Best intake for BOOST?
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Staging Lane
Joined: Jan 2016
Posts: 78
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Best intake for BOOST? hi guys! I have a Gen IV 5.3 with forged pistons and rods, going to be running twin 6266 turbos, I had purchased a FAST 92mm intake a while back before I got all the Engine work done, I was recently told that that intake wont work (not recommended) for my setup since its a 2 piece design and plastic and all that. My power goals are 1000hp. I still dont have heads either, so Im open to cathedral or rectangle port (also open to head suggestions). I was told to either run a stock intake or some sort of aluminum intake. What do you guys think/recommend would be the best intake manifold for my setup?
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Joined: Mar 2014
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From: Ohio
Because when your turbos are deciding how much air to force feed the engine, it doesn't really matter how much air it was able to swallow on its own.
Almost all of the stock intakes have been in the 7s. LS1, LS6, Truck, etc. They're cheaper, fit better, easier to find, weigh less, heat soak less, take fewer special fittings, and you probably already have one somewhere.
Almost all of the stock intakes have been in the 7s. LS1, LS6, Truck, etc. They're cheaper, fit better, easier to find, weigh less, heat soak less, take fewer special fittings, and you probably already have one somewhere.
Depends what you want to rev it to... below 6k all the OEM units are hard to beat. TBSS truck intake being the best I'm aware of for a cathedral port. If you plan run the RPM up past 6800ish.... start looking at aftermarket.
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Thread Starter
Staging Lane
Joined: Jan 2016
Posts: 78
Likes: 1
Because when your turbos are deciding how much air to force feed the engine, it doesn't really matter how much air it was able to swallow on its own.
Almost all of the stock intakes have been in the 7s. LS1, LS6, Truck, etc. They're cheaper, fit better, easier to find, weigh less, heat soak less, take fewer special fittings, and you probably already have one somewhere.
Almost all of the stock intakes have been in the 7s. LS1, LS6, Truck, etc. They're cheaper, fit better, easier to find, weigh less, heat soak less, take fewer special fittings, and you probably already have one somewhere.
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Staging Lane
Joined: Jan 2016
Posts: 78
Likes: 1
hmmm ok ok, and if I do go past 6800ish what would be a good aftermarket intake?
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Joined: Mar 2014
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From: Ohio
Even with intakes like the Holley Hi-Ram or Edelbrock Pro-Flo, you're looking at about 500 RPM worth of gains compared to losses everywhere below that. Decide if the up top gains are worth the cost and effort, where your shifts will fall to, where you will launch. Even then, intakes like the gen 4 truck intake will beat out most aftermarket intakes as the all-around performer.
Depends how high U want to rev it and how much money you have. Shorter the runner the higher the range in general. So something like a Holley high ram would be a good place to start. You can spend $600 to 3000+ on a custom sheet metal deal. On stock block stuff I can't see spending the money.
The NEW cheapie JEGS/SUMMIT china short runner intakes are the route I'd go if anything. Usually give up 30-40 NA HP in general below 6k with them. But if you plan to rev it to 8k like these SBE guys are doing these days it seems like an OK option to me.
Jegs sells them for $379 now I believe. But you need to price out a throttle body, fuel rails, etc as well. So it can get spendy quick.
These are pretty heavy duty, not likely to split or anything weird IMO.
https://www.jegs.com/i/JEGS-Performance-Products/555/513050/10002/-1?CAWELAID=230006180040252396&CAGPSPN=pla&CAAGID=4 4693592161&CATCI=aud-67754331191:pla-215314521911&CATARGETID=230006180039219312&cadevic e=c&gclid=EAIaIQobChMIypu07tjE2wIVA7bACh2zzwJ8EAQY AyABEgJcvPD_BwE
Which is the same dang thing as the china stuff on EBAY I think...
https://www.ebay.com/i/262776964318?chn=ps
The NEW cheapie JEGS/SUMMIT china short runner intakes are the route I'd go if anything. Usually give up 30-40 NA HP in general below 6k with them. But if you plan to rev it to 8k like these SBE guys are doing these days it seems like an OK option to me.
Jegs sells them for $379 now I believe. But you need to price out a throttle body, fuel rails, etc as well. So it can get spendy quick.
These are pretty heavy duty, not likely to split or anything weird IMO.
THIS IS THE NEWER DESIGN CONSTRUCTED OUT OF 3MM THICK ALUMINUM AND ARE RATED TO OVER 30lbs OF BOOST.
Which is the same dang thing as the china stuff on EBAY I think...
https://www.ebay.com/i/262776964318?chn=ps
Last edited by Forcefed86; Jun 8, 2018 at 01:39 PM.
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Joined: Mar 2014
Posts: 7,192
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From: Ohio
Depends how high U want to rev it and how much money you have. Shorter the runner the higher the range in general. So something like a Holley high ram would be a good place to start. You can spend $600 to 3000+ on a custom sheet metal deal. On stock block stuff I can't see spending the money.
The NEW cheapie china short runner intakes are the route I'd go if anything. Usually give up 30-40 NA HP in general below 6k with them. Jegs sells them for $379 now I believe. But you need to price out a throttle body, fuel rails, etc as well. So it can get spendy quick.
These ar epretty heavy duty, not likely to split or anything weird IMO.
https://www.jegs.com/i/JEGS-Performa...yABEgJcvPD_BwE
The NEW cheapie china short runner intakes are the route I'd go if anything. Usually give up 30-40 NA HP in general below 6k with them. Jegs sells them for $379 now I believe. But you need to price out a throttle body, fuel rails, etc as well. So it can get spendy quick.
These ar epretty heavy duty, not likely to split or anything weird IMO.
https://www.jegs.com/i/JEGS-Performa...yABEgJcvPD_BwE
They shift power so high, most guys aren't revving high enough to see any gains over a stock truck intake. Even the taller versions were only gaining at 6500+.
Holdener recently did another one of his massive intake tests, but this time with boost. I won't spoil the surprises (since he hasn't publicly shared the results), but I'd recommend avoiding the headache of the china intakes and just get the cheapest one that works.
I have, and I agree, but power from 3800 to 5800 isn't where I have an issue. I'm usually just fighting traction there and have to dumb down the tune to plant the tire. The new trend seems to be big RPM and the OEM intakes aren't happy much past 6500. (none of mine are anyway) Not that it won't go there... but if I was shooting for 1000+hp on a "built" 5.3 I'd want to rev it out pretty good. A hood that closes it s plus too. The truck stuff takes up alot of space.
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Joined: Nov 2003
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From: Norn Iron
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Stay away from the Chinese fabricated intakes. Headaches, bad fitment, lots of weird noises, sometimes they blow apart, and you'll see almost no real gains with a turbo.
Even with intakes like the Holley Hi-Ram or Edelbrock Pro-Flo, you're looking at about 500 RPM worth of gains compared to losses everywhere below that. Decide if the up top gains are worth the cost and effort, where your shifts will fall to, where you will launch. Even then, intakes like the gen 4 truck intake will beat out most aftermarket intakes as the all-around performer.
Even with intakes like the Holley Hi-Ram or Edelbrock Pro-Flo, you're looking at about 500 RPM worth of gains compared to losses everywhere below that. Decide if the up top gains are worth the cost and effort, where your shifts will fall to, where you will launch. Even then, intakes like the gen 4 truck intake will beat out most aftermarket intakes as the all-around performer.
Think his previous posts he had used the Holley race Sniper intake ?
https://ls1tech.com/forums/forced-in...rk-needed.html
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Depends how high U want to rev it and how much money you have. Shorter the runner the higher the range in general. So something like a Holley high ram would be a good place to start. You can spend $600 to 3000+ on a custom sheet metal deal. On stock block stuff I can't see spending the money.
The NEW cheapie JEGS/SUMMIT china short runner intakes are the route I'd go if anything. Usually give up 30-40 NA HP in general below 6k with them. But if you plan to rev it to 8k like these SBE guys are doing these days it seems like an OK option to me.
Jegs sells them for $379 now I believe. But you need to price out a throttle body, fuel rails, etc as well. So it can get spendy quick.
These are pretty heavy duty, not likely to split or anything weird IMO.
https://www.jegs.com/i/JEGS-Performa...yABEgJcvPD_BwE
Which is the same dang thing as the china stuff on EBAY I think...
https://www.ebay.com/i/262776964318?chn=ps
The NEW cheapie JEGS/SUMMIT china short runner intakes are the route I'd go if anything. Usually give up 30-40 NA HP in general below 6k with them. But if you plan to rev it to 8k like these SBE guys are doing these days it seems like an OK option to me.
Jegs sells them for $379 now I believe. But you need to price out a throttle body, fuel rails, etc as well. So it can get spendy quick.
These are pretty heavy duty, not likely to split or anything weird IMO.
https://www.jegs.com/i/JEGS-Performa...yABEgJcvPD_BwE
Which is the same dang thing as the china stuff on EBAY I think...
https://www.ebay.com/i/262776964318?chn=ps
With hindsight...I sort of wish I'd bought the ProFlo, the quality on the Chinese is just poor, although their heights are more user friendly.