View Full Version : New year same situation!
NATEHAWK
02-25-2009, 04:12 PM
This UPS lady just always for some reason drops off the darnedest things in front of my house and set them up so pretty lol...I guess I have to keep it all and install it in the car. I swear this is getting on my nerves. What will be next lol....:banana2:
Lol, how long till those are spinning at rediculous RPM's?
NATEHAWK
02-25-2009, 04:40 PM
Lol, how long till those are spinning at rediculous RPM's?
Real soon my friend real soon....hopefully in 2 weeks at the track.
justbob
02-25-2009, 04:44 PM
What a crime!
Actually what do you think our neighbors think when we sort out our auto parts on the stoop and shoot pics? LOL The best would be of a UPS hottie to model with the parts!
Real soon my friend real soon....hopefully in 2 weeks at the track.
Word, you doing the swap outs yourself? And if so, you going to take pics for us looky loos to looky at?
ImpalaSlayer
02-25-2009, 05:24 PM
niice nate. if i hear those snap im running
NATEHAWK
02-25-2009, 05:24 PM
A buddy of mine will be doing it for me. I do most of my own work but I'm not familar and never done a rearend build up. 31 spline ford axles, 31 spline Detroit truetrac all new bearings and seals with my same 4.10 gears.....:banana2:
I hope you didn't purchase synthetic gear oil?
I hope you didn't purchase synthetic gear oil?
What will it do? Educate us non-rear end changer outers.
Here is the response from Eaton:
We recommend that you use any good mineral based multi-weight gear oil. Synthetics are not recommended. While many people have used synthetics in Truetracs without issue, there have been times that synthetics have caused the unit to be very noisy. Additionally, many of our resellers do not recommend synthetics for high performance applications. In fact, most will void their warranty if synthetics are used.
Friction modifier should not be used in a Truetrac as it has no benefit. As for Moly additives, these products are similar to synthetic gear oils and should be avoided with the Truetrac."
John Nero
02-25-2009, 06:28 PM
A buddy of mine will be doing it for me. I do most of my own work but I'm not familar and never done a rearend build up. 31 spline ford axles, 31 spline Detroit truetrac all new bearings and seals with my same 4.10 gears.....:banana2:
watch the true trac you can brake them-ask me $1700.00 later
Here is the response from Eaton:
We recommend that you use any good mineral based multi-weight gear oil. Synthetics are not recommended. While many people have used synthetics in Truetracs without issue, there have been times that synthetics have caused the unit to be very noisy. Additionally, many of our resellers do not recommend synthetics for high performance applications. In fact, most will void their warranty if synthetics are used.
Friction modifier should not be used in a Truetrac as it has no benefit. As for Moly additives, these products are similar to synthetic gear oils and should be avoided with the Truetrac."
Hmph, I have learned something today. :bows:
larryo340
02-25-2009, 06:30 PM
This UPS lady just always for some reason drops off the darnedest things in front of my house and set them up so pretty lol...I guess I have to keep it all and install it in the car. I swear this is getting on my nerves. What will be next lol....:banana2:
Is your UPS lady as hot as mine ??
http://i299.photobucket.com/albums/mm288/larryo340/MISC%20PCIS/sexy_ups_girl.jpg
JAYSILVER04
02-25-2009, 06:46 PM
Is your UPS lady as hot as mine ??
http://i299.photobucket.com/albums/mm288/larryo340/MISC%20PCIS/sexy_ups_girl.jpg
she could handle my package anytime!
NATEHAWK
02-25-2009, 06:58 PM
Is your UPS lady as hot as mine ??
http://i299.photobucket.com/albums/mm288/larryo340/MISC%20PCIS/sexy_ups_girl.jpg
How did you get a pic of her lol......
NATEHAWK
02-25-2009, 06:59 PM
Here is the response from Eaton:
We recommend that you use any good mineral based multi-weight gear oil. Synthetics are not recommended. While many people have used synthetics in Truetracs without issue, there have been times that synthetics have caused the unit to be very noisy. Additionally, many of our resellers do not recommend synthetics for high performance applications. In fact, most will void their warranty if synthetics are used.
Friction modifier should not be used in a Truetrac as it has no benefit. As for Moly additives, these products are similar to synthetic gear oils and should be avoided with the Truetrac."
Thanks for the info I will take the royal purple back cause it comes with the friction modifier already in the gear oil. So what weight do you recommend? or eaton recommends?
Iowa Rick
02-25-2009, 07:07 PM
Please educate ME. I am considering a complete gutting and rebuild of my 300A's rear end. I am planning on Motorcraft 4.10 gears but don't know the ins and out of what is good, bad, ugly or recommended. Should I go Ford 31 spline axles and a 31 spline trutrac. What are the advantages/disadvantages of the different tyoe of limited slip rears. I had a 390 Cougar in 1968 that had a Detroit Locker with 3:25 gears. It would leave some nice and long dual black stripes. As I recall it was a little noisy in tight turns. Any adivce is appreciated. Sorry for the Hijack. Rick
larryo340
02-25-2009, 07:08 PM
How did you get a pic of her lol......
All you have to do is ask :D
Joe Walsh
02-25-2009, 07:15 PM
Mark,
I understand why no friction modifier is needed for a TrueTrac differential, as it has no clutches...
and I know that Eaton does not recommend synthetic lubes for the Eaton differential (HD clutch style differential)...
but did they say why you should NOT use a synthetic lube in a TrueTrac differential (torque sensing-worm gear style differential)???
I'm missing something here...I don't see how a worm gear style differential can be 'noisy'
I thought that 'noisy' differentials related to chattering clutch packs...:dunno:
Thanks for the info I will take the royal purple back cause it comes with the friction modifier already in the gear oil. So what weight do you recommend? or eaton recommends?
AMS Oil 75/90
Mobil 1 75w90
NATEHAWK
02-25-2009, 07:17 PM
Mark,
I understand why no friction modifier is needed for a TrueTrac differential, as it has no clutches...
and I know that Eaton does not recommend synthetic lubes for the Eaton differential (HD clutch style differential)...
but did they say why you should NOT use a synthetic lube in a TrueTrac differential (torque sensing-worm gear style differential)???
I'm missing something here...:dunno:
Yeah what he said?
Joe Walsh
02-25-2009, 07:17 PM
Please educate ME. I am considering a complete gutting and rebuild of my 300A's rear end. I am planning on Motorcraft 4.10 gears but don't know the ins and out of what is good, bad, ugly or recommended. Should I go Ford 31 spline axles and a 31 spline trutrac. What are the advantages/disadvantages of the different tyoe of limited slip rears. I had a 390 Cougar in 1968 that had a Detroit Locker with 3:25 gears. It would leave some nice and long dual black stripes. As I recall it was a little noisy in tight turns. Any adivce is appreciated. Sorry for the Hijack. Rick
Hi Rick,
There are multiple threads on this very subject...I would use the 'SEARCH' function and review them.
I started a similar thread to discuss my differential options last fall, and I ended up buying a Detroit TrueTrac.
Iowa Rick
02-25-2009, 07:21 PM
Did you use the Ford axles? How do you like the Detroit TrueTrac? I've done the search function. I'm looking for feedback from people who did the mod and was trying to get the "latest" feedback. Thanks Rick
Joe Walsh
02-25-2009, 07:24 PM
Did you use the Ford axles? How do you like the Detroit TrueTrac? I've done the search function. I'm looking for feedback from people who did the mod and was trying to get the "latest" feedback. Thanks Rick
I've got the Moser 31 spline axles.
'merc'/'Sherman'/'Blown3.8' can answer much better than I concerning the Ford axles and how well the TrueTracs hold up.
They have drag raced the heck out of their combos and run VERY stout ETs on this exact hardware!
NATEHAWK
02-25-2009, 07:25 PM
Well I have the Ford axles and im looking at them now. They are superior to the stockers. Go for it man..Fore what I understand Merc is running the ford ones like i just brought...
Local Boy
02-25-2009, 07:29 PM
Very Good discussion, guys...
This is interesting...as it is my next move...
ALOHA
Mark,
I understand why no friction modifier is needed for a TrueTrac differential, as it has no clutches...
and I know that Eaton does not recommend synthetic lubes for the Eaton differential (HD clutch style differential)...
but did they say why you should NOT use a synthetic lube in a TrueTrac differential (torque sensing-worm gear style differential)???
I'm missing something here...I don't see how a worm gear style differential can be 'noisy'
I thought that 'noisy' differentials related to chattering clutch packs...:dunno:
This thread is from another site but could offer some clues to the arguement between synthetic vs. non synthetic gear oil.
Update: I talked to Brent, a SALES guy from Eaton (Mfg. of TrueTrack). He told me that running synthetic gear oil could cause the binding that I am experiencing. He suggested changing out the oil.
Don't get me wrong, eaton truetrac's are not built proof. Before I got my gears a friend with a 03 cobra destroyed his gears. I was impressed because he replaced the broken eaton with an identical set. I have had 3 differential in my car. I like the truetrac the best. It's a reliable performer at the track. I never worry about the one wheel peal.
NATEHAWK
02-25-2009, 09:20 PM
Truetrac all the way
Blown3.8
02-25-2009, 09:45 PM
Nate's stocker diff. Ouchy!
http://i169.photobucket.com/albums/u216/blown38/natelocker.jpg
Tru trak 31 spline moser's and ford racing 4.10's holding up to...ahh lets say about 700 ft lbs of torque.:D
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Embassy
02-26-2009, 03:59 AM
Truetrac all the way
What he said.
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