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Old 10-28-2018, 07:14 PM   #1
RustyPanda

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Holset/Cat compound turbos

Hey guys I am hoping to get some help from the turbo gurus of compd. So currently I have a ve 12 valve with h1c 12cm waste gated turbine housing . Drilled through divider. Injectors undecided . Just recently I picked up a Caterpillar turbo for twins with specs as follows

Compressor: 69mm small side and 94 mm large side 0.87 A/R

Turbine: 82mm large side 76 mm small side 1.28 A/R

Can't seem to find any number associated with the turbine housing side . Here are some pictures

Only real number stamped into the turbine housing is F2A33 . If the housing is 33cm^2 that would be atrociously large from my understanding. Side note the housing is also waste gated which is nice .

So assuming the housing is somewhat of a reasonable size what is everyone's opinion as to using it for compounds .

Thanks in advance guys Click the image to open in full size.Click the image to open in full size.Click the image to open in full size.Click the image to open in full size.Click the image to open in full size.

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Old 10-28-2018, 10:05 PM   #2
bracker8040

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Looks like, sounds like, a stub shaft GTA42. If it is, that would be a pretty decent turbo for a small set of compounds.
 
Old 10-28-2018, 11:36 PM   #3
RustyPanda

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Sorry I just realized that last picture is awfully blurry the part number is 329-9987

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Old 10-29-2018, 06:32 AM   #4
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I second, GTA4294 from an Acert.

Zach Faylor can tell you all about it.
I have one also I can't seem to sell.

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Old 10-29-2018, 07:36 AM   #5
zfaylor
 
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It will not be worth your while. Won't flow near what other gta42 turbochargers will, it will spool much slower with the heavy titanium compressor and it is a complete oddball on all of the flanges. You will have to have custom flanges made or make some for every part of it. The icing on the cake is that is a ball bearing unit. They are unreliable and expensive to replace. I just don't see any value in messing with it.
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Old 10-29-2018, 10:26 AM   #6
RustyPanda

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I have a plasma table so flanges aren't a problem . No shaft play but needs new oil seals so I will give Cat a call

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Old 10-29-2018, 10:55 AM   #7
zfaylor
 
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It is ball bearing. You wont find "oil seals" for it. CAT is the last place that will sell you parts for it and a new CHRA will be upwards of $1500 from most dealers.
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Old 10-29-2018, 06:14 PM   #8
RustyPanda

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@zfaylor you were totally wrong I phoned my local finning dealer and the nice parts guy told me i could buy every individual part in the turbo it just comes pre assembled for the low low price of roughly 6000 dollars haha

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