[Diy_efi] This turbo assist stuff, suggestions

Matt Porritt porrittm at anet.co.nz
Wed Jan 1 06:00:38 GMT 2003


Ceramic wheels in the Garrett GTs? Maybe in some factory applications yes
(GTS25T etc) but the aftermarket stuff we use is all steel.
Ceramic tends to fall off with as little as 14psi on GTSTs etc (I quote the
boost pressure as the shaft speed I've not yet measured)
Looking at just over $1k us each.. Not too bad really.

You running a RB30ET Mike?
-- 
Matt Porritt
RC Race Cars and Supplies
ICQ #22776813


On 1/1/03 6:08 PM Mike wrote

>> Modern GT turbos can spool as low as 7psi @ 2200rpm on a 2l and produce over
>> 400hp.
> 
> Yeah maybe, cost a bit for my 3L and I dont ike the ceramic exhaust wheels,
> these have a habit of shattering if they go over speed or handle too
> large a boost spike.


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