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ok im getting ready for a 16v hybrid..... there is a hc1 the intercooled one that i can get rebuilt for $150. the turbine is a stock v-band how do these turbos control boost is it an external wastegate.......


thanks alot, wes
 

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The H1C is the stock turbo for my 92 D250. The exhaust turbine housing is HUGE! 21cm. That is why there is no internal gate, they will only make 25 - 30psi on a stock 1st gen cummins, thats a 5.9l. There are diesel places that sell smaller exhaust housings but for what they cost you could find a good working HE341 or HE351 (which I feel is a better fit for the 16v) on the cummins forum or craigslist. Holset also made a WH1C which is the same turbo with a 16cm or 18cm internally wastegated exhaust housing. With a little work the internal gate on the HE turbos will work if you port the wg hole in the housing. Here is a pic of one on my 8v soon to be on my 16v once I find a 16v head. Hope this helps.
 

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what did the turbo fit in again? not much room with a T04E and that one lol
 

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The HE341 is in my shadow. The inducer housing pretty much sits against the firewall.
I was thinking of having the outlet on my cast header angle cut to bring the compressor away from the firewall a bit.
 
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