What intake for 440ci LS7? Experts inside please....
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What intake for 440ci LS7? Experts inside please.... Needing info for a intake purchase really soon. Engine is a fully forged 440ci warhawk with All pro cnc heads flowing 400+. Solid roller setup, up to 8k rpm flow needed. Factory style efi, so no carb style setup's. What would you all suggest? Pretty much sold on fast 102 setup and port match to heads but wanted to post and checkout here first before making the final call. Lemme know what ya think, thanks and Merry Christmas everyone 
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I have been doing alot of research lately and have just about come to the conclusion the only "real" intake for this combo is a custom sheet metal from Beck or Cary's. Is this a fair conclusion? Also, what gains could be expected from a stock ls7 to a custom sheet metal? Thanks Nate
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Yes for the bigger cube solid roller a Beck or the cast single plane intake from Carey is the way to go. No way I would go with a ported FAST for that motor, not that the FAST isn't a good intake it's just that with the solid roller set up the shorter runners and large plenum of the Beck is just a better choice. Runners are a bit longer on the Carey's but the single plane design and lack of a larger plenum area make it a great choice as well.
If it were me and hood clearance wasn't an issue I would go with the Carey's and a carb style throttle body. The FAST is better suited to a hydraulic set up because of the longer runners.
If it were me and hood clearance wasn't an issue I would go with the Carey's and a carb style throttle body. The FAST is better suited to a hydraulic set up because of the longer runners.
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Hood clearance is an issue and carb setup is out of the question so it sounds like Beck is probably the right choice for me and my combo. Now to find the right deal on a good, used piece to save some coin. Any power gain thoughts on this setup from a stock unported ls7 and t/b to a Becks sheetmetal and 110/115 t.b.? Is 50rw being far fetched?
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yes sir, found alot of usefull info on that thread. BTW, what kind of oiling upgrades need to be done? I know I have heard talk of pumping the pan dry at high rpm's. So what needs to be done to address this? Is running a 1 or 2 more qts safe or does it need further help? Just wanna take advantage of as much possible if this combo, shooting for 700rw n/a on ms109 
marcella intakes he makes the baddest **** on the planet. This is also what phil runs on his LS based radial mustang on the board.
http://marcellamanifolds.net/
http://marcellamanifolds.net/
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From: Texas, Europe, Iraq & Afghanistan
Check out the below LS1Tech.com thread about a 440CI intake. There are all kinds of options discussed.
https://ls1tech.com/forums/generatio...old-440-a.html
https://ls1tech.com/forums/generatio...old-440-a.html
Last edited by Gregory; Dec 27, 2009 at 01:31 AM.
yes sir, found alot of usefull info on that thread. BTW, what kind of oiling upgrades need to be done? I know I have heard talk of pumping the pan dry at high rpm's. So what needs to be done to address this? Is running a 1 or 2 more qts safe or does it need further help? Just wanna take advantage of as much possible if this combo, shooting for 700rw n/a on ms109
Check out the below LS1Tech.com thread about a 440CI intake. There are all kinds of options discussed.
https://ls1tech.com/forums/generatio...old-440-a.html
https://ls1tech.com/forums/generatio...old-440-a.html
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From: Texas, Europe, Iraq & Afghanistan
You might want to check out a two quart Accusump unit. http://accusump.com/
Give the guys a call, they have good answers for problems.
Give the guys a call, they have good answers for problems.
Just put a moroso pan on, the deeper sump and added capacity will solve the issue of sucking the pan dry.
Intake wise, beck or a marcella would get my vote, as long as you're heart is set on not running a carb style (not sure why) that's what you'll want to go with. If the motor is in an F body, cut the cowl so there's more room for the plenum on the back of the intake too, if you don't they'll have to choke down the back which is generally not a good idea for even breathing on all cyl's.
Intake wise, beck or a marcella would get my vote, as long as you're heart is set on not running a carb style (not sure why) that's what you'll want to go with. If the motor is in an F body, cut the cowl so there's more room for the plenum on the back of the intake too, if you don't they'll have to choke down the back which is generally not a good idea for even breathing on all cyl's.
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I guess i should have stated a little earlier, this combo is in a 06 c6 z06. Thats why there is issues with a carb setup and several clearance concerns with the cowl and hood. I have given Beck a deposit to build a custom sheet metal intake for it now. I also have touched base with NW about a 105mm t/b for it since it will be a drive by wire setup also. Hopefully this combo will release the full potential of the motors breathing 
I will update with before/after dyno results when complete. thanks for the suggestions
I will update with before/after dyno results when complete. thanks for the suggestions Vette does make a big difference... makes sense why you want to stay away from the carb type now. Good luck with it, you can certainly make plenty of power with a sheet metal, that's already been proven
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I'm thinking about having this guy make me a set of valve covers and oil pan.
http://www.billetfab.com/index1.htm
http://www.billetfab.com/index1.htm