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new turbo setup? 382ci LT1 1 single turbo header

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Old Dec 4, 2007 | 01:11 PM
  #1  
dhirocz's Avatar
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From: Hinesville, GA USA
Car: '86 IROC-Z/'94 Z28
Engine: 350 LT1/382 LT1
Transmission: 4L60-E/T-56
Axle/Gears: 3.45/3.42 (soon 4.10)
new turbo setup? 382ci LT1 1 single turbo header

I got all the issues worked out of my LT1 swap and now I've been considering a turbo swap. Reason is, right now I'm running a stock bottom end 350 LT1...I'm putting in a 382 ci LT1 (3.8"x4.0") with a cc305 and I have a hooker LT on the drivers side that refuses to seal well...

I was thinking since my accessories are all on the passenger side I could just replace the drivers header with a turbo header and run the exhaust under the pan along the factory routing...the turbo in a intercooler and out into the TB. I have the space and the tools to do it fairly cheap... and RIGHT.

Problem is I have never done the turbo side of engines before... so as far as they go I dont really know exactly which to get. Mostly because only 4 cylinder would be feeding the turbo, so I cant go too big, but its a stroker, so I dont want to go too small either.

What do you guys think? I was thinking a T-70. It's a 382ci LT1 with a accel conversion intake base and ported SLP runners...

I was also going to have the passenger LT header modified on the end so it bent 45 degrees toward the outside, so I could have both pipes follow the factory routing and not mess up ground clearance.
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Old Dec 4, 2007 | 11:56 PM
  #2  
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From: garage
Engine: 3xx ci tubo
Transmission: 4L60E & 4L80E
Re: new turbo setup? 382ci LT1 1 single turbo header

Don't run the turbine off of 4 cyls. Make a cross over pipe so that 8 cyls feed the turbine. www.mcmaster-carr.com has the elbows you need.
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Old Dec 5, 2007 | 12:14 AM
  #3  
xpndbl3's Avatar
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: new turbo setup? 382ci LT1 1 single turbo header

you can't run only 4 cylinders on a turbo.....
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Old Dec 5, 2007 | 06:36 AM
  #4  
dhirocz's Avatar
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Posts: 938
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From: Hinesville, GA USA
Car: '86 IROC-Z/'94 Z28
Engine: 350 LT1/382 LT1
Transmission: 4L60-E/T-56
Axle/Gears: 3.45/3.42 (soon 4.10)
Re: new turbo setup? 382ci LT1 1 single turbo header

Seen it done. Some guy has one on here running tens off of one turbo manifold. Dont ask me... thats why I was asking lol
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Old Dec 5, 2007 | 11:53 PM
  #5  
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From: garage
Engine: 3xx ci tubo
Transmission: 4L60E & 4L80E
Re: new turbo setup? 382ci LT1 1 single turbo header

Originally Posted by dhirocz
Seen it done. Some guy has one on here running tens off of one turbo manifold. Dont ask me... thats why I was asking lol

It may be possible but extremely unlikely. You probably didn't see the cross over pipe on the single setup. Who is the "some guy"?

Anyway, install a cross over pipe for the other 4 cyls.
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