# Different SR T25s? **URL:** \ **Category:** SON240sx Automotive\ **Created:** [November 3, 2005, 8:35pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990 "2005-11-03T20:35:24Z")\ **Posts on this page:** 11\ **Page:** 1
**Author:** ![Ed1](https://avatars.discourse-cdn.com/v4/letter/e/958977/32.png) [@Ed1](https://forums.speedlife.net/u/Ed1)\ **Post date:** [November 3, 2005, 8:35pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/1 "2005-11-03T20:35:24Z")
hello… I have a problem with turbos. and their bolt pattern on the exhaust side… which conects to the 02 sensor pipe on the stock T2 on my 200sx. it’s a 4 bolt patter with the lower side 2 studs are closer together… now a T25 from an SR has 5 studs/holes… basically 5 places to bolt up now… I have this “T25” turbo, apparently from an SR aswell , but it has a 4 bolt patter like the T2 but the lower 2 studs are further apart… problem for me b/c I have an 02 pip that fits a 5 bolt t25 and a t25 that doens’t fit ty ed * * * ---
**Author:** ![BAS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/bas/32/5540_2.png) [@BAS](https://forums.speedlife.net/u/BAS)\ **Post date:** [November 3, 2005, 8:53pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/2 "2005-11-03T20:53:12Z")
Do a bit of research!! thier are ~5 different garrett T2/25 sizes … not including the Nissan, GM & european variants… ---
**Author:** ![Ed1](https://avatars.discourse-cdn.com/v4/letter/e/958977/32.png) [@Ed1](https://forums.speedlife.net/u/Ed1)\ **Post date:** [November 3, 2005, 9:03pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/3 "2005-11-03T21:03:50Z")
well the owner said it came off of “A JDM T25 turbo off of an S13 silvia” which is why I’m somewhat confused… could it be from a ca18det? ---
**Author:** ![dip](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dip/32/5479_2.png) [@dip](https://forums.speedlife.net/u/dip)\ **Post date:** [November 3, 2005, 9:04pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/4 "2005-11-03T21:04:16Z")
sounds like the 4 bolt DSM stock t25, a tiny little thing ---
**Author:** ![Ed1](https://avatars.discourse-cdn.com/v4/letter/e/958977/32.png) [@Ed1](https://forums.speedlife.net/u/Ed1)\ **Post date:** [November 3, 2005, 9:05pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/5 "2005-11-03T21:05:59Z")
arn’t DSM turbo T3 flanged? ---
**Author:** ![dip](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dip/32/5479_2.png) [@dip](https://forums.speedlife.net/u/dip)\ **Post date:** [November 3, 2005, 10:30pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/6 "2005-11-03T22:30:06Z")
not as far as i know? maybe ---
**Author:** ![Axlerod](https://avatars.discourse-cdn.com/v4/letter/a/8edcca/32.png) [@Axlerod](https://forums.speedlife.net/u/Axlerod)\ **Post date:** [November 4, 2005, 8:45am UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/7 "2005-11-04T08:45:36Z")
No, they’re not. You can tell the DSM turbo because of the attached inlet pipe. If it helps, the CA T25 is 4 bolt, and as far as I know, all the SR T25s were 5 bolt. ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/2X/b/b7170c8eddc0b95ece6b88172b2f416a08489a45.png) [@system](https://forums.speedlife.net/u/system)\ **Post date:** [November 4, 2005, 12:03pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/8 "2005-11-04T12:03:37Z")
Ok sounds like you have a ca t25. One bolt is slightly shifted over compared to the sr t25 Does it say .48ar anywhere on it? pix please. ---
**Author:** ![Jesse](https://avatars.discourse-cdn.com/v4/letter/j/c77e96/32.png) [@Jesse](https://forums.speedlife.net/u/Jesse)\ **Post date:** [November 4, 2005, 8:33pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/9 "2005-11-04T20:33:30Z")
ca and sr t25 flanges are the same. ca turbines are .48 ar while sr turbines are .64ar and .80 ar. water lines are also different between ca and sr t25. get a pic if you want the best answer ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex034/uploads/speedlife/original/2X/b/b7170c8eddc0b95ece6b88172b2f416a08489a45.png) [@system](https://forums.speedlife.net/u/system)\ **Post date:** [November 4, 2005, 9:45pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/10 "2005-11-04T21:45:19Z")
No they are not jesse. The ca turbo to turbo-extension almost fits exactly, but one bolt is maybe 1/2" off in one direction. When I upgraded turbos to a t28 I had to enlarge one of the holes on the stock ca downpipe it would fit. ---
**Author:** ![Jedi\_Car\_Fan](https://avatars.discourse-cdn.com/v4/letter/j/b9e5f3/32.png) [@Jedi\_Car\_Fan](https://forums.speedlife.net/u/Jedi_Car_Fan)\ **Post date:** [November 8, 2005, 5:04pm UTC](https://forums.speedlife.net/t/different-sr-t25s/89990/11 "2005-11-08T17:04:05Z")
SR20DET OEM turbo Specs S13 T-25 60 trim 56mm BCI-1 compressor 53.8mm 62 trim T-25 turbine, .64 A/R turbine housing. Journal bearings. S14 T-28 60 trim 60 mm BCI-1 compressor in T-04B housing, 62 trim 53.8mm T-25 turbine. .64 A/R turbine housing. Ball bearing center section. S15 T-28 60 trim 60 mm BCI-1 compressor in T-04B housing, 62 trim 53.8mm Inco turbine .64 A/R turbine housing. Ball bearing center section. \*cast divider wall between turbine discharge and wastegate. GTi-R T-28 60 trim 60 mm BCI-1 compressor in standard T-3 housing. 79 trim 53.8mm Inco T-250 turbine wheel .86 A/R turbine housing. Journal bearings.