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Tech Forum : homemade turbo setup ,please help me

- BMW E21 Community
   - Tech Forum
      - homemade turbo setup ,please help me
  Posted Thursday, Apr 14th 4:51am [Edit] [Quote] [IMS] [View car]

Post nr. 66


Hey guys I have been looking in to making a custom turbo setup for my 1.8L m10.What I want to do is look for any old turbo in good condition from somthing like an old subaru and instaling it in my car.I will have to make a custom exaust manifold or if it's posible to flip the stock one upside down and adapting it to fit. also all the pluming to the intercooler and throttle body. I was wondering if anyone knows how much boost a stock 1.8L could safely take and if the CIS system would adapt to it. I dont know too much about turbos but im doing my research and could use alot of help.
thanks in advance

Chris

  Posted Thursday, Apr 14th 6:05am [Edit] [Quote] [IMS] [View car]

Post nr. 99


About the custom setup I can't help, the turbo I installed was in a kit with the exhaust manifold, intake, and plumbing. As for boost, for a short time I ran about 9 psi and the air/fuel ratio was still fat. This was sans intercooler and she was pulling strong! Until the hose blew off the throttle body.I I have it sat at 6 psi until I get some highr quality hose and clamps, and I have an intercooler in the works as well. From what I understand, the stock k-jet can support 180 horsepower if you can get enough air to the cylinders. Hope this helps!
--Dennis

  Posted Thursday, Apr 14th 8:34am [Edit] [Quote] [IMS] [View car]

Post nr. 344


assuming you use up the headroom with the stock CIS system there's always volvo CIS components to play with.

jamie

  Posted Thursday, Apr 14th 5:01pm [Edit] [Quote] [IMS] [View car]

Post nr. 539


I would make one from some mandrel bent header pipe and some metal plate if you have a welder and a plasma cutter. An intercooler from a Saab 900 works well as well as the turbo.

  Posted Thursday, Apr 14th 5:07pm [Edit] [Quote] [IMS] [View car]

Post nr. 1218


Later Saab Garretts have water cooling ports. There are also pre made flanges for these turbos if you decide on welding a tubular one together.

  Posted Thursday, Dec 21st 9:48am [Edit] [Quote] [IMS] [View car]

Post nr. 1


82bmw320i wrote:
Hey guys I have been looking in to making a custom turbo setup for my 1.8L m10.What I want to do is look for any old turbo in good condition from somthing like an old subaru and instaling it in my car.I will have to make a custom exaust manifold or if it's posible to flip the stock one upside down and adapting it to fit. also all the pluming to the intercooler and throttle body. I was wondering if anyone knows how much boost a stock 1.8L could safely take and if the CIS system would adapt to it. I dont know too much about turbos but im doing my research and could use alot of help.
thanks in advance

Chris
i made my own manifold and used a turbo of a volvo 760 it works well


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