6-speed gear oil crew: testimonies, give them to me
05-09-2009, 09:47 PM
#49
I noticed the 6-speed I put in my car shifted well. Now I'm going to tinker with fluids to see if it can improve more. First gear is useless with 3.90's. I skipped gears, as in started in second, then went to fourth; if in third, I would have shifted into fifth. Cut down on rowing through the gears. I didn't skip gears very often with the 5-speed.
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05-10-2009, 12:04 AM
#50
Tour de Franzia
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I noticed the 6-speed I put in my car shifted well. Now I'm going to tinker with fluids to see if it can improve more. First gear is useless with 3.90's. I skipped gears, as in started in second, then went to fourth; if in third, I would have shifted into fifth. Cut down on rowing through the gears. I didn't skip gears very often with the 5-speed.
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05-10-2009, 09:10 AM
#54
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6spd@4.1 FTL... I may be blowing my diff any time this or next year as it's already whining loudly at 40mph. Waiting for you to blow yours and looking forward to your endless discussions on final drive ratio's before you finally put one in 
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05-10-2009, 10:23 AM
#56
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I haven't put down a 300whp pull yet. However since i did the last 261/252 pull on the dynodynamics I've added COPs and the car started spinning the tires in 4th. Then, I leaned out to 11.5:1 on the top rpm range. Then, I fixed the gasket problem. I have no doubt that its putting down 300whp on a dynojet...if not I can always turn the boost up because I've had it at 19psi and the car wanted to skate on the highway in 4th.
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06-03-2009, 01:09 AM
#59
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06-03-2009, 01:13 AM
#60
For starters, here's a quick couple of things to check:
Bushing on the bottom of the shifter - any grooves or anything will cause it to bind and make it seem as if the synchros aren't happy.
Lower shift boot - when mine was falling apart is would bind on the top right side making 5th seem like there was a problem.
What fluid did you go with? Try the motorcraft fluid if you haven't.
Shifter orientation - make sure the dot is facing forward on the shift lever.
This is all basic **** that you already know, but I often times find myself over thinking stuff like this.
Bushing on the bottom of the shifter - any grooves or anything will cause it to bind and make it seem as if the synchros aren't happy.
Lower shift boot - when mine was falling apart is would bind on the top right side making 5th seem like there was a problem.
What fluid did you go with? Try the motorcraft fluid if you haven't.
Shifter orientation - make sure the dot is facing forward on the shift lever.
This is all basic **** that you already know, but I often times find myself over thinking stuff like this.
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