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Turbo Sizeing

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Old 02-21-2005, 10:43 PM
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Default Turbo Sizeing

Hey Guys Whats the Smallest Turbo That Will Feed as 347 12-15psi or about 650-700rwhp?
Old 02-22-2005, 12:45 AM
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you might try a used stock buick turbo. Not sure about the hp it would make with your car. Or also you might look into a ta49 or te44 their both good turbos. good luck finding hat you need.
Old 02-22-2005, 12:46 AM
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Y do you want a small turbo? Spool up time?

http://www.forcedinductions.com/consumption346.htm
Old 02-22-2005, 05:49 AM
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for 700rwhp you could probably use a T66 turbo.
I would use a T76 just to make sure,

Last edited by smokinHawk; 02-22-2005 at 11:42 AM.
Old 02-22-2005, 10:49 AM
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I have all the Tables and Graphs For A 346. I'm really limited in space so i'm trying to get the smallest turbo possible under the hood that will reach my goals. I don't plan on breaking RWHP Records just wanting to mess with some supras and Cobras on the Freeway.
Old 02-22-2005, 02:32 PM
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pt76gts.
Old 02-22-2005, 06:48 PM
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do you have a link so that i can find the dimmensions of the pt76gts? I would hate to spend 1400 bucks and it not fit.

I'm getting ready to start the mock up faze of the design.
Old 02-22-2005, 06:54 PM
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i vote for t76 also

are you fabbing up your own kit?
Old 02-22-2005, 07:01 PM
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Externally T58 = T66 = T72 = T76 = T80

They all use the same compressor and turbine housings, so if you can fit a T66 you can fit a T76.
Old 02-23-2005, 06:03 AM
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Originally Posted by eviltwins
Externally T58 = T66 = T72 = T76 = T80

They all use the same compressor and turbine housings, so if you can fit a T66 you can fit a T76.
im not to sure thats entirely true different companies have different compresser cover sizes, i know my turbonetics small frame T76 was smaller then a precision T76gts

here is a picture of a few turbos on the right you see a PT88 and PT66, the PT88 has the same compressor cover as the PT76gts and you can tell the size difference between the covers for the 66 and 88
Old 02-23-2005, 09:20 AM
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Yes it will depend on the company ordered from. If ordered from PTE it can come with the smaller TO4S cover on the smaller units and the 72 and up it will use the larger TO4H cover.

Jose
Old 02-23-2005, 09:52 AM
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thats awesome thanks. Will the PT66 turbo feed a 346 to appx 700rwhp.

Hey Hawk Would it be possible for you to meassure both the PT88 and the pt66 and there widest/tallest/deepest dimensions.

Old 02-23-2005, 09:58 AM
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The PT66 will not make that much. It only flows ~72 lbs/min, or about 730 crank hp.

Jose
Old 02-23-2005, 10:44 AM
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Originally Posted by Juiced
Hey Hawk Would it be possible for you to meassure both the PT88 and the pt66 and there widest/tallest/deepest dimensions.

those are Jose's pictures, so i cant measure anything
you can call the turbo company and ask for dimensions, i tried once and they didnt give me exact dimensions though just estiments. (worthless sales rep)

for a second i thought the mustang guys have gotten 700rwhp with a 66, but i think i was wrong, so you ll probably have to do a 72mm or larger, but id still just use a 76mm



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