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Author
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Topic: gear oil, brake fluid?
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AbominableSnoman...
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Member # 8290
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posted
 
 
Doing my 5 lug conversion tom, I've been reading a lot on the conversion, but I can't seem to get a straight up answer when it comes to .... How much gear oil do I need? What brand and what weight? Also how much brake fluid? What brand, and what weight? Its a 5lug conversion, with disc brakes all around. Sn95 parts, and fox length axles. Pls any info or recommendations will help.
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"I aint no crip, but i bleed blue..."
Posts: 1348 | From: Bay Area | Registered: Mar 2008
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Ty
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Member # 4920
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posted
i used 3 quarts of 75w90 richmond synthetic...its what they sent me for my gears with the install kit havent had any problems yet. and its DOT 3 brake fluid and just look in your resevoir to see how much you need
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DRIVE FAST TAKE CHANCES
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90 gt nothin special, just your average bolt ons...OUT TO PASTURE
69 fastback project car
Posts: 1400 | From: vallejo | Registered: Oct 2004
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SLOWSN95
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Member # 8269
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posted
I'm pretty sure that you dont want to use synthetic. I was advised NOT to use the synthetic and just go with Lucas' 75w-90 with a friction additive. And off the top of my head I think its 3.75 pints (1 8/9 qts). Just Have your car level and keep pumping fluid in till it starts pouring out the fill hole.
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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Ty
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Member # 4920
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posted
o yea i think your not supposed to use synthetic if you have the stock clutchs in your posi...i have a detroit locker TrueTrac so i can use synthetic
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DRIVE FAST TAKE CHANCES
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90 gt nothin special, just your average bolt ons...OUT TO PASTURE
69 fastback project car
Posts: 1400 | From: vallejo | Registered: Oct 2004
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SLOWSN95
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Member # 8269
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posted
quote:
Originally posted by Ty:
o yea i think your not supposed to use synthetic if you have the stock clutchs in your posi...i have a detroit locker TrueTrac so i can use synthetic
Yea I believe if you use synthetic with your basic stock trac loc it will actually damage the clutches if I'm not mistaken but I'm not a true blue expert lol. Just stick with your basic 75w-90, get the friction additive and you should be good to go ![[patriot]](graemlins/patriot.gif)
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94' GT
347 Stroker
MM Suspended
2003 SB SVT Lightning
Pullied and Lowered
89'Hatch-SOLD
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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JohnB
Tech Moderator
Member # 969
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posted
quote:
Originally posted by 1HaTCheD5LiTEr:
quote:
Originally posted by Ty:
o yea i think your not supposed to use synthetic if you have the stock clutchs in your posi...i have a detroit locker TrueTrac so i can use synthetic
Yea I believe if you use synthetic with your basic stock trac loc it will actually damage the clutches if I'm not mistaken but I'm not a true blue expert lol. Just stick with your basic 75w-90, get the friction additive and you should be good to go
Partially right. Ford calls for synthetic only on all models from 1999 and on. Synthetic won't harm the clutches at all. Also, from 1999 and on, 75w140 is recommended.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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SLOWSN95
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Member # 8269
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posted
quote:
Originally posted by JohnB:
quote:
Originally posted by 1HaTCheD5LiTEr:
quote:
Originally posted by Ty:
o yea i think your not supposed to use synthetic if you have the stock clutchs in your posi...i have a detroit locker TrueTrac so i can use synthetic
Yea I believe if you use synthetic with your basic stock trac loc it will actually damage the clutches if I'm not mistaken but I'm not a true blue expert lol. Just stick with your basic 75w-90, get the friction additive and you should be good to go
Partially right. Ford calls for synthetic only on all models from 1999 and on. Synthetic won't harm the clutches at all. Also, from 1999 and on, 75w140 is recommended.
I did not know that. Guess you learn something new everyday lol. I was told not to use synthetic on my 89' and that I should use basic gear oil with the friction additive. Was I told false information about the synthetic having a negative effect on the diff??
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94' GT
347 Stroker
MM Suspended
2003 SB SVT Lightning
Pullied and Lowered
89'Hatch-SOLD
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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JohnB
Tech Moderator
Member # 969
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posted
In the 15+ years I've built 8.8's and various other rear ends, I haven't ever seen synthetic cause problems other than leaking with old seals. Ford went to synthetic only in the 90's because of it's low wear properties, anti-foaming, and it's ability to dissipate heat faster.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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SLOWSN95
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Member # 8269
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posted
quote:
Originally posted by JohnB:
In the 15+ years I've built 8.8's and various other rear ends, I haven't ever seen synthetic cause problems other than leaking with old seals. Ford went to synthetic only in the 90's because of it's low wear properties, anti-foaming, and it's ability to dissipate heat faster.
Thanks JohnB, thats some good advice to know. Looks like I'll be using synthetic for now on haha. Thanks for chiming in!!
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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