tony1784

i have a set of 243s milled to a 53cc chamber, how much were they milled?
will i have sealing issues with a LS6 intake?

1BAD98LS1

iTrader: (33)

They were milled quite a bit, sealing will be an issue with the composite intake

tony1784

well ****! lol.

what other intakes are better for this situation?

1BAD98LS1

iTrader: (33)

Edelbrock Vic Jr / Supervic Alum intakes. I personally would go supervictor...

rawlsfwqq

I have no idea what to make of this.

RobsZ28

iTrader: (3)

I had my 243's milled to 60cc and the machine shop said they milled them .020. So that would be .005 milled for 1cc I would say a rough guess is that your heads were milled approximately .045.

tony1784

how do i keep that under the cowl?

Rise of the Phoenix

iTrader: (27)

You'll have to do some cutting. If you get the Scorpion 4150 TB, it will fit, or so I've been told by people who run that setup.

tony1784

****, really didnt want to cut up the cowl

what about one of these?

Rise of the Phoenix

iTrader: (27)

You'll lose a lot of power with the elbow. Some have lost as much as 50 HP.

tony1784

holy ****. yeah dont want that to happen..

what do you run as a air filter if i use a 4150 style throttle body?

Rise of the Phoenix

iTrader: (27)

Check out the thread in the internal engine section on here. There is a guy running a super Vic with a 4150 TB and he has a very small filter he runs on the street. No idea what brand it is or where he got it at.

tony1784

after thinking about it, and seeing those pictures of what people cut to make a 4150 work on their f-body, i really dont want to do that, is there any other options as far as a long runner style intake that will still fit under a stock cowl and hood?

LS1MCSS

iTrader: (18)

It doesn't matter what kind of intake you run, you're still going to have sealing problems. Those heads have had a lot milled off of them.

Rise of the Phoenix

iTrader: (27)

That is true, but an aluminum intake can be milled to fit the heads. Can you mill a plastic intake; I guess you can, but I sure wouldn't take that risk.

dr_whigham

iTrader: (49)

ProFlow XT?

Also, you CAN mill the face of the intake to get it to line up better. Another thought...

AGearHead4Life

iTrader: (5)

I've milled my heads .045" with a LS6 intake and no noticalbe sealing problems yet.

AGearHead4Life

iTrader: (5)

I would have guessed that's a .060" mill.

AGearHead4Life

iTrader: (5)

usually around .007" per CC. Your stock heads are about 64cc. Subtract 53cc leaves 64-53=11. So the missing 11cc mulitplied by .007 = .077.

But that just doesnt sound right. Sounds like too much. So I adjusted my guess to .060. That'd be .0055 per CC. .0055 x 11 = 0.0605"mill or "60 thousandths".

I also adjusted the guess down because Robsz28 got .005" per cc. But If Rob is right and its only a .045" mill, you should have no problem running your LS6 intake on them. I'm doing it right now.

IllusionalTA

iTrader: (9)

You you can use a rough .006 per cc but as the chamber goes horizontal you'll begin to suck up more cc per thou in the mill.. give it a shot as far as plastic goes you'll probably have issues with the locators on the intake, mill the intake face on heads and you can get it done if you dobt wanna chop the cowl