Where did all the Borg Warner EFRs go?
#63
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Yank, I also wrote to Raffi and asked about the rumors and "bad batch" and if there has been any design changes. He told me the same thing about the break-in procedure when installing it. As long as you follow it, you should be fine.
Bryce, you have 12 months of service or 100K miles or 18 months from shipment date, whichever occurs first.
Bryce, you have 12 months of service or 100K miles or 18 months from shipment date, whichever occurs first.
#64
I have no idea why he'd say that other than the shaft wearing in. I heat treat metals at work.. keeping it hot actually anneals it. Heat treating works by cooling it at a specific rate in a specific density fluid or with some steels in vacuum (for very long time). A2 for example has to be cooled from the correct temp for few hours otherwise it backfires and gets softer.
#66
My friend Jeff has done some extensive dyno testing of the BW v. the Garrett turbos. not on a miata, but good info.
http://blog.perrinperformance.com/?p=254
http://blog.perrinperformance.com/?p=254
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