Truck Manifold Turbo Set up FAQ's - LS1TECH - Camaro and Firebird Forum Discussion

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Truck Manifold Turbo Set up FAQ's

Old 05-16-2006, 11:58 PM
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Default Truck Manifold Turbo Set up FAQ's

Well I'd guess its about time to do this as its asked quite often.

A nice option for those who are budget minded or a good do it yourselfer, is to get into forced induction by fabbing up a turbo kit of your own.

A great way to do this is by using GM truck exhaust manifolds for your turbo manifolds. This is by far a great way to make big HP and be reliable as well.

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What year truck manifolds do I need to get? From what engine size too?

Basically you want to stay away from any truck manifold that has AIR/EGR ports.
02+ are good sources, from 4.8-6.0 trucks will work. Be sure to get the heat shields with them too.

What else would I need to get to start fabbing up my own set up?
You will need two outlet flanges for your crossover pipe. These are available from our Sponsor, Stainless Works.
PN#'s are
FLNGCDH
FLNGCPH
Price @35 ea.

Exhaust tubing mild or stainless, its up to you. 2.5 OD is plenty big for the crossover. Buy variety of bends and a few straight sections. Stainless works again will have these materials.

T4 or T6 Mounting flange, depends on what turbo you get/hp goals. Various turbo places will have these, forced inductions and stainless works.

Wastegate, they usually come with a mounting flange so thats taken care of. Can be found at a Forced Inductions or some of our other sponsors.

What do I need to do to make them fit on my 4th LS1 F body?
Just mount them facing foward.

Stock K member cars will need to have the K member notched on the passenger side to accomodate the outlet of the truck manifold. This is quick and easy to do.

Aftermarket K member cars have nothing to worry about, room is plentiful.

Powersteering lines will have to be rerouted or even extended. Careful bending will usually get them out of the way.

Oil dipstick will also have to be gently bent and reshaped to fit around the reward facing passenger manifold. Take your time and it will bolt up like stock or get an aftermarket braided hose dipstick tube assembly.

Two or more O2 bungs for O2 sensors, mount these as close to the outlet of the manifold as possible also available from Stainless works.

Heatshielding for lines, wires and turbo pipes is not mandatory but is a good idea on any turbo kit. Header wrap on the crossover keeps engine bay temps down and heat in the crossover where it needs to be. Coating is a great option as well but adds co$t to your set up.

An aftermarket fan arrangement is often needed as well. Fans usually have to be mounted in a pusher arrangement. If at all possible keep the stock fans. If not possible a good set of pushers are FAL-240's. They fit in front of the radiator nicely. A few of us have done a radiator relocation, depending on the person this is also a good alternative since you can keep the fan(s) in a puller type configuration.

What will I lose or have to relocate if I go this route?

You will lose your a/c, as the truck manifold goes right where the a/c compressor sits.

You will have to relocate your alternator to the top passenger side of the head. A few places have an alternator relocation bracket. One can be easily made as well.

What kind of dependability do these manifolds have?

Being a cast manifold means they are plenty strong and durable for a daily driver. Worries of cracking or heat fatigue will be greatly reduced.

Spark Plug access is just like it would be on a stock LS1. 30 minute plug changes and no special sparkplug wires are needed as the stock ones work great.

What kind of power will these manifolds support?

More than most of us will ever need, 1000+ has been done with the truck manifolds.

Can I do a twin turbo set up with truck manifolds?

Yes, a few members have done this quite nicely.

Do I need to make new powersteering lines to clear the driver side truck manifold?

No not really some careful bending will give you the clearance you need BUT if you want to make new lines here is a PN list. Everything can be ordered from summitracing. Thanks goes to Brains for this list:

2 x EAR-991955ERL (M16x1.50 o-ring to -6AN Male) - rack return, pressure side of pump
1 x EAR-991956ERL (M18x1.50 o-ring to -6AN Male) - pressure side of rack
3 x RUS-620421 (90 degree -6 hose ends) - Both rack ports, pressure side of pump hose ends
1 x RUS-620401 (Straight -6 hose end) - Hose to pump reservoir, along with
RUS-670300 (Straight -6 to hose barb) - Braided line to rubber hose, which clamps to reservoir fitting
1 x RUS-632610 (6 foot section of power steering hose)
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Hope this helps a few of you out there that are interested in persuing a DIY turbo kit.

Jeremy

Last edited by frcefed98; 02-02-2007 at 09:23 PM.
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Old 05-16-2006, 11:59 PM
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due to comcast erasing all my pics.....i'll have to reshoot em and rehost em...sorry

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Old 05-17-2006, 12:57 AM
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wickedred submitted his pics for reference, Thanks Wicked



















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Old 05-17-2006, 01:03 PM
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might as well put some more pics in
here is the imfamous ohio boy's CE posted in another thread















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Old 05-17-2006, 01:07 PM
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Old 05-17-2006, 01:14 PM
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ohio boys old formula (RIP )
Attached Thumbnails Truck Manifold Turbo Set up FAQ's-ms1.jpg   Truck Manifold Turbo Set up FAQ's-ms4.jpg   Truck Manifold Turbo Set up FAQ's-racer01.jpg   Truck Manifold Turbo Set up FAQ's-racer03.jpg   Truck Manifold Turbo Set up FAQ's-racer14.jpg  

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Old 05-17-2006, 01:18 PM
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more of steves formy
Attached Thumbnails Truck Manifold Turbo Set up FAQ's-t883.jpg   Truck Manifold Turbo Set up FAQ's-t884.jpg   Truck Manifold Turbo Set up FAQ's-tf-ypipe-sml.jpg   Truck Manifold Turbo Set up FAQ's-stevemuffler-sml.jpg  
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Old 05-17-2006, 01:26 PM
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Old 05-17-2006, 03:43 PM
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Damn Smokin, you have quite the cache of pics there

I have a few as well, but I was waiting for permission from the respective owners to post em up. Didn't see how it would hurt but wanted to wait for those PM's anyway...grab the bulls by the horn ehh?

Glad you posted up your set up in there and the big boys as well. Shows the DIY'er just how much potential these manifolds have

J
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Old 05-17-2006, 10:16 PM
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Originally Posted by smokinHawk
might as well put some more pics in
here is the imfamous ohio boy's CE posted in another thread




Here are some more of the Ohio Boy's CE car.















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Old 05-23-2006, 03:25 PM
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Any more members out there that did the truck manifold turbo set up? I'd like to get more pics of the members who did this type of build up in their garages. PM me the pics you have of your homebuilt truck manifold set ups.
J
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Old 10-18-2006, 01:36 PM
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here are some pics of just the manafolds.
Attached Thumbnails Truck Manifold Turbo Set up FAQ's-ps_53v60.jpg   Truck Manifold Turbo Set up FAQ's-ps_53v60_2.jpg   Truck Manifold Turbo Set up FAQ's-ds_53v60.jpg  
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Old 10-18-2006, 02:26 PM
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Guess that shoulda been in the first part of the FAQ huh
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Old 04-06-2007, 08:44 PM
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Another nice DIY Truck manifold LS1 fbody set up done by
code4

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Thanks code4 for the awesome pics, i'm sure #'s are around the corner on this set up.

J
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Old 05-13-2007, 07:31 PM
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Coated hotparts by FX coating

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Old 08-24-2007, 01:18 AM
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Again for those of you out there thinking you need fancy crack prone tubular headers to make big power, think again.

Some updated numbers from HUNTER02SS
18lbs of boost 922rwhp and 842rwtq!!


Awesome numbers Chris, keep it up!
Jeremy
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Old 11-07-2007, 07:01 PM
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To those who can't see the pics listed under my screen name, please click on the red x or question mark(depending on your OS) and open in the pics in another window, they will show and usually after you do that they will all pop up. It does this on my dads computer at his house and after I open a pic up in another window the pics magically appear in the post


The problem probably lies with my host, comcast. I haven't taken any pics down. IF they are listed in another screen name and show up as a "x" then that person quit hosting those pics. These pics were all suppose to be hosted by LS1tech, but it never happened. Sorry.
J
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Old 11-20-2007, 08:09 PM
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Originally Posted by frcefed98 View Post
Again for those of you out there thinking you need fancy crack prone tubular headers to make big power, think again.

Some updated numbers from HUNTER02SS
18lbs of boost 922rwhp and 842rwtq!!


Awesome numbers Chris, keep it up!
Jeremy
HUNTERS NEW NUMBERS

18PSI-1089whp and 1056wtq!!
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Old 03-16-2008, 11:44 PM
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Look for a decently complete write up on how to do/whats needed/step by step pictorial and write up by members broke EF and Sideways240sx to be added to this sticky. Should give members a nice "how to" with pics on doing a truck manifold set up.

J
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