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View Full Version : Does a Holset H1C need a restrictor?


StryfeS13
03-22-2011, 11:31 PM
Does a Holset H1C need a restrictor with a -4 feed? I've heard it doesn't, and I've heard it does, so which one is it? :mepoke:

I've heard when they come stock on the trucks, there is no restrictor. I've also heard on the DSM forums that you must use a .060 restrictor. So I'm not really sure what to think or do.

I'm running my oil feed like this:

ATP T3 1/8TH NPT Inlet:

Aluminum - Oil Inlet Flange (T3) : atpturbo.com (http://www.atpturbo.com/mm5/merchant.mvc?Screen=PROD&Store_Code=tp&Product_Code=ATP-FLA-008&Category_Code=ATP-FTG1)

EARL'S Performance 1/8TH NPT to -4

Earl s Performance 916104ERL - Earl's Performance AN to NPT Adapter Fittings - Overview - SummitRacing.com (http://www.summitracing.com/parts/EAR-916104ERL/?rtype=10)

Z1Motorsports KA-T -4 Feed Kit

Z1 KA-T turbo oil feed line kit (http://www.z1motorsports.com/240sx/product_info.php?products_id=4387&osCsid=cf6286cdef840063ae33d3feda79931e)

StryfeS13
03-24-2011, 08:05 PM
Anyone know?

karl wasabi
03-24-2011, 09:23 PM
I have a Holset HX35 and I'm planning on using a restrictor when I install it. I know lots of the DSM guys are using restrictors, so I will too.

bardabe
03-24-2011, 09:35 PM
yup .060" to be exact

03-24-2011, 09:53 PM
yupp. ebay has one off a volvo or something. thats what i put on mine but my engine isnt running yet

AS240
03-27-2011, 07:02 PM
dsm guys run restrictors because they run 100+ psi of oil pressure.
i personally wouldn't but that's just my opinion.
if it gets burned up, oh well, theyre like 100 bucks to rebuild lol