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06-05-2012, 01:02 AM | #176 |
Scooby Specialist
Member#: 286211
Join Date: Jun 2011
Chapter/Region:
BAIC
Location: Sacramento, CA
Vehicle:2003 WRX 1993 Legacy SS |
An aftermarket clutch and/or lightweight flywheel will cause the car to stall or shudder if no gas is applied... Only leaving one option.
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06-05-2012, 01:57 AM | #177 | |
Scooby Newbie
Member#: 320309
Join Date: May 2012
Chapter/Region:
TXIC
Location: Houston
Vehicle:2004 WRX WRB |
Quote:
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06-05-2012, 10:16 AM | #178 | |
Scooby Specialist
Member#: 307359
Join Date: Jan 2012
Chapter/Region:
South East
Location: Atlanta,GA
Vehicle:'05 STi Stage II OBP |
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08-23-2012, 12:51 PM | #179 |
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Join Date: May 2012
Vehicle:2015 Impreza wrx STI Galaxy Blue Pearl |
Friend of mine actually had a hard time learning shifting, but I got him to read this post. great post
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08-25-2012, 03:01 PM | #180 |
Scooby Newbie
Member#: 329543
Join Date: Aug 2012
Chapter/Region:
South East
Location: NC
Vehicle:2003 WRX Wagon Sonic Yellow |
I live in the mountains where elevation changes drastically, is it "better" for the tranny/turbo/drivetrain to shift into 4th and stay out of boost but be higher up in RPMs or keep it in 5th, gas pedal mashed, and boosting?
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08-25-2012, 04:12 PM | #181 | |
Scooby Specialist
Member#: 307359
Join Date: Jan 2012
Chapter/Region:
South East
Location: Atlanta,GA
Vehicle:'05 STi Stage II OBP |
Quote:
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08-25-2012, 07:31 PM | #182 |
Scooby Specialist
Member#: 286211
Join Date: Jun 2011
Chapter/Region:
BAIC
Location: Sacramento, CA
Vehicle:2003 WRX 1993 Legacy SS |
Im not an authority on the matter but I do 4th with less boost. You could drive in the 3500-4k range all day with no issues.
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08-26-2012, 12:17 AM | #183 |
Scooby Specialist
Member#: 144848
Join Date: Mar 2007
Chapter/Region:
MWSOC
Location: Cincinnati, Ohio
Vehicle:05 WRX, 17 M2 01 S2K, 16 Fozzy Turbo |
I posed this question to a tuner, and the best answer I got (as well as from the other local shops posting) is that staying in lower RPM with higher boost is more efficient. Friction losses and all.
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08-26-2012, 06:42 PM | #184 |
Scooby Newbie
Member#: 329543
Join Date: Aug 2012
Chapter/Region:
South East
Location: NC
Vehicle:2003 WRX Wagon Sonic Yellow |
Well then, two different answers.. I think I'm using more gas being in 5th gear with the gas pedal pressed more than being in 4th using less gas.
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08-27-2012, 12:51 PM | #185 |
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Member#: 329543
Join Date: Aug 2012
Chapter/Region:
South East
Location: NC
Vehicle:2003 WRX Wagon Sonic Yellow |
Bump to top..any ideas??
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08-27-2012, 09:01 PM | #186 | |
Scooby Newbie
Member#: 330465
Join Date: Aug 2012
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Quote:
The proper way to let off the clutch for regular driving is not to rev up the engine (even to a modest 2000rpm) and let off the clutch, but to slowly give it gas as the clutch engages so the rpm come up smoothly. A perfect start in a standard is exactly as it would be in an auto, that is, just a smooth increase in rpm from idle to shift point. If you rev, then release the clutch pedal, you are increasing wear on the clutch. This is acceptable in some situations (like if one wants a faster launch), and is almost negligible if you're only modestly reving the engine, but why wear when you don't have to? |
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08-28-2012, 12:54 AM | #187 | |
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Member#: 233229
Join Date: Dec 2009
Vehicle:2007 sti wrb |
Quote:
I think its better on the engine to have the rpm's higher that to have higher boost. Going up a steep hill in 5th with the gas pushed further seems to me like its causing more stress on the engine from "struggling". Whereas going up a steep hill in 4th with the rpm higher makes the load on the engine a lot easier. |
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08-28-2012, 05:37 PM | #188 |
Scooby Newbie
Member#: 279396
Join Date: Apr 2011
Chapter/Region:
VIC
Location: Richmond, BC, Canada
Vehicle:2011 STI Sedan Rally Blue |
Some question about my 2011 STi. When shift and down shift sometimes I feel some friction when going into gears. it will go in, just not very smooth, feels like there's a bump on the way going into gear.
And when it's smooth, it will be smooth all drive long (most of the time). When it's not smooth, I can feel the bump (down shift even up shift), it will happen to maybe not every shift but probably around 60% of the shifts. As I stated, it will go into gear just doesn't feel smoothly kind feel like a bump in between or something blocking in the middle, and yes I always press clutch to the bottom. I think I heard some of my friends experiencing similar issue with their STis. I'm just wondering is this a common thing? Is it because of my driving habit or shift timing? |
08-28-2012, 06:18 PM | #189 | |
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Join Date: Aug 2012
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Quote:
You could be upshifting too slow or too fast, meaning your synchros have to do more work, hence the bump. When you downshift try rev matching. |
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11-23-2012, 01:42 AM | #190 |
Scooby Newbie
Member#: 338654
Join Date: Nov 2012
Location: Stanwood wash
Vehicle:1995 Legacy wagon Brown 2.2 Auto |
Awd Not Working
ANY INFO ON MY 1995 LEGACY AUTO AWD NOT WORKING WOULD BE GET!. YES THE FUSE IS REMOVE AND NO CODES. CAR HAS 161 ON IT. I HAVE READ YOU CAN REPLACE THE TRANSFER SOLENIOD AND TRANSFER CLUTCHS WITH JUST REMOVING THE TAIL SHAFT . AND MORE INFO WOULD BE GREAT!!!!!!!!
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12-05-2012, 12:41 AM | #191 |
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Member#: 339306
Join Date: Nov 2012
Chapter/Region:
SCIC
Location: Merced, C.A
Vehicle:2013 Wrx Hatch Silver |
Thank You!
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01-17-2013, 05:58 PM | #192 |
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How bad is it for the car if I over-rev when I rev-match or up-shift
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01-17-2013, 06:15 PM | #193 |
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Join Date: Nov 2010
Chapter/Region:
SCIC
Location: Westwood
Vehicle:12 WRX SWP |
I'm no expert but I would think all your damaging is the clutch. Can't imagine it's hurting synchros since your not shoving it into gear and dumping the clutch without rev matching. Flame me if I'm wrong but that's my best guess
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01-20-2013, 07:56 PM | #194 | |
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Member#: 144848
Join Date: Mar 2007
Chapter/Region:
MWSOC
Location: Cincinnati, Ohio
Vehicle:05 WRX, 17 M2 01 S2K, 16 Fozzy Turbo |
Quote:
Examples that might wear your syncros:
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02-05-2013, 05:19 AM | #195 |
Scooby Newbie
Member#: 317436
Join Date: Apr 2012
Chapter/Region:
SCIC
Location: California
Vehicle:2013 WRX Hatchback Ice Sliver |
Muscling into first gear
Unabomber is it normal for WRX's to be a little hard to put in first gear? I get it 30% of the time at a dead stop, other times is goes in like butter. I dont down shift in first but I do in every other gear (2-4). Will double clutching or rev matching help that?
I read your post every night for 1 hour before going to bed. Thank you for all you wonderful information. |
02-05-2013, 08:16 AM | #196 | |
Scooby Newbie
Member#: 167627
Join Date: Dec 2007
Chapter/Region:
MWSOC
Location: Wichita, KS
Vehicle:2011 WRX Ltd Hatch DGM |
Quote:
I've also noticed on my car that the gears are much more notchy and temperamental when it is cold outside and the car hasn't warmed up at all. |
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02-06-2013, 12:39 AM | #197 |
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When I down shift, I brake, depress the clutch, drop to the lower gear, rev match, and engage the lower gear in one smooth motion. It just feels right to me. Sounds like I shouldn't be doing that though.
Hitting that stiff, hard clutch twice seems inefficeint to me and tedious. What kind of problems am I setting myself up for doing it that way? If someone can explain to me how bad I am being maybe I'll change my ways . |
02-06-2013, 04:25 AM | #198 | |
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Member#: 337700
Join Date: Nov 2012
Location: Minnesota
Vehicle:2013 WRX Ice Silver Metallic |
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02-06-2013, 08:40 AM | #199 | |
Scooby Newbie
Member#: 167627
Join Date: Dec 2007
Chapter/Region:
MWSOC
Location: Wichita, KS
Vehicle:2011 WRX Ltd Hatch DGM |
Quote:
With that said, if you're currently only rev-matching, you are unlikely to be creating any problems down the road. Double-clutching is just something that many find fun to master when enjoying the experience of a manual transmission. |
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02-06-2013, 07:44 PM | #200 |
Scooby Newbie
Member#: 317436
Join Date: Apr 2012
Chapter/Region:
SCIC
Location: California
Vehicle:2013 WRX Hatchback Ice Sliver |
Awesome! Thanx for the quick reply!
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