C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Turbo Project Update

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Old Dec 10, 2004 | 12:12 AM
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Default Turbo Project Update

I made some progress last weekend on the turbo project and I finally got some pics to share.

The first set of pics is here:
http://forums.corvetteforum.com/showthread.php?t=958669


I put a 3 bolt flange on the end of the downpipe to make it bolt up nice. I put an expanded 3.5" piece over it to give a little movement in the joint.


I also put a brace in the bottom of the downpipe to keep it firm. I bolted it to the frame and finally used those useless nuts welded in the frame.



Then off past the tranny




And around the back




Then straiten it out to go to the Y pipe. Through the slip fit connector. Eveverything to this point on the downpipe will be ceramic coated. I also need to weld on the exhaust support bracket similar to the one on the stock exhaust.



And here's the Y pipe that I made up. It's 3.5" in and dual 3" out. I had to ovalize the 3.5" in a bench vice to make it meld into the Y properly. It turned out really slick. Then into the stock exhaust, later this winter I'll put some muffler eliminators on it.




I also got my intercooler in today. Its about 3"x16"x26" from bottom to the top of the pipes and end tank to end tank. The core measures 2.75"x12.75"x20.5". It could have been a little bigger, but it should work nicely.

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Old Dec 10, 2004 | 02:18 AM
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GReat looking project MN...

Mo
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Old Dec 10, 2004 | 10:29 AM
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WOW! Looks great and its good to see that its coming along nicely! Thats a huge intercooler as well!
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Old Dec 10, 2004 | 10:37 AM
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Nice!! The exhaust really looks good!
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Old Dec 10, 2004 | 05:48 PM
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Old Dec 10, 2004 | 05:52 PM
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Originally Posted by crheinish
I thought you are supposed to use stainless or iconel for turbo exhaust?
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Old Dec 10, 2004 | 08:08 PM
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It's probably best, but there are some poor folk out in the world.
After mild steel is coated, it will last a good while. Great lookin project Mn.
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Old Dec 12, 2004 | 03:43 PM
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seroiusly it was $1500 FOR JUST THE MATERIALS! (321 STAINLESS) to build my headers. stupid beer.
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Old Dec 12, 2004 | 03:50 PM
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Originally Posted by Baldturbofreak
seroiusly it was $1500 FOR JUST THE MATERIALS! (321 STAINLESS) to build my headers. stupid beer.

I think the materials for my stuff was around $2-300 for the mild steel. It'll cost several hundred to get the ceramic coating, but everytime I screw up a cut it's alot less expensive.

But I also used stock headers so that took away from the cost.
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