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Joined: Jan 2005
Posts: 110
CEG\'er
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They were brought up not too long ago. Instead of paying in the ballpark of $1000 for a header that probably doesnt fit our cars, why not mod a set of WR's. Cut off the collecter, extend the pipes around the oil pan on the front bank and make a new collector. On the rear bank extend them down further then run them back to another collector. Ideally this would need to be on a true dual setup because of space.
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Joined: Sep 2002
Posts: 9,065
Hard-core CEG'er
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Hard-core CEG'er
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Would there be any real gains as opposed to running T duals with the MSDS or WR headers?!?!
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Joined: Jan 2005
Posts: 110
CEG\'er
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CEG\'er
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Originally posted by MapOfTaziFoSho�©:
Would there be any real gains as opposed to running T duals with the MSDS or WR headers?!?!
Upper RPM's when the engine is really working. I've been fooling around w/ dyno sim software. Gains from 4.5K and above. There was a peak gain of 12hp at 6.8K and above and an average of 6+hp from 5.5K and above. The torque curve is also held a few hundred RPM longer and higher as well.
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Joined: Sep 2000
Posts: 9,602
Hard-core CEG'er
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Hard-core CEG'er
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Originally posted by rac74:
Originally posted by MapOfTaziFoSho�©:
Would there be any real gains as opposed to running T duals with the MSDS or WR headers?!?!
Upper RPM's when the engine is really working. I've been fooling around w/ dyno sim software. Gains from 4.5K and above. There was a peak gain of 12hp at 6.8K and above and an average of 6+hp from 5.5K and above. The torque curve is also held a few hundred RPM longer and higher as well.
Try it in a real world setting mounted on a tranverse engine once. 
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Joined: Jan 2005
Posts: 110
CEG\'er
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CEG\'er
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How is there no gain on a transversely mounted motor?
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Joined: Sep 2000
Posts: 9,602
Hard-core CEG'er
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Hard-core CEG'er
Joined: Sep 2000
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Originally posted by rac74:
How is there no gain on a transversely mounted motor?
The problem is that both bank are not going to have "matching" sets of headers. Long haphazardly bent tubes are highly over-rated considering that equal flow and velocity are what matter when making headers of any length.
The best setup you could make is an equal, mid length primary, 1.675" tubed header that used a custom Y-pipe or dual exhaust. There is room on both sides to move the collector down and to the center.
That is the setup that would give the best overall output.
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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