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Old 09-05-2012, 10:02 PM   #4051
i2cou4u2
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Quote:
Originally Posted by mrxr250rider
sometimes i think people take tunes too serious. a wideband would be a great thing to have. aslong as your not risking blowing it up a retune isnt needed and prob wont help much unless your changing something drastic.

also i would try to find a good flowing quiet exhaust. my greddy evo 2 is great. flows better than my autospeed twin tip did and its quieter!
I have a wideband and at WOT my AFRs are for 10.3 to 10.6. I Am more concerned with it knocking than I am running rich or lean. The last tune I got was for Cali 91 oct. and I am now in an are that has 92 oct available. It made 270 whp with 260lbs of torque on a DynoCom dyno with a correction factor of .80. Do you think I could make more power reliably? It has an intake, 3-port EBCS, and 3" turbo back exhaust.

Tom
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Last edited by i2cou4u2; 09-05-2012 at 10:10 PM.
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Old 09-06-2012, 09:19 AM   #4052
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if your not already at 21psi then a retune for more boost and higher octane may help. 270-280 seems normal for what you have done.
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Old 09-06-2012, 10:16 AM   #4053
i2cou4u2
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Quote:
Originally Posted by mrxr250rider
if your not already at 21psi then a retune for more boost and higher octane may help. 270-280 seems normal for what you have done.
It is tuned for 18psi. Would a cat in the exhaust system kill power?
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Old 09-06-2012, 10:17 AM   #4054
WhiteBgeye02
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yes it would^
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Old 09-06-2012, 10:19 AM   #4055
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Quote:
Originally Posted by WhiteBgeye02
yes it would^
Would it kill the power a lot?

Last edited by i2cou4u2; 09-06-2012 at 10:45 AM.
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Old 09-06-2012, 10:58 AM   #4056
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I would go with a highflow cat if possible since your in ca unless u can get away with catless. Its about a 10whp difference at most between catted and catless. I would def do some more mods and get tuned for 21psi.
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Old 09-06-2012, 12:27 PM   #4057
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While we're on the subject of exhausts... is the JDM v8 axleback section same as USDM ones... only the downpipe and midpipes are of different lenghts? My swap will come with an JDM length aftermarket DP, so I was wondering if I can make it fit by just extending the midpipe of my Autospeed 3" unit. Thanks for any input fellaz!
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Old 09-06-2012, 02:14 PM   #4058
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Quote:
Originally Posted by Clark Turner View Post
No.. You can use the EJ205 belt, lower pulleys and tensioner. The Top intake cam sprockets are special and need to be the correct JDM part.

Rallispec can get you the gaskets. Not sure on the Guides..I think they are the EJ205 parts. I would order the cosworth belt guide while you are at it. Its cheap and solves the problem.

Clark
ok it's that time now...

I like buying OEM parts rather than the "gates" kit due to the paper gaskets and I like seeing subaru boxes... LOL. if I can save money though... might buy gates kit since I know the water pump is supplied by gates anyway.

what size is my version 7 oil pump? is it the standard size or do I need the larger one?

I know this doesn't matter but can I purchase new engine code stickers and the japanese writing on it... yes LOL. it matters (to me anyway LOL)

I can purchased the cosworth timing belt guide.. .are they the same for the ej20 and the ej25? should be just making sure.

the cover belt guides... do they need replacing.. maybe the question is should i replace them since i'm there?
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Old 09-06-2012, 02:21 PM   #4059
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Ej207 V7 rocker cover gaskets : ( screw rallispec, too expensive )

part #

13272AA075 GSKT-ROCKER COVERLH
13270AA152 GSKT-ROCKER COVERRH

OEM subaru part, bought at dealer for 9.84 $, got em discounted for 6.38 $ each.

Perfect fit.
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Old 09-06-2012, 02:27 PM   #4060
iNfEk
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I purchased the covers and spark plug gaskets from ebay already in subaru bags. just waiting for them.

thanks for the part numbers... those are the same ones that I purchased.

13270AA152, 13272AA075, 13293AA051

rallispec is quite expensive.

I need the timing belt part numbers... I have them somewhere. just don't know where I put them LOL

EDIT: found my list of part numbers from my EJ205 wondering if they're the same:

Quote:
Originally Posted by http://www.i-club.com/forums/hawaii-43/oem-part-number-thread-167496/#post1929162
A/C BELT - 73323AC000
ALTERNATOR BELT - 809218270
TIMING BELT - 13028AA200
AUTOMATIC TENSIONER - 13033AA002
IDLER #1 - 13073AA180 <superseded to 13073AA142 per Subaru>
IDLER #2 - 13073AA142
IDLER #3 - 13073AA200
CRANKSHAFT SPROCKET - 13021AA141
CYLINDER BLOCK SEAL - 10991AA000
OIL PUMP SEAL - 806733030
WATER PUMP GASKET - 21114AA050
WATER PUMP - 21111AA026
THERMOSTAT - 21200AA072
THERMOSTAT GASKET - 21236AA010
OIL COOLER HOSES - 807611031 (3)
WATER PUMP HOSES - 807615182 / 807612011
TGV SENSOR RH (TURBO SIDE) - 22633AA210 (if you damaged your TGV sensor while installing an up pipe or are getting a repeated CEL of P01088/P01090/P01091 you can use Peatys information: http://www.scoobymods.com/forums/showthread.php?t=5160) FYI: this is a PITA to install when it is on the turbo side of the engine.


FUEL FILTER (ENGINE BAY): 42072PA010 (PAOIO is on the box)
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Old 09-06-2012, 02:29 PM   #4061
Torquey
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This is the cheapest I've seen the Gates Racing Belt kit : eBay link , the only thing I got from the dealership was the waterpump gasket, as the gates one is supposedly not as good. I got my valve cover and spark plug gasket set from ebay too... i believe the seller is also a NASIOC vendor (Djsubaru ?)

Also another alternative to the Cosworth belt guide is the Tomei one, which is definitely cheaper... i ordered one from Rallysportdirect.
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Old 09-06-2012, 02:32 PM   #4062
WRick
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timing belt 2.0L (EJ205/207)

13028AA240
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Old 09-06-2012, 03:03 PM   #4063
iNfEk
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Quote:
Originally Posted by WRick View Post
timing belt 2.0L (EJ205/207)

13028AA240
thanks, I believe the part number I posted earlier 13028AA200 was superseded by the one you posted of 13028AA240. 4th revision I believe.

Thanks
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Old 09-06-2012, 03:03 PM   #4064
iNfEk
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Quote:
Originally Posted by Torquey View Post
This is the cheapest I've seen the Gates Racing Belt kit : eBay link , the only thing I got from the dealership was the waterpump gasket, as the gates one is supposedly not as good. I got my valve cover and spark plug gasket set from ebay too... i believe the seller is also a NASIOC vendor (Djsubaru ?)

Also another alternative to the Cosworth belt guide is the Tomei one, which is definitely cheaper... i ordered one from Rallysportdirect.
true, the tomei one is made for the EJ207 vs the cosworth one which maybe made for the ej257

thanks for the link... it is super cheap! however...the shipping is $125 to me =\

I think I'll order from rallysportdirect cause I'm going to buy the tomei guide too

EDIT: maybe not since they only offer the gates racing kit (including water pump) for 2005 2.0L vs the regular timing belt kit with water pump for the wrx/sti

what changed in 2005 to make it not compatible with the 2002 WRX?

CRAP!

maybe I'll just order the EJ205 gates regular kit and OEM metal gasket for the water pump that way I won't have an issue... does anyone know if the bearings that are used in the gates kits are of same quality. I read somewhere that it's single bearing vs dual bearing? grr

Last edited by iNfEk; 09-06-2012 at 03:24 PM.
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Old 09-06-2012, 03:33 PM   #4065
fastnoypi
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Quote:
Originally Posted by iNfEk View Post

what changed in 2005 to make it not compatible with the 2002 WRX?

CRAP!
most likely the catalog says its not compatible because the 02 wrx had a shorter bolt for the idler pulley. The newer redesigned pulley works but you need the longer bolt.
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Old 09-06-2012, 03:42 PM   #4066
iNfEk
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Quote:
Originally Posted by fastnoypi

most likely the catalog says its not compatible because the 02 wrx had a shorter bolt for the idler pulley. The newer redesigned pulley works but you need the longer bolt.
I found the "gates racing timing belt kit w/water pump Subaru WRX 200-2003" on rally sport direct now for $363.69 vs $307.82 for the regular.

If its the bolt... Couldn't I use the bolt from the old tensioner?

The weird thing is that the one that fits the 05-07 WRX and 04-07 STI in the racing version is about $10 cheaper. Why? LOL must be more than a bolt though.

Quality of parts for sure. Lol.

Last edited by iNfEk; 09-06-2012 at 03:56 PM.
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Old 09-06-2012, 04:34 PM   #4067
Concillian
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Quote:
Originally Posted by i2cou4u2 View Post
Would it kill the power a lot?
Factory cat will kill some, aftermarket / 3" high flow won't drop much power at this level of flow.
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Old 09-06-2012, 04:56 PM   #4068
fastnoypi
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Quote:
Originally Posted by iNfEk View Post
I found the "gates racing timing belt kit w/water pump Subaru WRX 200-2003" on rally sport direct now for $363.69 vs $307.82 for the regular.

If its the bolt... Couldn't I use the bolt from the old tensioner?

The weird thing is that the one that fits the 05-07 WRX and 04-07 STI in the racing version is about $10 cheaper. Why? LOL must be more than a bolt though.

Quality of parts for sure. Lol.

its not the tensioner pulley, its the smooth idler pulley that is to the upper right of the tensioner that usually seizes up IIRC. When i re did my belt i used the 04 STi bolt part 800708460, according to opposedforces.

There is a thread somewhere here that shows the physical differences. One member just took the original bolt to his local ace hardware, found a longer bolt and cut it to size.
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Old 09-06-2012, 05:00 PM   #4069
iNfEk
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according to rallysportdirect the difference between the two kits are the quality of parts being offered.

let me look for that thread

EDIT: searched and found it: http://forums.nasioc.com/forums/show....php?t=1218848
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Old 09-06-2012, 05:01 PM   #4070
Zaider
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Yeah, i just went and found a Grade 8 bolt that was long enough and used that. Otherwise you're left with about 2-3 threads.
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Old 09-06-2012, 05:13 PM   #4071
iNfEk
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i'm getting confused here... the bolt that we are referring to is the belt tensioner bolt for the pulley that sits on the right side of the auto belt tensioner. this is affecting which kits?

if I purchase the kit for a 2002-2003 WRX that should suffice? - normal size bolt?

I thought this only applied to the "STI" kit that only fits 2.0L 05-07 WRX and 04-07 STI - longer bolt required?

Last edited by iNfEk; 09-06-2012 at 06:04 PM.
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Old 09-06-2012, 07:23 PM   #4072
Torquey
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This is the one I ordered plus the Tomei guide and Grimmspeed crank pulley removal tool. According to the thread, most of the knowledgable people recommended getting the STi kit. Will be installing it in next Monday/ Tuesday.

http://www.rallysportdirect.com/Gate...t-w-Water-Pump
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Old 09-06-2012, 07:32 PM   #4073
iNfEk
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Quote:
Originally Posted by Torquey
This is the one I ordered plus the Tomei guide and Grimmspeed crank pulley removal tool. According to the thread, most of the knowledgable people recommended getting the STi kit. Will be installing it in next Monday/ Tuesday.

http://www.rallysportdirect.com/Gate...t-w-Water-Pump
Right. Why would the "STI" version be cheaper than the WRX one for our year specifically. What was the reason they recommended it?

TCKWP328RB - STI
TCKWP328ARB - WRX (02-03)
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Old 09-07-2012, 09:41 AM   #4074
fastnoypi
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Quote:
Originally Posted by iNfEk View Post
i'm getting confused here... the bolt that we are referring to is the belt tensioner bolt for the pulley that sits on the right side of the auto belt tensioner. this is affecting which kits?

if I purchase the kit for a 2002-2003 WRX that should suffice? - normal size bolt?

I thought this only applied to the "STI" kit that only fits 2.0L 05-07 WRX and 04-07 STI - longer bolt required?
the bolt refered to is for component A,


To simplify, just look for timing components for an 04 Sti. The timing component part numbers superceed the earlier designs. The belts for the wrx vs Sti are physically the same but manufacturers may suggest the Sti specified belts are built with stronger materials. The Gates Blue racing series is the strongest one out there.
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Old 09-07-2012, 12:15 PM   #4075
iNfEk
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Quote:
Originally Posted by fastnoypi

the bolt refered to is for component A,

To simplify, just look for timing components for an 04 Sti. The timing component part numbers superceed the earlier designs. The belts for the wrx vs Sti are physically the same but manufacturers may suggest the Sti specified belts are built with stronger materials. The Gates Blue racing series is the strongest one out there.
Thanks. I understand. If I get the STI (cheaper kit) this will have the stronger components even if the WRX one is slightly more expensive and has the same or similar belt? I'd rather not deal with a bolt issue when I'm in the middle of timing my engine you know?
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