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head and intake is all i need to choose

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Old 01-16-2008, 10:20 AM
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Originally Posted by Drew04GTO
Edelbrock victor jr. efi and a throttle body elbow
does it fit under a stock ws6 T/A hood? I also have a STB.
Old 01-16-2008, 10:22 AM
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Originally Posted by Stang's Bane
Or a ls6. If you are not looking to go over 700-800 RWHP, many,many people jsut stick with the ls6.
I remember seeing this sheet metal intake, I think it was pretty cheap like under $1,000. called the "LS1 Spyder". The one I saw was on a 422ci and it was red. That would be nice to use for a boosted set-up. It was low profile too. I can't find it on the internet anywhere though.

edit....i found it http://www.mrnitrous.com/LS-SPYDER%20MANIFOLD.htm
Old 01-16-2008, 10:47 AM
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Is this it?

head and intake is all i need to choose-427d.gif


D.J.
Old 01-16-2008, 11:02 AM
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Originally Posted by needadvice
does it fit under a stock ws6 T/A hood? I also have a STB.
There's a vendor on this forum that sells low profile throttle elbows that clear the hoods. Yeah... on 2nd thought, I'd really just stick with LS6, Vic jr. requires cutting of the cowl and removal of a wiper. That LS spyder intake manifold seems nice, looks like it leaves a lot to be desired in an intake though.
Old 01-16-2008, 11:07 AM
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why do u lose low and mids with a sheet-metal intake? Would sheet metal be a good choice for FI, and why?
Old 01-16-2008, 11:19 AM
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Originally Posted by Johny GTO
why do u lose low and mids with a sheet-metal intake? Would sheet metal be a good choice for FI, and why?
Runner lengths change where power and torque come in I guess. Sheet metals have shorter runners so they make more power at higher rpm's.

I don't think it matters what kind of intake you use for boost, no loss of low/mid or anything sinced the air gets jammed through no matter what rpm your at. And a sheet metal is stronger for making alot of boost and power up over 1,000 rwhp. Plastic intakes have broken/cracked under alot of boost.

Thats how i undrrastand it.
Old 01-16-2008, 11:20 AM
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You won't always lose low/mid RPM power with a sheet metal intake. 95% of the time you do to make more power up top. This is done by altering the intake length (distance from back of intake valve to plenum) to suit an RPM range more optimal for high RPM/large CID LS1's. I'm probably sticking with the LS6 in my application because I'll be more than happy with the power I'll make with it, and it seems like its tuned better at lower rpm, and out of boost situations than any other intake unless I make a sheetmetal one myself.
Old 01-16-2008, 12:16 PM
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Originally Posted by Drew04GTO
You won't always lose low/mid RPM power with a sheet metal intake. 95% of the time you do to make more power up top. This is done by altering the intake length (distance from back of intake valve to plenum) to suit an RPM range more optimal for high RPM/large CID LS1's. I'm probably sticking with the LS6 in my application because I'll be more than happy with the power I'll make with it, and it seems like its tuned better at lower rpm, and out of boost situations than any other intake unless I make a sheetmetal one myself.

So with the Borg Warner S80 on a 370ci iron block, AFR heads and an LS6 intake...what compression would you go with for a daily driver/street car?

and what rwhp do you think it would make at a reliable amount of boost? What psi woudl that be?

Figure sue with the OFI single kit, that thing looks nice!!!!!

This is what I'm 95% sure i'm gonna do instead of N/A + spray.
Old 01-16-2008, 12:42 PM
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~9:1 compression, 14 ish psi of boost and methanol injection. Can't say exactly how much power it'll make but it'll atleast be your goal.
Old 01-16-2008, 04:35 PM
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Originally Posted by Drew04GTO
~9:1 compression, 14 ish psi of boost and methanol injection. Can't say exactly how much power it'll make but it'll atleast be your goal.
Is 14 psi all that S80 can muster with a 370ci? Will it make 800 RWHP on pump gas through an A4?
Old 01-16-2008, 06:55 PM
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No, that s80 will support much more than 14 psi. Was just saying 14 for some pump gas friendly numbers. I hate estimating power on a car over the net because there's a stupid ammount of variables that can go into it. But just an estimate high 600's/low 700's on pump easily and 1000+ on good gas.
Old 01-16-2008, 11:32 PM
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Originally Posted by Drew04GTO
No, that s80 will support much more than 14 psi. Was just saying 14 for some pump gas friendly numbers. I hate estimating power on a car over the net because there's a stupid ammount of variables that can go into it. But just an estimate high 600's/low 700's on pump easily and 1000+ on good gas.
I see, cool.

Everything you mentioned in that list of parts is the easy part. Its the piping for the turbo kit that I don't know where to turn. Buying the OFI kit I guess would be best but I think that'll blow right past my $14K budget.
Old 01-16-2008, 11:54 PM
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What area are you local to, there might be a turbo/speed shop near you that can help you out. Piping is actually pretty easy, would be a good project if you're interested in learning how to fabricate and stuff. Might not turn out the prettiest the first time but they'll be functional.



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