This is where a factory looking intake like the Trailblazer SS intake OR Dorman’s factory replacements can come in handy and at a decent price to boot.īut are they any good? The Dorman we mean. Those great looks and performance come at a cost, and for some folks they also come with a tag that won’t allow them on street vehicles in strict states like California. Originally equipped on the 6.0L LS2 Trailblazer SS, this intake is known for its ability to support huge top end power, while maintaining low and midrange torque. This is one of the highest flowing factory intakes available for the LS engines. Choose between 36lb/hr or 50lb/hr injectors. Aftermarket companies like FAST, Holley, and Edelbrock all have great LS intake manifold offerings in all shapes and sizes to not only perform in your application but give you the look you want as well. TBSS/NNBS truck intake manifold assembly, including new fuel rails, and new injectors.
In fact, some of the ugliest factory LS intake manifolds are the best at making horsepower AND torque. Factory intakes often look like crap, especially those designed for the trucks and SUVs, and those that do look good aren’t always the best performers. Looks like I may be picking one of these up soon and possibly selling my ls6 intake.LS intake manifolds are a weird beast. If that's the case I don't see it having a problem making up the few high lift cfm it's lacking. Naturally, all testing was run with the same air/fuel and timing values that maximized power production for each manifold. They say there's a bunch of casting flash and ridges in there. The GM engineers got this one spot on Equipped with the factory LS3 intake and FAST 92mm throttle body, the cammed 6.2L crate motor produced peak numbers of 580 hp and 527 lb-ft of torque. The main thing I gather with the dorman ls2 intake (it's being called LS2d on other forums) is it really needs a lightly cleaning up of the ports. The differences I saw it it pulled higher Roma because I ended up raising my shift points and it made more bottom end because it when from lightly spinning the tires to being able to spin them from a 20 roll and forget about flat footing from a dead. I had a ported throttle body on the stock manifold and a 92mm billet Chinese made (under $100) throttle body on the tbss intake. But I did logs on it with my hp tuners and it was faster to 60mph than the stock manifolds which is claimed to be pretty decent. TBSS/ NNBS Intake Manifold swap GMT-800 Part 1 AnthonyJ350 Alternatively, we have bolts that are compatible with the TBSS intake manifold bolts available for purchase found here Other panelists do not use nitroglycerin in this setting and as big as 8 The issue Im having is the u2 act fuse keeps blowing The issue Im having is the u2 act fuse keeps blowing. I can tell you this, there's something to be said about the tbss intake because I did a swap on my 2000 5.3 silverado and it made a noticeable difference. I already have a new in box 92mm 4 bolt throttle body so that's no issue there. Funny too because I've been doing as much digging on this new ls2 intake as I can and I've drawn some conclusions of my own, enough that I've been looking for the best price so I can pick one up. They have a 90mm throttle body yet get out performed by an intake with a 78mm throttle body (LS6). They might not make "peak" hp as nice as the 102 intakes but the "usable" power in the rpm range isn't far off. Currently: Bone stock and excrutiatingly boring. And a longer belt and 07 TBSS upper radiator hose. The only real minimum requirements are an L92 truck water pump (TBSS 07 or 08) for about 165 and the Spearco (Sparco) Idler relocation bracket for 85. Compatible with TBSS/NNBS/L92. Another comment on the car intake conversion (FAST, etc). Just like the original, direct replacement for your old or broken one,let your car look new. TBSS/NNBS/L92 Intake Manifold Throttle Cable Bracket WITHOUT Cruise Control Z0N0.
#Tbss intake manifold professional#
Easy installation within several minutes, no professional operation. TBSS/NNBS/L92 Intake Manifold Throttle Cable Bracket WITHOUT Cruise Control Z0N0. That's better than anything I've seen so far in dollar to horsepower ratio. Intake Manifold Throttle Cable Bracket for TBSS/NNBS/L92 Features: Adjustable to allow for variances in cable tension. What I never agreed with are the people spending $800+ on a plastic intake & $400+ on a throttle body just to get an extra 20rwhp & tq. It was roughly 10. But they are still bottle necked by the 78mm throttle body. I checked what clearance is currently available by placing playdoh on top of the current intake manifold, closed the hood, then measured the height of the playdoh. LS6 manifolds flow amazing, for what they are. Click to expand.That's the idea, after you've done headers, heads, cam, etc the last go fast parts are throttle body and intake manifold if you didn't do some other power adder that would replace them, aka Nitrous or Forced Induction.
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