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-   -   is this a dumb idea - altering SSIs (http://forums.pelicanparts.com/porsche-911-technical-forum/290696-dumb-idea-altering-ssis.html)

twobone 06-28-2006 06:06 AM
is this a dumb idea - altering SSIs
 
To get my thick flange SSIs on to my new 79' motor, my mechanic will need to grind off the exhaust port guide that inserts into the engine.

I'm trying to avoid selling these and buying thin flange versions

RoninLB 06-28-2006 06:44 AM
Why not install long studs?

The top of the ssi tube is a sleeve that gets inserted should fit?

I use thic flange SC SSI w/the O2 bung.

twobone 06-28-2006 07:07 AM
Thanks Ronin,

My mechanic had thought that the sleeve would not fit. I feel better about just going with longer studs now that you tell me the SSIs don't need to be altered.

Mike

safe 06-28-2006 07:38 AM
Please, educate me!
What years uses thick or thin flanges?

jorian 06-28-2006 07:47 AM
IIRC pre-1980 cars use thin flange. Later cars use the thick flange.

Kroggers 06-28-2006 09:26 AM
Quote:
Originally posted by jorian
IIRC pre-1980 cars use thin flange. Later cars use the thick flange.
Good info tho have - registered to thread for future ref :D

RoninLB 06-28-2006 11:40 AM
Quote:
Originally posted by twobone


My mechanic had thought that the sleeve would not fit. I feel better about just going with longer studs now that you tell me the SSIs don't need to be altered.
you can confirm all this with SSI web site or give them a call in Calif.


full name

Stainless Systems, Inc
20 Pamaron Way
Novato, Ca 94949

twobone 06-28-2006 11:45 AM
I can't find their web site - do you have it?

RoninLB 06-28-2006 11:56 AM
Quote:
Originally posted by twobone
I can't find their web site - do you have it?




415-883-2000


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