Compression Ignition Addict
Join Date: Aug 2007
Location: New Martinsville, West Virginia
Thanked 54 Times in 52 Posts
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If it's holding a gear, and temps on your aftermarket gauge is below 200, you're fine. If it's shifting up/down alot, and temps are over 200, time to change something... lock out OD, slow down, something...
I have found that out on the open road, I don't have any temp issues... it's the local hills and back roads that take a toll on my trans... I can pull an empty 12' box trailer around these hills, and the trans gets to 220 quickly... loaded equipment trailer, 3 times the weight, and on open flat roads, will stay below 200 easy. Stop and go is hard on them too... anytime the tork converter isn't locked, and it's going thru the gears, the trans is creating heat. So, just drive smart, keep an eye on the trans gauge.
'99 E350 DRW Stahl 11' util box van, 7.3 PSD, stock. 138k SOLD
'00 F350 extcab, 9' utility bed, dually 228k
E'99 F250 extcab, S/Bed 211k. Sidelined due to motor issues.
'00 Excursion Limited, 7.3PSD 294k
'84 Chevy K-30, 6.2L TD, woods/trail beater. 141k