I wanted to put this out there for anyone. I am making headers for my car and will be getting flanges made. Anyone want a set? I am using 3/8" thick stainless. They will either be laser or waterjet cut. I am doing this in the next couple of days so speak up if you want some.

Price? I'm most definately interested

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1993 190E 2.6 Sportline

I am having the first set made. I think they should be around 150.00+ materials. So less than 200.00 total. A little less if more are made.

dang, is that how much they typically run for 6 flanges?

are you going to use gaskets as a template?

fudge. I am tempted to cut off the stock ones. why not go that route? (sorry I never I taken any engineering classes)

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My assumption is that Whipple is going with 2 flanges covering 3 ports each. That's typically how an inline 6 cyl is done. When I had my turbo adaptor flanges waterjet cut it cost right at 300$ for the 4 pieces. I can vouch that 150$ for two is a reasonable price and Whipple is not trying to stick it to anyone.

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90 300TE 4-M
Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197° intake cam w/20° advancer
Tuned CIS ECU
4° ignition advance
PCS TCM2000, built 722.6
600W networked suction fan
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff

The cost is pretty much straight what it costs to do this as a one off. If I run a batch it would be cheaper. But without running and hundred not by much. The stainless is not cheap either.
I actually cut off stock manifolds to start but found the work involved to get them cleaned up to start welding new pipe in was to much. I could spend 10hrs cleaning old ones up or just make new ones. Time is money. I might run off 3 sets because my buddy wants me to make him some headers and I could sell one set or keep them for some other car project.

Got the final quote and it was going to be 200+ materials. I am getting a qoute for 5&10. It looks like I might get down under 150 per set. I was thinking of just running at least a set of 5 but will go 10 if enough interest. I can probably speak for 3 right now. I am making some headers for a friends 190 with a 3.6 swap after I get mine done. I might do 2 sets.

any thoughts on what you might want for a full set of headers??

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Blue Ridge Mercedes
Jonathan Hodgman
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Well I am going to see how many hours labor I end up with and total material cost. RIght now if I had to take a guess I would say around 1500-1700. It kind of depends how sexy they are too. I was going to try and go for equal length or at least very close and they are going to be sort of a mid length or shorty. I was planning on doing a long tube but that would be out of this world expensive and I am not sure the space is there especially with the steering drag link and idler arm in the way. I will be starting on these as soon as I have the flanges back from the cutter.

Well I got the quote back for the flanges. I can go 200.00 including shipping in the lower 50 in the U.S. for a set if anyone wants. I am going to run 5 sets.

so I think I found my way out of having flanges made, and a way out of constructing a turbo manifold from scratch!

this is a popular method.. and eliminates a lot of work and flows better then a log manifold and maybe just as good as a engineered turbo manifold pulse tuned.

use stock manifolds. use 2inch pipe coming out of the 2 stock manifolds, curve up and connect to the collector.

I just saw this method on my friends E30 bmw 325i , he just fit in a 535 3.5liter 12valve motor and it looks good!

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The problem with the stock manifolds is that they have around a 1.5" exit at the down pipe. This is simply not enough for high hp. The exhaust back pressure is absurd. I have over 10psi at relatively low rpms. The manifolds are good for about 300hp at the crank max.

Well I ran off 5 sets. Turned out pretty nice. Perfecte fit for the 1 7/8 primaries I am using. A little port matching if I want and away I go. Like I said 200.00 if anyone wants a set.

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Well started laying out stuff today. Had to order a few more pieces and some straight pipe. So far I am in this in materials to about 900.00 give or take.
I will see how much I end up using. Fit on the 1.78 pipe to the flanges is nice and tight and welds up easy. The layout is going to be hard. Not a lot of room and I am trying to get close to equal length. This will be an education in patience that is for sure.

getting layout figured out.

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