Tbss intake vacuum port Package includes: 1 fitting. See the little rusty knob that's what the plastic vanity cover sits on and then that screw part in front of that is what it screws into and then it towards the back where you see the two screw spots that's what holds the vanity cover on and it kind of hinges back there and you can fold it up and down once you unscrew the front little wing nut. all that you mention for the 69 Chevelle with a 5. Package includes: 1 plug . Heavier trucks had hydraboost so no port needed. Driver side pvc hose will go to catch then the intake manifold. LS truck intake manifold brake booster vacuum port to 1/2. Oct 26, 2019 · We got the truck back from the shop after getting the top end rebuilt and we had to sort out the PCV system and solve a vacuum leak. its ported to 92mm and its smooth and empty inside . u have some options here. com shiny aluminum aftermarket manifolds at anything but the higher RPM ranges. 0 LS MOTOR CAME out of a 2003 Chevy express van 3500 Im going to put it in a 1969 or 70 Chevy Nova will all this information n part#s work for this custom build or swap work on this car n vehicle I’m trying to build-intake injector fuel rails ECU,Harness w/Tran n w/o trans Harness,throttle body kit. 8L 5. There's no other vacuum lines on it (other than the power brake booster). daily driver i recently just did the tbss intake swap with the flex fuel injectors . Looking to do a Trailblazer intake manifold swap? Then look no further! Almost every detail or concern will be covered in this video. " This was interesting to me as I'm looking to stick this 6. Jun 20, 2018 · Converts vacuum port to 1/2" hose barb. This is the best flowing manifold for your stock or swapped LS powered vehicle if you're looking for torque improvements. If your vehicle has vacuum assisted brakes, this is the fitting you will need to install in place of the hydroboost plug on the intake. Mar 30, 2017 · The new Dorman LS2 intake flowed similarly to the truck intake to a little under . 2008 AWD TBSS 3SS / PCM Attitude V2 / AI Heads / PCM of NC Oil Pickup / Kooks We cover the big differences between your stock intake and the "TBSS" intake manifold, along with what to watch out for when you are performing the swap. New GM intakes (including the one we offer) ship with the hyrdroboost block-off plug in place. If you can confirm that yours does have a fresh air port before the throttle blade then you can use that as your PCV fresh air intake. 0L LQ4. (not quite as much rapping like a glass pack, but deep and throaty like a glasspack at light to mid throttle would be) The Dynomax VT sounds even more Nov 29, 2015 · And also according to the article, the TB SS intake makes "more torque than the GM factory truck intake and even more power than the LS6 intake, offering the best of both worlds. Plugs brake booster hose port . This intake is ported by Chuy's Porting and Performance and ships directly from Chuy once complete (estimated 3-5 business day lead time). However, the benefits may not be as significant if you already have a Jun 9, 2008 · Okay i finally did the TBSS intake swap on my truck and here is a how to if you would like to do this swap on yours also. 06 GTO - stock power, Monster 2, drag tires, 12. In this video we go ove Nov 2, 2010 · This is the famed GM TBSS intake for cathedral port LS engines. . the TBSS/NNBS map sensor is different and will not plug into nbs harness so i reused my stock map sensor. 600 lift, then the truck intake flowed better at higher lift. 8 5. 1975 Vega LQ4/Glide/S480 Save Share Feb 16, 2012 · ANY 07+ cathedral truck intake is the same as a tbss intake. Feb 22, 2012 · Close up of the intake and bottom of nipple - that way we can see if its broken or just pulled out. Aug 6, 2011 · Is the port on the P/S of the OEM intake a vacuum port? That is if you carefully break off the tab sealing it? I thought I remember reading that somewhere on here before and can't find it now. Cap any unused ports. I don't have any pics of the TBSS manifold from my own experience because i have not taken any, but here's one peak speed shop did. I picked up the ported TBSS intake a while back for my older truck but since its gone and im wanting some more power on this new truck I thought of trying it out . ICT Billet LS Truck Intake Manifold Rear Brake Booster Vacuum Port Plug 4. Unported gen lV Later than intended, but here we are. 0L in the old 1979 Sierra Grande build and am looking for the broadest overall curve for both HP and torque. Route the hose in front of the engine harness. These castings are identical with two small exceptions: the ne Jan 10, 2014 · The gen lV intake, stock, has a larger plenum volume, larger hole in the intake tube (the one in the centre where the air comes in) and when ported, doesn't have those humps in between ports. It is considered the best performing stock intake for naturally aspirated engines, making it a worthwhile upgrade for those seeking optimal performance. i have a 06 swb 1500 4x4 silverado . Driver side will be the suction form intake manifold. Once the square port motors took over the intake remained looking the same but change port size, so just make sure its the earlier cathedral version. Aug 25, 2019 · There is a fitting on top of the intake for the PCV line to the driver's side valve cover. I attached a diagram of roughly how things should go. Make sure you get a cathedral port intake manifold, not a square port intake off of Mar 30, 2020 · I dont know what the ports are on your TB, Ive not personally dealt with a Gen 3 TB but I think alot of them had a fresh air PCV port. IMPORTANT NOTE: With GM's discontinuation of the 2007-2009 intake casting, we are now using 2010-2013 intake castings. 0 | eBay Jun 20, 2018 · LS Truck Intake Manifold Vacuum Port Plug . The is the OEM GM brake booster vacuum port for the TBSS/NNBS intake manifold. and now my idle hands between 2000-1500 before it drops to normal. im thinking of keeping the stock fule lines and injectors . 8 with tbss intake , flex fuel injectors , headers , cold air intake , dbw. 811 @ 107 Jul 2, 2024 · The TBSS intake is a substantially improved intake design compared to the stock truck intake, offering increased torque and performance. seeing as i had a tbss map sensor handy, i modified my stock map sensor with the tbss o ring like so (green is off the tbss Nov 4, 2011 · Disconnect the brake booster vacuum hose at the brake booster by depressing the clamp with pliers. Jun 22, 2018 · I have a 6. Nov 19, 2012 · retape it back up and you have everything done except, the throttle body! this is the most expensive part if u choose to run a TB specific for your new intake. . Its a little deeper in tone now, and has a more distinct glass pack type sound to it. Parts you will need are as follows: -TBSS or '07-'14 Intake Manifold, obviously. Aug 31, 2011 · Heads up discontinued porting TBSS intake! Jump to Latest 11K views 38 replies 16 participants last post by DVelasco68 Sep 7, 2011 Mar 30, 2020 · I dont know what the ports are on your TB, Ive not personally dealt with a Gen 3 TB but I think alot of them had a fresh air PCV port. Dec 29, 2011 · Hi guys just wondering if a TBSS intake would be an easy and hp worthy mod on my 08days 5. 4. Compatible with all plastic LS truck intake manifolds with push lock rear brake booster port. Highest Performing factory Cathedral Port Intake. Be sure to stay till th Apr 26, 2020 · Hi everyone i am new to the site . All that is left are 10 8mm bolts holding the intake on. 3 L-LS . Made in Wichita, Kansas From Aerospace Grade, USA Produced, Billet Aluminum. Which vacuum port was it, the one that used to go to the drivers side rear valve cover? Or the one that normaly went to the evap line? Mar 30, 2020 · If you can confirm that yours does have a fresh air port before the throttle blade then you can use that as your PCV fresh air intake. 3 6. i have checked for leaks i am sure there are no vacuum leaks i spent hours with propane torch That is exactly like my 2006 tbss intake. After the oil cap filter is put on plug the hose form the passenger side. TBSS Intake Manifold GM 12580420 Trailblazer SS Cathedral Port Truck 4. If no catch can is used the driver side pvc hose will just go back to the intake manifold ( suction). This guide is for '99-'02 only - there are some differences in the swap for '03-'07 trucks. thats the Jan 1, 2012 · The truck also has a more distinct intake roar (dual quad roar sound), and the exhaust note changed too. Better than the LS1, or LS6 GM manifolds and much better than the china. Oct 5, 2014 · Passenger Side will be your air intake. Dec 17, 2024 · Genuine GM 12580420 TBSS Intake Manifold. Compatible with all plastic LS truck intake manifolds with push lock rear brake booster port . Nov 19, 2012 · reconnect your knock sensor plug, driver side PCV line, and brake booster vaccuum line and now to the map sensor. 3L 6. The gains are supposed to be 15-20rwhp without losing the low end torque like when you go to an LS6i also did a set of P & P 317 heads with the swap so i cant say what Nov 4, 2018 · Likely different part numbers if it has a vacuum port for a brake booster, etc. TBSS just got it first so thats what everyone refers them as. 3 gmc sierra. Made in Wichita, Kansas from aerospace grade, USA produced Jan 1, 2013 · One hose should go from the intake manifold (vacuum side of the TB) to the can. to run your stock 76mm TB, u will need to buy an adapter plate. I connected my canister purge line to the EVAP solenoid. if u notice the nbs intake has 3 bolts for a TB and the nnbs/TBSS intake is 4 bolts. Part Dec 29, 2011 · Hi guys just wondering if a TBSS intake would be an easy and hp worthy mod on my 08days 5. rwqbb xsw sppqjx eayvdna sffoqb qipgbfs xtel yhrkk gppvo udbx