Anyone have any experience with Synthetic Trans. fliud??
#1
08-21-2001, 01:47 PM
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08-21-2001, 03:03 PM
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08-21-2001, 03:19 PM
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jury's still out
Some folks have opted to switch to synthetic. One of them races every weekend and drives it daily with no problems. I'll let him identify himself though. 
Unless your planning on having the ENTIRE tranny flushed, stick with Mercon III as identified in the manual.
DO NOT mix synthetic and regular Mercon III.
Just my .02.
Either way, swap to a pan with a drain plug.
Unless your planning on having the ENTIRE tranny flushed, stick with Mercon III as identified in the manual.
DO NOT mix synthetic and regular Mercon III.
Just my .02.
Either way, swap to a pan with a drain plug.
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08-21-2001, 03:21 PM
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#5
08-21-2001, 03:29 PM
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Drain the bell and fill up with MERCRON V which is semi-synthetic. No one runs their L harder than me and it runs greatttttttttt!!!! I changed at 25K, got 47K now runs like new, races every Friday nite. Won First place in Street Stock 2 out of the last 3 weeks.
noelvm
noelvm
Last edited by noelvm; 09-27-2001 at 09:51 PM.
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08-21-2001, 04:00 PM
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08-21-2001, 07:27 PM
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i switched to amsoil synthetic ATF at 3000 miles, i had the pump done and here are some things to consider
it only does 85% of the fluid
when the tech put the hoses on, and started pumping, the hose sucking out the old fluid popped off and sprayed my entire motor, and front of the truck with hot *** ATF, some even got on me in the waiting area, talk about sucking ***, i got a ride home and told them to call me when my truck was spotless, the did, i went back to get it, the didnt charge me the 80 bucks and offered to pay for a complete detail enen though they already spent 3 hours cleaning it, so i did that a week later, so the dirt could stick to the oily parts, and now you cant even tell it happened, all in all i would have rather paid
it only does 85% of the fluid
when the tech put the hoses on, and started pumping, the hose sucking out the old fluid popped off and sprayed my entire motor, and front of the truck with hot *** ATF, some even got on me in the waiting area, talk about sucking ***, i got a ride home and told them to call me when my truck was spotless, the did, i went back to get it, the didnt charge me the 80 bucks and offered to pay for a complete detail enen though they already spent 3 hours cleaning it, so i did that a week later, so the dirt could stick to the oily parts, and now you cant even tell it happened, all in all i would have rather paid
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08-21-2001, 07:36 PM
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Originally posted by L-MATT
i switched to amsoil synthetic ATF at 3000 miles, i had the pump done and here are some things to consider
it only does 85% of the fluid
i switched to amsoil synthetic ATF at 3000 miles, i had the pump done and here are some things to consider
it only does 85% of the fluid
Remember, they do not stock the "good" stuff, so you will have to go buy your own synthetic ATF. Some may do that now, though. The only 2 manufacturers that I'd trust on the shelf is Mobil 1 and Syntec.
BfB
#11
08-21-2001, 09:32 PM
Sorry noelvm, don't mean to step on your toes OK. Peace.
LIGHTNINROD, Don't use Mercon V in your Lightning. It is not the correct ATF fluid for the 99, 00, and 01 L's.
The Lightning requires Mercon ATF fluid. Look in your Lightning owners supplement. It tells you that Mercon and Mercon V are not interchangable and should not be mixed. It also says explicitly that the Lightning requires Mercon (not Mercon V, they are not the same thing) ATF fluid.
You can use Mobil 1 ATF or another synthetic ATF fluid that is ok to use in Ford Mercon applications. The data sheet for Mobil 1 ATF says: Outperforms conventional multipurpose ATF fluids Superior GM Dexron® III, Mercon® performance in all domestic and imported cars and most automatic truck transmissions
I know noelvm uses Mercon V without problems, but if the manual says not to use it, why take that chance. There is a reason that your Lightning manual says MERCON.
LIGHTNINROD, Don't use Mercon V in your Lightning. It is not the correct ATF fluid for the 99, 00, and 01 L's.
The Lightning requires Mercon ATF fluid. Look in your Lightning owners supplement. It tells you that Mercon and Mercon V are not interchangable and should not be mixed. It also says explicitly that the Lightning requires Mercon (not Mercon V, they are not the same thing) ATF fluid.
You can use Mobil 1 ATF or another synthetic ATF fluid that is ok to use in Ford Mercon applications. The data sheet for Mobil 1 ATF says: Outperforms conventional multipurpose ATF fluids Superior GM Dexron® III, Mercon® performance in all domestic and imported cars and most automatic truck transmissions
I know noelvm uses Mercon V without problems, but if the manual says not to use it, why take that chance. There is a reason that your Lightning manual says MERCON.
Last edited by mracer; 08-21-2001 at 09:35 PM.
#12
08-21-2001, 11:43 PM
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I do believe "Mercon" is old stuff and indeed cannot be mixed. Mercon three was used for newer electronic transmissions. (correct me if i am wrong on this one)
My owners manual specifically states Mercon 5 as i just did a shift kit and trans pan this weekend.I used Valvoline synthetic atf and should be fine.
Just a note.....the service manual states that when draining the torque convertor, you should discard the plug and install a new one.
Anthony
My owners manual specifically states Mercon 5 as i just did a shift kit and trans pan this weekend.I used Valvoline synthetic atf and should be fine.
Just a note.....the service manual states that when draining the torque convertor, you should discard the plug and install a new one.
Anthony
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08-22-2001, 12:10 AM
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#14
08-22-2001, 12:16 AM
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The label states :
DuraBlend® Dexron III®/Mercon®/Mercon V® Automatic Transmission Fluid
A premium quality synthetic blend automatic transmission fluid engineered to meet manufacturer`s warranty requirements for General Motors DEXRON III and Ford MERCON and MERCON V specifications. It is formulated to provide performance benefits over conventional type ATF fluids including:
Better flow properties for smooth shifting performance
Superior high and low temperature protection for extreme operating conditions
Superior oxidation protection (resists thickening at high temperatures)
Enhanced anti-shudder protection
DuraBlend ATF is compatible with conventional ATF fluids and is recommended for passenger and commercial vehicles requiring the following fluids/specifications:
General Motors DEXRON III, DEXRON III-G, DEXRON IIE and DEXRON
Ford MERCON and MERCON V
Meets Allison C-4 fluid specifications
DuraBlend® Dexron III®/Mercon®/Mercon V® Automatic Transmission Fluid
A premium quality synthetic blend automatic transmission fluid engineered to meet manufacturer`s warranty requirements for General Motors DEXRON III and Ford MERCON and MERCON V specifications. It is formulated to provide performance benefits over conventional type ATF fluids including:
Better flow properties for smooth shifting performance
Superior high and low temperature protection for extreme operating conditions
Superior oxidation protection (resists thickening at high temperatures)
Enhanced anti-shudder protection
DuraBlend ATF is compatible with conventional ATF fluids and is recommended for passenger and commercial vehicles requiring the following fluids/specifications:
General Motors DEXRON III, DEXRON III-G, DEXRON IIE and DEXRON
Ford MERCON and MERCON V
Meets Allison C-4 fluid specifications
#15
08-22-2001, 12:24 AM
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I've talked to someone who is intimately familiar with these transmissions and here's his explaination to why someone have found Mercon V fluid when they sent in tranny fluid to be analyzed:
"The correct fluid is Mercon. At the factory we use "H oil" which is a special break in oil not available commercially. At the factory, we also build the 4R70, which gets "B oil" the equivalent of H oil for Mercon V, and there is a tolerance for the two being mixed in the transfer system, (we get it by the railcar, and sometimes the two get cross contaminated). Anyhow, it is possible that some Mercon V could be in a 4R100, and up to the given spec that's okay, but the service fluid is definitely Mercon, and Mercon V should not be used."
"The correct fluid is Mercon. At the factory we use "H oil" which is a special break in oil not available commercially. At the factory, we also build the 4R70, which gets "B oil" the equivalent of H oil for Mercon V, and there is a tolerance for the two being mixed in the transfer system, (we get it by the railcar, and sometimes the two get cross contaminated). Anyhow, it is possible that some Mercon V could be in a 4R100, and up to the given spec that's okay, but the service fluid is definitely Mercon, and Mercon V should not be used."
I highly suggest reading that as it explains why not to use Mercon V.
BfB