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Mark VIII trans replace/upgrades

eglade
August 23rd, 2008, 10:35 AM
My Mark has begun eating the trans. When leaving from a stop in drive, it grinds and hesitates as if the the brake caliper is hanging up.
It only does it leaving from a stop and at low speed (parking lot crawl). It drove fine on the freeway and started exhibiting symptoms on the street. I just parked it to limit further damage.
I am considering just buying another trans outright (if anyone knows of a supplier) but would like to have a few mods done while it is out to increase reliability.
Any recommendations? My Mark is a 97 non-LSC with no motor mods. Would the LSC trans be a better upgrade than a straight Mark VIII?
Thanks for your help.
Eddie

k9t8m
August 23rd, 2008, 10:43 AM
All mark viii transmissions are the same, no difference on the LSC. If you are going to upgrade, buy a 98+ trans because it already has the updated components. If you would like more performance do some searching on the "J-Mod". I think there are a couple places out there that do sell new 4r70w transmissions, but you will be spending an arm and a leg.

bryantaylor
August 23rd, 2008, 12:16 PM
t45

m_maker
August 23rd, 2008, 01:05 PM
screw t45

t6060 all the way ....

eglade
August 23rd, 2008, 03:03 PM
is the 98 a straight swap? any electrical issues? Just came back from dealer and they quoted me $1900 for a new trans with a $600 core charge. More than I want to psend, but cheaper than I imagined given the price of other Mark related parts (cup holder, window seal, air bag). The dealer would be a last resort.

slowmkviii
August 23rd, 2008, 04:53 PM
dealer is ripping you off talk to a real tranny shop
you can go to car-part.com if you want used

bryantaylor
August 23rd, 2008, 05:01 PM
dealer is ripping you off talk to a real tranny shop
you can go to car-part.com if you want used

thats not too bad actually. i work at acura and our rebuilt trannies are a decent bit more. usually about $1500 for the trans and a $1200 core. our new trans are $3500 for JUST the trannie.

slowmkviii
August 23rd, 2008, 05:51 PM
ask Markviiiedrea he had his tranny full built for that much $1500 i think and its way better than stock

eglade
August 23rd, 2008, 07:39 PM
Cool, many thanks for the help. I'm pretty bummed with my Mark on the disabled list. So much going on in my life that the last thing I needed was a major malfunction on the Mark's part. But I figure it was inevitable, given the miles 154k and my driving habits. The Mark has been parked the majority of the time lately as I blast LA traffic daily on an 05 Softail. Still was nice knowing the Mark was always there if needed. Still got a 4spd vette under construction to drive in a pinch if the weather gets too ugly to navigate on 2 wheels.
Thanks again for the info.

bryantaylor
August 23rd, 2008, 10:56 PM
ask Markviiiedrea he had his tranny full built for that much $1500 i think and its way better than stock

not to bad at all. what did they do inside the trans? i have always heard of "built trans" but never any details.

k9t8m
August 23rd, 2008, 11:11 PM
http://www.blueovalchips.com/index.php?action=item&id=49&prevaction=category&previd=4&prevstart=0

slowmkviii
August 24th, 2008, 04:00 AM
not to bad at all. what did they do inside the trans? i have always heard of "built trans" but never any details.

you would have to pm him but he got all his parts from becontrols.com


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