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06-26-2018, 11:30 AM | #1 |
Scooby Newbie
Member#: 487561
Join Date: Jun 2018
Vehicle:MY16 WRX STI WR Pearl Blue |
Difference between Spec C and Spec C Type RA!
Hello!
I've cannot find if there is any mechanical or ''Drivetrain" difference between a 2004 WRX STI Spec C and 2004 WRX STI Spec C Type RA? Bacause i need to order some drivetrain parts for a 04 RA and i can't find any RA parts, only Spec C!! Dose the RA have only weight reduction over the standart Spec C or what? Can anyone correct me? Thanks!
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06-26-2018, 12:31 PM | #2 |
Scooby Specialist
Member#: 68284
Join Date: Aug 2004
Chapter/Region:
NWIC
Location: Constant confusion
Vehicle:2017 Backout Rally America Blue |
Isn't it only a different center diff and a different steering ratio? And a bunch of bits they left off for weight / parasitic loss?
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06-26-2018, 02:12 PM | #3 |
Scooby Newbie
Member#: 487561
Join Date: Jun 2018
Vehicle:MY16 WRX STI WR Pearl Blue |
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06-26-2018, 02:21 PM | #4 | |
Scooby Newbie
Member#: 487561
Join Date: Jun 2018
Vehicle:MY16 WRX STI WR Pearl Blue |
Quote:
Spec c= lightweight version with lighter AC unit thinner glass Aluminium rear boot lid reinforced strut towers with additional spot welds throughout the body and has a roller bearing version of the twinscroll turbo 12 litre intercooler water spray tang in the boot engine and transmission coolers . Spec c type RA= has all the above plus all the STI catalogue suspension parts Thicker STI anti roll bars front and back STI lateral link arms STI rose joints STI dampers STI springs and a nice set of lightweight aluminium alloy But both of these models have the same enginr and gearbox codes! I will need parts for a RA and i can’t find any, only regular Spec C ones. Of corse some do match in both cars but some don’t and i can’t find them!! |
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06-26-2018, 02:38 PM | #5 |
Scooby Specialist
Member#: 385256
Join Date: Mar 2014
Chapter/Region:
NESIC
Vehicle:'18 Giulia QV '21 Giulia Q4 |
I always thought it went more like this
S203- Balanced Engine internals and upgraded turbo Spec C- Lightened Chassis and upgraded suspension RA-R- S203 Motor + Spec C Chassis & Suspension Assuming they made the RA-R in blob eye what face-lift do you have? blob-eye or hawk-eye? what part do you need? |
06-26-2018, 03:08 PM | #6 | |
Scooby Newbie
Member#: 487561
Join Date: Jun 2018
Vehicle:MY16 WRX STI WR Pearl Blue |
Quote:
I need a restored or somewhat new rear diff, maybe the even the whole gearbox, and some other stuff! (Also looking for a quick rack like the Rev-Lab one to convert it to LHD and to get some extra performance, but that’s another story) Can’t find any of these parts for the RA only for the Spec C! The Engine and Transmision codes match, but i’m not 100% sure! |
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06-26-2018, 08:19 PM | #7 | |
Scooby Specialist
Member#: 68284
Join Date: Aug 2004
Chapter/Region:
NWIC
Location: Constant confusion
Vehicle:2017 Backout Rally America Blue |
Quote:
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06-26-2018, 08:40 PM | #8 |
Scooby Specialist
Member#: 245787
Join Date: May 2010
Chapter/Region:
W. Canada
Location: Canada
Vehicle:GD Race Car |
if you have the car now, what does the code on the transmission say? there should be a number you can read and match it to the tranny charts that are floating around. that would be your best bet.
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06-27-2018, 12:46 AM | #9 | |
Scooby Newbie
Member#: 487561
Join Date: Jun 2018
Vehicle:MY16 WRX STI WR Pearl Blue |
Quote:
The diff(RA one!) had some upgrades over the sti(Standard STI!) as the transmision with lover gearing.. i think! |
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06-27-2018, 12:55 AM | #10 | |
Scooby Newbie
Member#: 487561
Join Date: Jun 2018
Vehicle:MY16 WRX STI WR Pearl Blue |
Quote:
But i’ve serched the internet and found that.... http://www.spec-c.com/what-model-is-my-impreza/ WRX STi Spec C GDBE4FH TY856WB6JA EJ207DW7ER 280 6 speed WRX STi Spec C Type RA GDBE4FH TY856WB6JA EJ207DW7ER 280 6 speed The TY856WB6JA Is the gearbox code, and EJ207DW7ER The engine code!!! |
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06-29-2018, 12:11 PM | #11 |
Scooby Specialist
Member#: 385256
Join Date: Mar 2014
Chapter/Region:
NESIC
Vehicle:'18 Giulia QV '21 Giulia Q4 |
https://www.rallispec.com/downloads/...art_Public.pdf
going off of this the parts should be the same. |
07-09-2018, 07:50 AM | #12 | |
Scooby Newbie
Member#: 487561
Join Date: Jun 2018
Vehicle:MY16 WRX STI WR Pearl Blue |
Quote:
Thanks for the help! Cheers! |
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