So....What Converter for 3.73s?!?!?!
Some of the ones I would consider are as follows:
SY3500 1.61 STR for street tires.
or maybe one of the new Yanks:
Converter Comparison: SS3600/3800 vs. Yank's 2 most popular converters
Stall Torque Ratio: The SS3600/3800 is higher than the ST3500 and YPT4000. For the SS3600 it is 2.50. For the SS 3800 it is 2.55. This will make the Super Stock converters feel tighter driving around town and will enhance drivability for cars running less gear (such as 2.73 and 3.23 gears). This will also hit the tires much harder at the starting line, a real plus for those running sticky tires.
Efficiency: The SS3600/3800 is within 1% of efficiency of the ST3500 and YPT4000 in the 5000+ rpm range and exceeds them both in the 2500-4500 range.
Shift extension: The SS3600 has 4700-4800 rpm shift extension. The SS3800 has 4900-5000 rpm shift extension. This compares to the ST3500 shift extension of 4800-4900 rpms and the YPT4000 of 5500-5600 rpms. Bottom line: for cars with less gear, smaller cams or power adders such as nitrous oxide, less shift extension can be better. For maximum ET and mph running naturally aspirated, choose a converter with more shift extension.
Mike told me if I were running 3.73's and dr's to get the SS3800 if not then the SY3500.
The Bandit......................
:cheers:


So you actually talked to Mike about the 3.73s, huh :D :cool:


....Mike Norris will be installing my new Getrag 3.73's this week with the 382 Stroker rebuild..Going to be a wicked combo!! :smash: :smash: I'm guessing I may have a traction problem.. :yesnod:


The Best of Corvette for Corvette Enthusiasts
I have the $$ now and will order my TC next week for sure. I already talked to the person I am ordering it from. I am leaning toward the SS3600 and runnign the 18' Nittos all the time. I have 8,300 miles on my car in 24 months so i think I can get away with it. However, the safe SY3500 with street tires keeps popping in my head. I am worried a non-dragster like me may be going over board? But I would rather have too much and not use it (ie. don't press the pedal to the floor), than want MORE and have no more floor to push the pedal to
I have driven the SY3500 a few times and though it is a great converter, it doesn't have the HIT I had hoped for. So many people love this TC though, so maybe I was crazy or maybe it was because I just drove the cars for a short period.
I am just going to order it and be happy with my decision. Worst Case would be I HATE teh TC and I have to take it out, sell it, and pay for another install. That is not fun, but it wouldn't be the end of the world. :jester
Good Luck MG!
Gary
The SY hits a lot softer, but has a higher efficiency than the ST3500 which hits much harder off the line, but the efficiency is a little less than the SY3500.
Again the key is the tires. you could run street Tires with an ST3500, but traction would be hard to get if you punched the gas pedal down hard, you would have to use some right foot constraint. Mitch C has the ST3500 and so did Gary Brown. Oh Ya, the ST3500 with a 2.4 STR or any high STR torque converter will increase driveability and make your car feel tighter than a lower str converter.


Does anyone have alink to the Yank website ?


The Yank Web-Site says this for the ST3500. Where are you getting 2.25?
C-5 SUPER THRUSTER 3500 (245mm high efficiency, hard hitting launch, 3500 stall, 2.40 STR) $895
Take Care :D


Stall Ratio 2.5
Street/Strip Converters:
FEATURES SUPER YANK 3500 9" SUPER THRUSTER PRO YANK 3400/3600E VIGILANTE 3200
SIZE 10.0" 9.5" 10.0" 9.5"
ACTUAL LS-1 STALL SPEED 3500 3600 3400/3600 3800
WEIGHT 33 31 34 31
CLUTCH SIZE 10.5" 9.5" 10.5" 9.0"
CLUTCH MATERIAL CARBON CERAMIC CARBON CERAMIC KEVLAR OEM PAPER TYPE
POSI LOCK-UP CLUTCH NO NO YES NO
6 BOLT MOUNTING LUGS NO NO YES NO
EFFICIENCY 97% 96% 97% 94%
STALL TORQUE RATIO 1.61 2.5 2.7/2.5 2.17
BILLET FRONT COVER YES YES YES YES
LIGHTWEIGHT BILLET COVER YES YES YES NO
FURNACED BRAZED YES YES YES YES
ANTI-BALLOON PLATES YES YES YES YES
OVERSIZE ROLLER CLUTCH YES YES YES NO
HIGH CAPACITY STATOR YES YES YES YES
ROLLER BURNISHED HUB YES YES YES NO
ELECTRONICALLY BALANCED YES YES YES YES
PRESSURE TESTED YES YES YES YES
TRANSFERABLE WARRANTY YES YES YES NO
EPOXY PAINT FINISH YES YES YES NO
[Modified by wallstAL, 10:01 AM 3/24/2003]









