Building your headers and need AWESOME flanges?
Thread Starter
FormerVendor
iTrader: (14)
Joined: Jun 2008
Posts: 1,765
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From: Homestead, FL
Building your headers and need AWESOME flanges? CNC LSX header flanges
We started cutting these in house as of last week. They are in stock and ready to ship. We also have many other flanges that you might need especially if you are building a turbo kit.
thanks for reading,
Rob
We started cutting these in house as of last week. They are in stock and ready to ship. We also have many other flanges that you might need especially if you are building a turbo kit.
thanks for reading,
Rob
I think the mild steel flanges are a good price. I personally think the stainless flanges are a bit high. For example, for the Nissan VG30E engine, when I need to make custom stainless turbo manifolds, I pay $130 shipped for two water cut stainless flanges for a V6 engine. And the demand for those flanges are far lower than flanges for an LSx based engine.
I see you also sell Vband kits starting at 2.5" Has there been any speculation of possibly doing 2.25" Vband kits? I have read on LS1tech many times over that 2.5" is overkill unless you are trying to make over something like 1500whp. Then again, the 2" Vband kits are going to be too small. Seems like a nice middle ground may be popular?
I see you also sell Vband kits starting at 2.5" Has there been any speculation of possibly doing 2.25" Vband kits? I have read on LS1tech many times over that 2.5" is overkill unless you are trying to make over something like 1500whp. Then again, the 2" Vband kits are going to be too small. Seems like a nice middle ground may be popular?
Thread Starter
FormerVendor
iTrader: (14)
Joined: Jun 2008
Posts: 1,765
Likes: 2
From: Homestead, FL
Ya man 1/2" thick and CNC cut, its a bargain really.
SS bar stock ain't cheap.
Our flanges are ready to weld onto as soon as they come out of the box, ZERO prep work required.
Also you cannot compare water jet to CNC.
Water jetted parts have a draft in them due to the water losing force as it approaches the bottom of the material.
SS bar stock ain't cheap.
Our flanges are ready to weld onto as soon as they come out of the box, ZERO prep work required.
Also you cannot compare water jet to CNC.
Water jetted parts have a draft in them due to the water losing force as it approaches the bottom of the material.
Thread Starter
FormerVendor
iTrader: (14)
Joined: Jun 2008
Posts: 1,765
Likes: 2
From: Homestead, FL
The mild steel we have in stock as of right now are 3/8 thick,
Stainless flanges are 1/2.
We will be making mild steel in 1/2 soon.
The stainless will be 1/2 only.
If you had to buy the carbide tooling for cutting stainless you would understand.
Good MADE IN THE USA parts cost money.
Stainless flanges are 1/2.
We will be making mild steel in 1/2 soon.
The stainless will be 1/2 only.
If you had to buy the carbide tooling for cutting stainless you would understand.
Good MADE IN THE USA parts cost money.
I wasn't "beating him up". I voiced my opinion, which is perfectly acceptable and not disrespectful in any way. He replied with a perfectly acceptable answer explaining WHY laser cutting costs more than water jet. I fail to see the problem here? Further more, I was also bumping his post to the top to get more attention.
Someone also asked if the Nissan flanges are 1/2". Sadly no they are not. They are only 3/8" thick. However, there is no "draft" in them as was mentioned. These are 100% ready to go out of the box as well. These are also made in the USA.
My point was simply that parts for the LSx engine are typically substantially cheaper than most import engines. Doesn't really change anything. His price is what it is and I don't see him changing it.
Some of you guys around here get your panties in a wad FAR too easily.
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FormerVendor
Joined: Feb 2011
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Likes: 1
There is more to a flange than some may think.
Here are some examples of the engineering side of things.
Look at the first pic's, you can see that the bolt hole on the left
is smaller that the one next to it.
This is datum "A". It fits the bolt with less clearance than the others and locates the flange on the head.
The second pic's is datum "B". It lines up the flange parallel with the ports.
Notice it is a "slot", this allowed for thermal expansion.
The rest of the bolt holes are "true holes" and are just for holding the flange to the head.
A guy that fab's a lot of headers can see the value in paying a little more
for a part the is ready right out of the box.
I have used flanges in the past that the holes where so over sized
you could move the flange back and forth 1/4".
We got tired of that so we make our own.
Datum "A"
Datum "B"
Here are some examples of the engineering side of things.
Look at the first pic's, you can see that the bolt hole on the left
is smaller that the one next to it.
This is datum "A". It fits the bolt with less clearance than the others and locates the flange on the head.
The second pic's is datum "B". It lines up the flange parallel with the ports.
Notice it is a "slot", this allowed for thermal expansion.
The rest of the bolt holes are "true holes" and are just for holding the flange to the head.
A guy that fab's a lot of headers can see the value in paying a little more
for a part the is ready right out of the box.
I have used flanges in the past that the holes where so over sized
you could move the flange back and forth 1/4".
We got tired of that so we make our own.
Datum "A"
Datum "B"
Very good point! Looks like you guys put your R&D into this, which would justify the cost. You are correct. Most people will just take an exhaust gasket, and then make a CAD drawing from that and call it good.
Thank you for shedding some more light on these flanges.
Thank you for shedding some more light on these flanges.
I believe I WAS looking into this by replying in this thread. Nobody posted any information regarding the slotting or enlarging of bolt holes so that way when your manifold expands, it does not shear off your bolts. It wasn't until after I made my posts that the info was brought up. It is not even brought up in the product description when you click on the link.
Also, if you have a problem with me, lets please keep it via PM like I started. There is no need to drag this out in this guys thread.
maybe im just a cheap azz ,but i figured i would click and proceed to check out...mild steel flanges were $69 cool...i like
but lets say i wanted stainless and i click stainless if they were $120,damn still pretty cool...but why do i have to pay $69 and $120 for stainless for a total of $189,,am i getting a set of mild steel for free with my order of the stainless...guess i will go mild steel headers instead and have them swain coated
someone show me im not seeing this wrong
but lets say i wanted stainless and i click stainless if they were $120,damn still pretty cool...but why do i have to pay $69 and $120 for stainless for a total of $189,,am i getting a set of mild steel for free with my order of the stainless...guess i will go mild steel headers instead and have them swain coated
someone show me im not seeing this wrong
