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Old 10-24-2010, 09:47 PM   #1
emsbuff124
Scooby Specialist
 
Member#: 201972
Join Date: Feb 2009
Chapter/Region: Tri-State
Vehicle:
07 WRX TR
crystral grey

Default how far should i go???

ok so i have an 07 wrx with a
vf43 turbo
aps 65mm cai
aps hard inlet soon to be installed
tgvs deletes soon to be installed
sti intercooler
walbro 255 fuel pump
full 2.5inch turbo back
cp pistons
apr engine studs
tuned 288 whp
312 torque to the wheels

i was debating and wondering how far i should go with my motor i was thinking of connecting rods and crank shaft for it. i really dont know if im going to go to a big turbo or not but i like the idea of a solid block and good tune to have more breathing room
i know on the heads i cannot do the cams because it then can make it diffcult for DD which my car is
any input guys on what i should do or what company i should go to for the connecting rods and crank shaft
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Old 10-25-2010, 11:49 AM   #2
RicersWetDream
Scooby Specialist
 
Member#: 245581
Join Date: Apr 2010
Chapter/Region: MWSOC
Location: Marshall, MI
Vehicle:
2009 WRX
2014 Forester XT

Default

Unless you have a reason to tear into the engine I don't see much of a reason as to why you would want to tear into it again.

If you do a larger turbo, you've already taken the weak pistons out of the equation. I'm not really sure on differences between WRX and STi rods and cranks since they're both just EJ25 short blocks the only real difference between the two was the pistons having a slightly different dome on them for compression's sake.

CN, not worth it even if you max out the 43, maybe worth putting some h-beam or better rods in there if you go to a larger turbo and can push 400+ to the wheels.
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Old 10-25-2010, 04:16 PM   #3
emsbuff124
Scooby Specialist
 
Member#: 201972
Join Date: Feb 2009
Chapter/Region: Tri-State
Vehicle:
07 WRX TR
crystral grey

Default

hmmm good point, yeah i didnt know really how far i need to go i have a conservitive tune on it but i just wanted to have a really safe motor. On the other hand i know that building a motor with the wrong type of parts can cause problems i know people who put internals in ment for the track and not DD and they end up having more issues than stock motors
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