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Old 04-08-2009, 03:35 PM   #1 (permalink)
chevyinlinesix
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Twin Turbo on my 6.5

I told you I would do it... I just picked up all the 10 feet of 304 stainless steel pipe I will need to build my... oh wait, I haven't told you yet I'm dumping my exhaust manifolds, and building stainless steel headers for a twin turbo setup on my 6.5l diesel.

I drove to the supplier and ordered up all the 304 stainless steel 90's and 45's I should need, they cost around $130 CDN, and will be in tomorrow. I got the 10' of 304 stainless steel pipe for $100 CDN, prices were cheap because we have a place here that specializes in alloys. All piping is schedule 10S, and a secret size.

I still have to get the 304 stainless steel plate for the flanges, I'll probably just have the machine shop cut it out of some of their stock.

I'm going to buy another GM-8 turbocharger too, and another Turbo-Master as well. I'm going to try and set it up so that I can just order two 3" down pipes, and they will fit both sides, I don't know if it can be done, but I'll try.
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Old 04-08-2009, 04:02 PM   #2 (permalink)
chris4521
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let me be the first to say:

sweet.

keep us updated with the pics!!! lookin forward to this
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Old 04-08-2009, 04:11 PM   #3 (permalink)
chevyburnout1
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Sounds like a deivious plan in the making
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Old 04-08-2009, 04:30 PM   #4 (permalink)
Green Machine
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I have one thing to say....

Grrr....

I want haha. Except not the GM-8s
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Old 04-08-2009, 05:08 PM   #5 (permalink)
tookielee
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May breathe a little easier, but our turbos already put out
as much as a 6.5 can handle - I wouldn't go thru that much
trouble, but I'll enjoy watching
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Old 04-08-2009, 05:26 PM   #6 (permalink)
Woody35
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what are you going to do about fuel
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Old 04-08-2009, 05:28 PM   #7 (permalink)
dirtfarmer629
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Sounds great cant wait to see how it looks. I have similar plans in mind when i get out of school
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Old 04-08-2009, 05:48 PM   #8 (permalink)
GJF
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While this would be and awesome looking engine bay especially with your intake, the only way you could have this work with two GM-8 turbos would be to either rev the motor up to 5K+ which is what Heath does on their salf flat truck. But unfortunetly the motor would be lazy down low in comparision to a mild modded 6.5 now. The turbine sections of the GM turbos is too big for 190ci+ per side and will make for a slow boost up. I don't think an array of components for the BW/IHI turbos are available to make a hybrid.

But you could change to Garrett turbos and have two custom turbos built using a T3/T4 hybrid and have wicked low end response and be able to further the top end efficiency using well selected T4 compressor sections and keep the RPM's to a realistic level by running matched T3 turbine sections.
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Old 04-08-2009, 06:05 PM   #9 (permalink)
WhiteK2500
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Who cares what turbo's he starts with, turbos can always be swapped.
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Old 04-08-2009, 06:24 PM   #10 (permalink)
steveduhame
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can't wait to see this
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