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#1059699 - 11/03/18 04:35 PM Question for you LS guys  
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Richie Cat Offline
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Hi
Found videos of people shaving the top of truck intakes. After doing that, how much clearance would you have compared to a car manifold ?
Thanks


83 SC, 355 w/TPI
#1059710 - 11/05/18 03:15 AM Re: Question for you LS guys [Re: Richie Cat]  
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spacemanspif Offline
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Shaving truck intakes is only for looks. You might gain 1.5” of clearance but that would be it. Car intake barely sits higher than the coil packs. But if you can fit it, the late model truck intake is the best stock option for area under the curve.


-Mike

F-body bucket seats, camaro console, carb'd 5.3/4L80E swap

Fastest time to date: 13.671 @ 103.79
Best r/t: 0.007 I got lucky smile

Killed a few cones too

#1059714 - 11/05/18 01:43 PM Re: Question for you LS guys [Re: Richie Cat]  
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Richie Cat Offline
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Thanks for your answer.


83 SC, 355 w/TPI
#1059715 - 11/05/18 02:45 PM Re: Question for you LS guys [Re: spacemanspif]  
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MC96 Offline
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St. Johns MI
Originally Posted by spacemanspif
Shaving truck intakes is only for looks. You might gain 1.5” of clearance but that would be it. Car intake barely sits higher than the coil packs. But if you can fit it, the late model truck intake is the best stock option for area under the curve.



Would that be the "TBSS intake" (trailblazer ss) or is that a separate intake?


86 SS
400SBC, 4l80e, MSD Atomic injection/trans controller, Tilt glass clip, all tubular arms, corvette brakes, 9" rear
In progress
#1059717 - 11/05/18 04:42 PM Re: Question for you LS guys [Re: Richie Cat]  
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Hunter79764 Online content
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Grand Prairie, Tx
Stock early truck intake and cheap adapter plates on mine, the "Vortech" cover doesn't fit, and I had to trim about 1/8-1/4" off of the tallest bosses to fit under the hood bracing. I had more clearancing to do with the alternator than the intake. "Shaving" is for appearance, although it does take care of any potential clearance issues.
Not sure about TBSS vs later trucks, I think they are similar but I don't remember one way or the other.


Sometimes you just need a bigger hammer...

'85 MC with budget 5.3L swap, TH350 with stock 2.14 rear end
It ain't much off the line, but it's nice on the highway
#1059755 - 11/08/18 06:11 PM Re: Question for you LS guys [Re: spacemanspif]  
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86SS86LS Offline
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Originally Posted by spacemanspif
Shaving truck intakes is only for looks.


Even the shaved truck intakes look ugly. Its like putting lipstick on a pig......if you are going to run the truck intake....just run it as is IMHO.

#1059756 - 11/08/18 06:15 PM Re: Question for you LS guys [Re: Hunter79764]  
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86SS86LS Offline
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Originally Posted by Hunter79764

Not sure about TBSS vs later trucks, I think they are similar but I don't remember one way or the other.


Richard Holdener tested both on his engine dyno.......I believe the TBSS intake was the better performer of the 2.....but not by much.

#1059759 - 11/08/18 06:41 PM Re: Question for you LS guys [Re: 86SS86LS]  
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thepezking639 Offline
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thepezking639  Offline
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Originally Posted by 86SS86LS
Originally Posted by Hunter79764

Not sure about TBSS vs later trucks, I think they are similar but I don't remember one way or the other.


Richard Holdener tested both on his engine dyno.......I believe the TBSS intake was the better performer of the 2.....but not by much.


By about 10-12 hp and torque. especially now that they are common in junkyards.

https://www.hotrod.com/articles/20-ls1-intake-manifolds-tested/

TBSS intake fits under a stock hood with holley mounts with 0 modification.

It's generally the best "stock" intake for most applications up to 7k


86 SS 6.0L LQ4, TBSS GEN IV intake, 92mm TB, 30lb injectors, Summit Stage 3 NA Cam, Stainless long tube headers, Stainless 3in exhaust, Microsquirt ECU, Built 200-4R, B&M Megashifter, Torsen LSD, QA1 Lvl 3 Suspension Kit, UMI Front & Rear Braces. Check out my build thread: http://www.pro-touring.com/threads/126188-SSLOW6-0-Build
#1059760 - 11/08/18 07:05 PM Re: Question for you LS guys [Re: Richie Cat]  
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MC96 Offline
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Next question I have just from seeing build threads and whatnot, isnt there a Dorman replacement for the TBSS if so does it meet the OE numbers?


86 SS
400SBC, 4l80e, MSD Atomic injection/trans controller, Tilt glass clip, all tubular arms, corvette brakes, 9" rear
In progress
#1059763 - 11/08/18 07:21 PM Re: Question for you LS guys [Re: MC96]  
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thepezking639 Offline
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Originally Posted by MC96
Next question I have just from seeing build threads and whatnot, isnt there a Dorman replacement for the TBSS if so does it meet the OE numbers?


I dont believe there is a dorman replacement, but all 08-11 5.3 intakes are "TBSS" intakes, so there are millions of them out there.


86 SS 6.0L LQ4, TBSS GEN IV intake, 92mm TB, 30lb injectors, Summit Stage 3 NA Cam, Stainless long tube headers, Stainless 3in exhaust, Microsquirt ECU, Built 200-4R, B&M Megashifter, Torsen LSD, QA1 Lvl 3 Suspension Kit, UMI Front & Rear Braces. Check out my build thread: http://www.pro-touring.com/threads/126188-SSLOW6-0-Build
#1059768 - 11/09/18 01:53 AM Re: Question for you LS guys [Re: MC96]  
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spacemanspif Offline
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Originally Posted by MC96
Would that be the "TBSS intake" (trailblazer ss) or is that a separate intake?


Pezking just answered this. The intake started out on the TBSS but when the big engines went rectangle port heads, they used this intake on all the 5.3s that still used cathedral port heads. Early truck intakes can look pretty good with a shave but there isn’t much hope to make the TBSS intake look good...it’s just a big blob.


-Mike

F-body bucket seats, camaro console, carb'd 5.3/4L80E swap

Fastest time to date: 13.671 @ 103.79
Best r/t: 0.007 I got lucky smile

Killed a few cones too


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