changing the exhaust housing on a sc61 from .63a/r to .48a/r
06-23-2005, 08:56 AM
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changing the exhaust housing on a sc61 from .63a/r to .48a/r
i was thinking about changing the exhaust housing from .63a/r to .48a/r. so i can get a faster spool on my stock ls motor. if i do this will i need to also change out the turbine wheel on the exhaust side? and does anyone know where i can get a brand new exhaust housing and maybe the turbine wheel if i need it?
06-23-2005, 09:17 AM
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Re: changing the exhaust housing on a sc61 from .63a/r to .48a/r (h-tman)
Yes U have to change the turbine too because it is physically smaller which also means it will need to be rebalnced, why not do headwork, bigger exhuast?
06-23-2005, 09:44 AM
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Re: changing the exhaust housing on a sc61 from .63a/r to .48a/r (Boostage)
The turbine wheel doesn't need to be changed if all you're changing is the exhaust housing. Just make sure you order one for the Stage 5 wheel like you have on your SC61.
06-23-2005, 10:56 AM
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Re: changing the exhaust housing on a sc61 from .63a/r to .48a/r (Chip)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Chip »</TD></TR><TR><TD CLASS="quote">The turbine wheel doesn't need to be changed if all you're changing is the exhaust housing. Just make sure you order one for the Stage 5 wheel like you have on your SC61.</TD></TR></TABLE> 
I did this, good ****!!!
Trim and stage wheel is what matters when switching housings.
I did this, good ****!!!
Trim and stage wheel is what matters when switching housings.
06-23-2005, 03:02 PM
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Re: changing the exhaust housing on a sc61 from .63a/r to .48a/r (mike1114)
I want to try upgrading my turbine housing too but without upgrading my turbine fan. Aside from trial-and-error, how can I find out what trim/stage wheel I have?
I have a Precision T3/T4E. When I ordered the kit I specifically asked for a hotside with a 0.63 a/r which it has. And I also asked for a stg 3 wheel, but I dont know if I got that or not so I'm not sure if I have it or not. All I know about my current turbine housing is it has a 2.5" outlet.
can I measure the diameter of the turbine fan or something?
I have a Precision T3/T4E. When I ordered the kit I specifically asked for a hotside with a 0.63 a/r which it has. And I also asked for a stg 3 wheel, but I dont know if I got that or not so I'm not sure if I have it or not. All I know about my current turbine housing is it has a 2.5" outlet.
can I measure the diameter of the turbine fan or something?
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