Thats why I went with their LS7 intake. No need to port match, it blends flawlessly.

Smo's04Gto

iTrader: (8)

What are your thoughts on the convertor?

Gray86hatch

iTrader: (83)

It needs to stall within 1000 rpm of your shift point. You are 3000 from that.

Tim