Box Section Exhaust Manifold OM606

STD Tuning Engine Box Section Exhaust Manifold OM606

Box Section Exhaust Manifold OM606

Box Section Exhaust Manifold OM606

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Naturally-aspirated

20

03-21-2018, 04:27 PM #1

Hi all, wondered whether anyone had ever experimented with an exhaust manifold made of welded plate steel? I can buy a manifold flange for around £50 Euro. Also is the manifold bolt pattern different on turbo/non turbo 606?
Thanks

This post was last modified: 03-21-2018, 04:31 PM by engineengineer.

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engineengineer

03-21-2018, 04:27 PM #1

Hi all, wondered whether anyone had ever experimented with an exhaust manifold made of welded plate steel? I can buy a manifold flange for around £50 Euro. Also is the manifold bolt pattern different on turbo/non turbo 606?
Thanks

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AlanMcR

mind - blown

400

03-21-2018, 07:12 PM #2

Seems like that would flow quite differently than a tube manifold. I doubt it would be better.

I believe that the exhaust manifold mounting bolts for the NA and turbo are the same.

AlanMcR

03-21-2018, 07:12 PM #2

Seems like that would flow quite differently than a tube manifold. I doubt it would be better.

I believe that the exhaust manifold mounting bolts for the NA and turbo are the same.

NZScott

HX30W 73/44mm

398

03-21-2018, 09:34 PM #3

You're going to get terrible efficiency with a big open space for the exhaust gases to slow and expand into. But I cringe at rear mounted turbos.

I remember reading a forum about a guy who made a turbo manifold out of actual box section for a Toyota H diesel. So that's been done.

1978 300D, 373,000km... OM617.912 with a Holset HX30W, 7.5mm IP, 711.113 5 speed (project car, 7 years off the road and counting ;/)
1977 250 270,000km (parts car)
1977 300D (ex 280) 500,000km
1981 240D 498,000
1975 HJ45 ???,000
2001 2.8TD Rodeo 4x2 - 456,000 - DD

NZScott

03-21-2018, 09:34 PM #3

You're going to get terrible efficiency with a big open space for the exhaust gases to slow and expand into. But I cringe at rear mounted turbos.

I remember reading a forum about a guy who made a turbo manifold out of actual box section for a Toyota H diesel. So that's been done.

1978 300D, 373,000km... OM617.912 with a Holset HX30W, 7.5mm IP, 711.113 5 speed (project car, 7 years off the road and counting ;/)
1977 250 270,000km (parts car)
1977 300D (ex 280) 500,000km
1981 240D 498,000
1975 HJ45 ???,000
2001 2.8TD Rodeo 4x2 - 456,000 - DD

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