3rd gen Engine/Drivetrain Engine/Drivetrain Modification Discussions for 1999-2003 Models Only (BJ chassis)

When racing I almost always grind into second

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Old May-10th-2002, 11:20 AM
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Thanks for the explanation
Now I just have to find a shop in Toronto that sells Motul fluids. (Or I suppose I could go with Redline too)...

I'll probably wait until my next service (10,000 K?) to switch Mobil1 into the engine, but I might make the switch for clutch/brake and tranny before then.
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Old May-22nd-2002, 12:05 AM
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I would wait until 10,000 miles before putting synthetic in your engine. And I wouldn't really wait 7500 miles between engine oil changes, no matter what they say.

I ground into second almost all the time after my 700-mile or whatever break in (when I could drive it harder) . It seems to be smoothing out now, but having the disengagement point right on the floor IS kinda weird...

Last edited by motorhead16v4; May-22nd-2002 at 12:08 AM.
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Old May-22nd-2002, 10:29 PM
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ive noted my clutch slipping when disengaging the clutch, is it because I need to give more gas and match revs better, or is it a problem with the car. It might even be my driving sometimes.

some days I shift better than others.
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Old May-24th-2002, 10:09 AM
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1. The hydraulic fluid for the clutch is the same DOT 3 or 4 fluid found in the brake system. Motul or ATE offer higher DRY boiling points, but are probably overkill for the clutch system. Highly recommended for the brakes though.

2. Synthetic gear oil can go into your transmission at any time.

3. Double clutching will reduce the life of your throw out bearing, which could lead to a clutch replacement sooner than normal. A synthetic fluid would be the better solution for easier engagements because it has no drawbacks and many advantages.
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Old May-24th-2002, 01:12 PM
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3. Double clutching will reduce the life of your throw out bearing, which could lead to a clutch replacement sooner than normal. A synthetic fluid would be the better solution for easier engagements because it has no drawbacks and many advantages.
The reason for double-clutching is to match engine and tranny revs during high-rpm downshifts. This is done because the synchros can't match that type of rev differential. A synthetic lubricant won't help in that situation. It's not a matter of lubrication. It's a matter of gears being able to mesh.

-Jerry
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Old May-24th-2002, 01:30 PM
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Originally posted by TheMAN
Putting Motul 600 into the clutch system won't be overkill for our cars because the clutch cylinder shares the same reservoir as the brake system. Therefore, when you bleed the (clutch) system, you bleed the brakes at the same time to avoid contaminants.
I didn't realize that, I am more familiar with Nissan's, which have seperate reservoirs.
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Old May-24th-2002, 01:36 PM
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Originally posted by jstand6


The reason for double-clutching is to match engine and tranny revs during high-rpm downshifts. This is done because the synchros can't match that type of rev differential. A synthetic lubricant won't help in that situation. It's not a matter of lubrication. It's a matter of gears being able to mesh.

-Jerry
In order to rev-match during the high rpm downshifts, why not heal and toe instead? Put the clutch in and blip the the throttle with the side of your right foot to raise rpm while sliding the lever into the desired gear, THEN release the clutch. You can rev-match and eliminate the extra wear on the throwout bearing. I use the technique in a 5 speed Maxima that is driven on roadcourses and autocrossed and it works great, especially since that transmission is is really meant for a normal sedan and not exactly what I would call smooth.
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Old May-24th-2002, 04:33 PM
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Oh and our trannys have a synchronized reverse gear.
Really? When did they change that? My '99 certainly doesn't have it!

-Jerry
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